/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:38:48,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:38:48,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:38:48,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:38:48,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:38:48,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:38:48,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:38:48,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:38:48,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:38:48,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:38:48,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:38:48,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:38:48,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:38:48,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:38:48,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:38:48,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:38:48,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:38:48,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:38:48,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:38:48,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:38:48,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:38:48,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:38:48,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:38:48,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:38:48,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:38:48,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:38:48,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:38:48,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:38:48,437 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 11:38:48,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:38:48,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:38:48,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:38:48,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:38:48,453 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:38:48,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:38:48,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:38:48,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:38:48,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:38:48,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:38:48,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:38:48,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:38:48,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:38:48,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:38:48,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:38:48,455 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:38:48,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:38:48,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:38:48,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:38:48,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:38:48,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:38:48,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:38:48,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:38:48,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:38:48,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:38:48,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:38:48,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:48,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:38:48,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:38:48,458 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 11:38:48,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:38:48,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:38:48,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:38:48,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:38:48,770 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:38:48,771 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 11:38:48,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1e9f917/aee6d97cf5ce4fc4ba4e571940c06d47/FLAGb5b4d0017 [2020-07-20 11:38:49,394 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:38:49,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 11:38:49,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1e9f917/aee6d97cf5ce4fc4ba4e571940c06d47/FLAGb5b4d0017 [2020-07-20 11:38:49,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1e9f917/aee6d97cf5ce4fc4ba4e571940c06d47 [2020-07-20 11:38:49,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:38:49,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:38:49,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:38:49,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:38:49,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:38:49,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:49" (1/1) ... [2020-07-20 11:38:49,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396faac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:49, skipping insertion in model container [2020-07-20 11:38:49,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:49" (1/1) ... [2020-07-20 11:38:49,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:38:49,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:38:50,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:38:50,231 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:38:50,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:38:50,361 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:38:50,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50 WrapperNode [2020-07-20 11:38:50,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:38:50,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:38:50,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:38:50,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:38:50,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (1/1) ... [2020-07-20 11:38:50,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:38:50,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:38:50,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:38:50,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:38:50,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (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 11:38:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:38:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:38:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:38:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:38:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:38:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:38:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:38:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:38:51,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:38:51,841 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:38:51,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:51 BoogieIcfgContainer [2020-07-20 11:38:51,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:38:51,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:38:51,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:38:51,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:38:51,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:38:49" (1/3) ... [2020-07-20 11:38:51,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435dee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:51, skipping insertion in model container [2020-07-20 11:38:51,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:50" (2/3) ... [2020-07-20 11:38:51,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435dee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:51, skipping insertion in model container [2020-07-20 11:38:51,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:51" (3/3) ... [2020-07-20 11:38:51,856 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-20 11:38:51,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:38:51,875 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:38:51,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:38:51,917 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:38:51,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:38:51,918 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:38:51,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:38:51,921 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:38:51,921 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:38:51,922 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:38:51,922 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:38:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 11:38:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-20 11:38:51,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:51,963 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] [2020-07-20 