/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:08:25,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:08:25,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:08:25,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:08:25,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:08:25,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:08:25,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:08:25,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:08:25,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:08:25,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:08:25,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:08:25,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:08:25,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:08:25,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:08:25,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:08:25,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:08:25,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:08:25,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:08:25,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:08:25,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:08:25,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:08:25,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:08:25,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:08:25,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:08:25,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:08:25,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:08:25,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:08:25,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:08:25,114 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 [2020-07-17 12:08:25,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:08:25,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:08:25,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:08:25,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:08:25,131 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:08:25,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:08:25,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:08:25,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:08:25,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:08:25,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:08:25,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:08:25,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:08:25,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:08:25,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:08:25,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:08:25,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:08:25,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:08:25,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:08:25,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:08:25,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:08:25,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:08:25,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:25,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:08:25,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:08:25,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:08:25,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:08:25,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:08:25,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:08:25,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:08:25,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:08:25,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:08:25,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:08:25,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:08:25,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:08:25,430 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:08:25,431 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-07-17 12:08:25,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a0b4c1e/e9612b52265b424b90e8c5b95d6eb70c/FLAGa5954ab60 [2020-07-17 12:08:26,038 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:08:26,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-07-17 12:08:26,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a0b4c1e/e9612b52265b424b90e8c5b95d6eb70c/FLAGa5954ab60 [2020-07-17 12:08:26,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12a0b4c1e/e9612b52265b424b90e8c5b95d6eb70c [2020-07-17 12:08:26,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:08:26,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:08:26,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:26,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:08:26,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:08:26,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:26" (1/1) ... [2020-07-17 12:08:26,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4a9cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:26, skipping insertion in model container [2020-07-17 12:08:26,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:26" (1/1) ... [2020-07-17 12:08:26,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:08:26,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:08:27,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:27,037 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:08:27,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:27,214 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:08:27,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27 WrapperNode [2020-07-17 12:08:27,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:27,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:08:27,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:08:27,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:08:27,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (1/1) ... [2020-07-17 12:08:27,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:08:27,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:08:27,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:08:27,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:08:27,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (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 [2020-07-17 12:08:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:08:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:08:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:08:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:08:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:08:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:08:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:08:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:08:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:08:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:08:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:08:28,759 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:08:28,759 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:08:28,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:28 BoogieIcfgContainer [2020-07-17 12:08:28,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:08:28,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:08:28,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:08:28,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:08:28,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:08:26" (1/3) ... [2020-07-17 12:08:28,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd052df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:28, skipping insertion in model container [2020-07-17 12:08:28,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:27" (2/3) ... [2020-07-17 12:08:28,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd052df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:28, skipping insertion in model container [2020-07-17 12:08:28,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:28" (3/3) ... [2020-07-17 12:08:28,776 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-07-17 12:08:28,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:08:28,799 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:08:28,818 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:08:28,850 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:08:28,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:08:28,850 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:08:28,850 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:08:28,851 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:08:28,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:08:28,851 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:08:28,851 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:08:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:08:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-17 12:08:28,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:28,888 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] [2020-07-17 12:08:28,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:28,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times [2020-07-17 12:08:28,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:28,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040537731] [2020-07-17 12:08:28,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:29,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040537731] [2020-07-17 12:08:29,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:29,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:08:29,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705021608] [2020-07-17 12:08:29,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:08:29,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:29,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:08:29,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:08:29,335 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-17 12:08:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:31,669 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-17 12:08:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:08:31,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-17 12:08:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:31,691 INFO L225 Difference]: With dead ends: 730 [2020-07-17 12:08:31,691 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 12:08:31,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:08:31,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 12:08:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-17 12:08:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-17 12:08:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-17 12:08:31,803 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 35 [2020-07-17 12:08:31,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:31,804 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-17 12:08:31,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:08:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-17 12:08:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-17 12:08:31,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:31,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:31,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:08:31,812 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:31,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash -969660742, now seen corresponding path program 1 times [2020-07-17 12:08:31,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:31,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165637818] [2020-07-17 12:08:31,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:32,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165637818] [2020-07-17 12:08:32,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:32,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:32,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404096181] [2020-07-17 12:08:32,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:32,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:32,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:32,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:32,127 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-17 12:08:34,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:34,204 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-07-17 12:08:34,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 12:08:34,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-07-17 12:08:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:34,214 INFO L225 Difference]: With dead ends: 1490 [2020-07-17 12:08:34,215 INFO L226 Difference]: Without dead ends: 1055 [2020-07-17 12:08:34,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-17 12:08:34,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-17 12:08:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-07-17 12:08:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-07-17 12:08:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-07-17 