11:38:51,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:51,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:51,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-20 11:38:51,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:51,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797769639] [2020-07-20 11:38:51,977 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 11:38:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:52,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:38:52,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:52,140 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 11:38:52,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:38:52,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797769639] [2020-07-20 11:38:52,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:38:52,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:38:52,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244564415] [2020-07-20 11:38:52,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:38:52,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:52,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:38:52,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:38:52,167 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-20 11:38:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:38:53,219 INFO L93 Difference]: Finished difference Result 586 states and 1004 transitions. [2020-07-20 11:38:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:38:53,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-07-20 11:38:53,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:38:53,238 INFO L225 Difference]: With dead ends: 586 [2020-07-20 11:38:53,238 INFO L226 Difference]: Without dead ends: 294 [2020-07-20 11:38:53,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 11:38:53,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-20 11:38:53,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-20 11:38:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-20 11:38:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-20 11:38:53,328 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 41 [2020-07-20 11:38:53,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:38:53,329 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-20 11:38:53,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:38:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-20 11:38:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 11:38:53,336 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:53,336 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, 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] [2020-07-20 11:38:53,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:53,550 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:53,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-07-20 11:38:53,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:53,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289507134] [2020-07-20 11:38:53,553 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 11:38:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:53,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:38:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:53,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:38:53,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289507134] [2020-07-20 11:38:53,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:38:53,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:38:53,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637588848] [2020-07-20 11:38:53,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:38:53,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:53,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:38:53,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:38:53,683 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states. [2020-07-20 11:38:54,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:38:54,426 INFO L93 Difference]: Finished difference Result 868 states and 1337 transitions. [2020-07-20 11:38:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:38:54,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 11:38:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:38:54,434 INFO L225 Difference]: With dead ends: 868 [2020-07-20 11:38:54,435 INFO L226 Difference]: Without dead ends: 580 [2020-07-20 11:38:54,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 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 11:38:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-20 11:38:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2020-07-20 11:38:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-07-20 11:38:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions. [2020-07-20 11:38:54,472 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 111 [2020-07-20 11:38:54,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:38:54,473 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 802 transitions. [2020-07-20 11:38:54,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:38:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions. [2020-07-20 11:38:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 11:38:54,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:54,479 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, 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] [2020-07-20 11:38:54,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:54,695 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:54,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:54,696 INFO L82 PathProgramCache]: Analyzing trace with hash 884590309, now seen corresponding path program 1 times [2020-07-20 11:38:54,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:54,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2891940] [2020-07-20 11:38:54,698 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 11:38:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:54,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:38:54,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:54,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:38:54,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2891940] [2020-07-20 11:38:54,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:38:54,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:38:54,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017712364] [2020-07-20 11:38:54,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:38:54,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:54,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:38:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:38:54,830 INFO L87 Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 5 states. [2020-07-20 11:38:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:38:55,896 INFO L93 Difference]: Finished difference Result 1470 states and 2115 transitions. [2020-07-20 11:38:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:38:55,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-07-20 11:38:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:38:55,906 INFO L225 Difference]: With dead ends: 1470 [2020-07-20 11:38:55,907 INFO L226 Difference]: Without dead ends: 896 [2020-07-20 11:38:55,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:38:55,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-20 11:38:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 594. [2020-07-20 11:38:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-20 11:38:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 809 transitions. [2020-07-20 11:38:55,974 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 809 transitions. Word has length 122 [2020-07-20 11:38:55,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:38:55,975 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 809 transitions. [2020-07-20 11:38:55,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:38:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 809 transitions. [2020-07-20 11:38:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 11:38:55,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:55,991 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:38:56,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:56,199 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:56,200 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-20 11:38:56,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:56,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791979090] [2020-07-20 11:38:56,202 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 11:38:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:56,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:38:56,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:56,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:38:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:56,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791979090] [2020-07-20 11:38:56,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:38:56,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:38:56,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563048145] [2020-07-20 11:38:56,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:38:56,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:56,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:38:56,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:38:56,586 INFO L87 Difference]: Start difference. First operand 594 states and 809 transitions. Second operand 7 states. [2020-07-20 11:38:57,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:38:57,924 INFO L93 Difference]: Finished difference Result 1492 states and 2015 transitions. [2020-07-20 11:38:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 11:38:57,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-07-20 11:38:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:38:57,934 INFO L225 Difference]: With dead ends: 1492 [2020-07-20 11:38:57,935 INFO L226 Difference]: Without dead ends: 904 [2020-07-20 11:38:57,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-20 11:38:57,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-07-20 11:38:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 898. [2020-07-20 11:38:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-07-20 11:38:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1116 transitions. [2020-07-20 11:38:57,971 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1116 transitions. Word has length 193 [2020-07-20 11:38:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:38:57,973 INFO L479 AbstractCegarLoop]: Abstraction has 898 states and 1116 transitions. [2020-07-20 11:38:57,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:38:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1116 transitions. [2020-07-20 11:38:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 11:38:57,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:57,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:38:58,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:58,194 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:58,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:58,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-20 11:38:58,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:58,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487898024] [2020-07-20 11:38:58,195 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 11:38:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:58,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:38:58,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 11:38:58,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:38:58,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487898024] [2020-07-20 11:38:58,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:38:58,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:38:58,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767625918] [2020-07-20 11:38:58,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:38:58,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:38:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:38:58,340 INFO L87 Difference]: Start difference. First operand 898 states and 1116 transitions. Second operand 3 states. [2020-07-20 11:38:59,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:38:59,111 INFO L93 Difference]: Finished difference Result 2660 states and 3340 transitions. [2020-07-20 11:38:59,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:38:59,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-20 11:38:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:38:59,117 INFO L225 Difference]: With dead ends: 2660 [2020-07-20 11:38:59,117 INFO L226 Difference]: Without dead ends: 896 [2020-07-20 11:38:59,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 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 11:38:59,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-20 11:38:59,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2020-07-20 11:38:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-07-20 11:38:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1100 transitions. [2020-07-20 11:38:59,144 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1100 transitions. Word has length 210 [2020-07-20 11:38:59,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:38:59,145 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1100 transitions. [2020-07-20 11:38:59,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:38:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1100 transitions. [2020-07-20 11:38:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-20 11:38:59,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:38:59,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:38:59,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:38:59,357 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:38:59,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:38:59,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1943514195, now seen corresponding path program 1 times [2020-07-20 11:38:59,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:38:59,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617663121] [2020-07-20 11:38:59,360 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 11:38:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:38:59,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:38:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:38:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:59,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:38:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:38:59,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617663121] [2020-07-20 11:38:59,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:38:59,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 11:38:59,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534409568] [2020-07-20 11:38:59,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 11:38:59,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:38:59,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 11:38:59,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:38:59,652 INFO L87 Difference]: Start difference. First operand 896 states and 1100 transitions. Second operand 8 states. [2020-07-20 11:39:01,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:39:01,324 INFO L93 Difference]: Finished difference Result 2861 states and 3726 transitions. [2020-07-20 11:39:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 11:39:01,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-07-20 11:39:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:39:01,343 INFO L225 Difference]: With dead ends: 2861 [2020-07-20 11:39:01,343 INFO L226 Difference]: Without dead ends: 1369 [2020-07-20 11:39:01,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-20 11:39:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-07-20 11:39:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1343. [2020-07-20 11:39:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1343 states. [2020-07-20 11:39:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1622 transitions. [2020-07-20 11:39:01,401 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1622 transitions. Word has length 214 [2020-07-20 11:39:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:39:01,401 INFO L479 AbstractCegarLoop]: Abstraction has 1343 states and 1622 transitions. [2020-07-20 11:39:01,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 11:39:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1622 transitions. [2020-07-20 11:39:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-20 11:39:01,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:39:01,407 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:39:01,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:39:01,620 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:39:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:39:01,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-20 11:39:01,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:39:01,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228825904] [2020-07-20 11:39:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:39:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:39:01,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:39:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:39:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-20 11:39:01,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:39:01,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228825904] [2020-07-20 11:39:01,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:39:01,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:39:01,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731085885] [2020-07-20 11:39:01,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:39:01,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:39:01,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:39:01,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:39:01,767 INFO L87 Difference]: Start difference. First operand 1343 states and 1622 transitions. Second operand 3 states. [2020-07-20 11:39:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:39:02,108 INFO L93 Difference]: Finished difference Result 1343 states and 1622 transitions. [2020-07-20 11:39:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:39:02,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-20 11:39:02,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:39:02,109 INFO L225 Difference]: With dead ends: 1343 [2020-07-20 11:39:02,110 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:39:02,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 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 11:39:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:39:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:39:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:39:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:39:02,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-20 11:39:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:39:02,113 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:39:02,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:39:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:39:02,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:39:02,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:39:02,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:39:03,026 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-07-20 11:39:03,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:39:03,182 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-20 11:39:03,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:39:03,182 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 11:39:03,183 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 11:39:03,184 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,185 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 11:39:03,186 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,187 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 11:39:03,188 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,189 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 11:39:03,190 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 11:39:03,191 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 11:39:03,192 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,193 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 11:39:03,194 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,195 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 11:39:03,196 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,197 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 11:39:03,198 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 11:39:03,199 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 |old(~a10~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (<= 9 ~a19~0)) (.cse2 (<= 2 ~a10~0)) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (not (<= 23 |old(~a1~0)|))) (.cse7 (and .cse0 .cse1)) (.cse6 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 7)) (and .cse0 (<= ~a19~0 7))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a19~0)| 8)) .cse3) (or .cse4 (and .cse5 .cse0 .cse1) .cse6) (or (not (<= |old(~a10~0)| 0)) .cse7) (or (and .cse5 .cse0 .cse2 (< ~a19~0 10)) (not (< |old(~a19~0)| 10)) .cse4 .cse3) (or .cse8 (<= 23 ~a1~0) .cse6) (or .cse8 .cse7 .cse6)))) [2020-07-20 11:39:03,199 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 11:39:03,199 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 11:39:03,199 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 11:39:03,199 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,199 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 11:39:03,200 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 11:39:03,201 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,202 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 11:39:03,203 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 11:39:03,204 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 11:39:03,204 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 11:39:03,204 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 11:39:03,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:39:03,204 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= 23 ~a1~0) (< ~a19~0 10)) [2020-07-20 11:39:03,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:39:03,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:39:03,205 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= 23 ~a1~0) (< ~a19~0 10))) [2020-07-20 11:39:03,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 11:39:03,205 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 11:39:03,205 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 11:39:03,205 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 11:39:03,205 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2))) (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (< |old(~a19~0)| 10)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 2 ~a10~0) (< ~a19~0 10)) (and .cse0 (<= 23 ~a1~0)) (and (<= 9 ~a19~0) .cse0) (<= ~a19~0 7))) [2020-07-20 11:39:03,205 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 11:39:03,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:39:03 BoogieIcfgContainer [2020-07-20 11:39:03,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:39:03,228 INFO L168 Benchmark]: Toolchain (without parser) took 13600.64 ms. Allocated memory was 145.2 MB in the beginning and 404.8 MB in the end (delta: 259.5 MB). Free memory was 100.3 MB in the beginning and 332.4 MB in the end (delta: -232.1 MB). Peak memory consumption was 231.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,229 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.05 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.9 MB in the beginning and 170.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,230 INFO L168 Benchmark]: Boogie Preprocessor took 114.17 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,231 INFO L168 Benchmark]: RCFGBuilder took 1370.76 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 180.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,232 INFO L168 Benchmark]: TraceAbstraction took 11377.33 ms. Allocated memory was 238.0 MB in the beginning and 404.8 MB in the end (delta: 166.7 MB). Free memory was 180.8 MB in the beginning and 332.4 MB in the end (delta: -151.6 MB). Peak memory consumption was 219.1 MB. Max. memory is 7.1 GB. [2020-07-20 11:39:03,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.05 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.9 MB in the beginning and 170.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.17 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1370.76 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 180.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11377.33 ms. Allocated memory was 238.0 MB in the beginning and 404.8 MB in the end (delta: 166.7 MB). Free memory was 180.8 MB in the beginning and 332.4 MB in the end (delta: -151.6 MB). Peak memory consumption was 219.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a19) < 10)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (2 <= a10 && a19 < 10)) || (a10 <= 2 && 23 <= a1)) || (9 <= a19 && a10 <= 2)) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 582 SDtfs, 2181 SDslu, 172 SDs, 0 SdLazy, 4070 SolverSat, 870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1553 GetRequests, 1522 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1343occurred in iteration=6, 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, 7 MinimizatonAttempts, 334 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 256 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1707 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 623 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 642969 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2200 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 925/933 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...