12:08:34,299 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 117 [2020-07-17 12:08:34,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:34,300 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-07-17 12:08:34,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-07-17 12:08:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-17 12:08:34,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:34,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:34,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:08:34,307 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:34,308 INFO L82 PathProgramCache]: Analyzing trace with hash -782876534, now seen corresponding path program 1 times [2020-07-17 12:08:34,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:34,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006835822] [2020-07-17 12:08:34,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:34,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006835822] [2020-07-17 12:08:34,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:34,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:34,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675339527] [2020-07-17 12:08:34,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:34,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:34,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:34,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:34,699 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-07-17 12:08:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:36,228 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-07-17 12:08:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 12:08:36,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-17 12:08:36,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:36,239 INFO L225 Difference]: With dead ends: 1822 [2020-07-17 12:08:36,239 INFO L226 Difference]: Without dead ends: 1083 [2020-07-17 12:08:36,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:08:36,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-17 12:08:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-07-17 12:08:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-07-17 12:08:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-07-17 12:08:36,290 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 157 [2020-07-17 12:08:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:36,290 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-07-17 12:08:36,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-07-17 12:08:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-17 12:08:36,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:36,296 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, 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] [2020-07-17 12:08:36,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:08:36,297 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:36,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:36,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1371409354, now seen corresponding path program 1 times [2020-07-17 12:08:36,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:36,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204201386] [2020-07-17 12:08:36,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:08:36,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204201386] [2020-07-17 12:08:36,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48919741] [2020-07-17 12:08:36,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:36,705 INFO L264 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:36,717 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:36,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:36,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:08:36,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746160328] [2020-07-17 12:08:36,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:08:36,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:36,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:08:36,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:36,877 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 10 states. [2020-07-17 12:08:41,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:41,491 INFO L93 Difference]: Finished difference Result 2871 states and 3866 transitions. [2020-07-17 12:08:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 12:08:41,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-07-17 12:08:41,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:41,505 INFO L225 Difference]: With dead ends: 2871 [2020-07-17 12:08:41,505 INFO L226 Difference]: Without dead ends: 1822 [2020-07-17 12:08:41,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-17 12:08:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-07-17 12:08:41,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1359. [2020-07-17 12:08:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2020-07-17 12:08:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1727 transitions. [2020-07-17 12:08:41,581 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1727 transitions. Word has length 203 [2020-07-17 12:08:41,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:41,583 INFO L479 AbstractCegarLoop]: Abstraction has 1359 states and 1727 transitions. [2020-07-17 12:08:41,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:08:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1727 transitions. [2020-07-17 12:08:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-17 12:08:41,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:41,589 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:41,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:41,802 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:41,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:41,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1119643437, now seen corresponding path program 1 times [2020-07-17 12:08:41,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:41,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749279184] [2020-07-17 12:08:41,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:08:42,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749279184] [2020-07-17 12:08:42,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945423895] [2020-07-17 12:08:42,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:42,187 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 12:08:42,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:42,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:08:42,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746829560] [2020-07-17 12:08:42,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:08:42,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:42,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:08:42,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:42,261 INFO L87 Difference]: Start difference. First operand 1359 states and 1727 transitions. Second operand 3 states. [2020-07-17 12:08:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:42,994 INFO L93 Difference]: Finished difference Result 2710 states and 3448 transitions. [2020-07-17 12:08:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:08:42,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-07-17 12:08:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:42,996 INFO L225 Difference]: With dead ends: 2710 [2020-07-17 12:08:42,996 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:08:43,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:08:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:08:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:08:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:08:43,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-07-17 12:08:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:43,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:08:43,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:08:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:08:43,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:08:43,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:43,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:08:43,743 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2020-07-17 12:08:43,890 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-07-17 12:08:44,007 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-07-17 12:08:44,011 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:44,011 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,012 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:08:44,013 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:08:44,014 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:08:44,015 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:08:44,016 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2020-07-17 12:08:44,017 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,018 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:08:44,019 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,020 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:08:44,021 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,022 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:08:44,023 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,024 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:08:44,025 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:08:44,026 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,027 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:08:44,028 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:08:44,029 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,030 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:08:44,031 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:08:44,032 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= 7 |old(~a19~0)|)) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= 1 |old(~a10~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or (not (<= |old(~a10~0)| 0)) .cse1 .cse0) (or .cse1 (not (<= |old(~a19~0)| 9)) .cse0))) [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,033 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:08:44,034 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:08:44,035 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,036 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:08:44,037 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,038 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:08:44,039 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:08:44,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:44,041 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0)) [2020-07-17 12:08:44,041 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:08:44,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:44,041 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:08:44,041 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:44,041 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a19~0)))) (or (and (<= ~a19~0 9) .cse0) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))) [2020-07-17 12:08:44,042 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:08:44,042 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:08:44,042 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a19~0)))) (or (and (<= ~a19~0 9) .cse0) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))) [2020-07-17 12:08:44,042 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:44,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:08:44 BoogieIcfgContainer [2020-07-17 12:08:44,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:08:44,065 INFO L168 Benchmark]: Toolchain (without parser) took 17710.23 ms. Allocated memory was 145.8 MB in the beginning and 391.6 MB in the end (delta: 245.9 MB). Free memory was 102.1 MB in the beginning and 300.7 MB in the end (delta: -198.6 MB). Peak memory consumption was 225.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,066 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.66 ms. Allocated memory was 145.8 MB in the beginning and 208.1 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 174.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,068 INFO L168 Benchmark]: Boogie Preprocessor took 98.06 ms. Allocated memory is still 208.1 MB. Free memory was 174.3 MB in the beginning and 169.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,069 INFO L168 Benchmark]: RCFGBuilder took 1453.22 ms. Allocated memory was 208.1 MB in the beginning and 235.9 MB in the end (delta: 27.8 MB). Free memory was 169.4 MB in the beginning and 178.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,069 INFO L168 Benchmark]: TraceAbstraction took 15294.71 ms. Allocated memory was 235.9 MB in the beginning and 391.6 MB in the end (delta: 155.7 MB). Free memory was 178.1 MB in the beginning and 300.7 MB in the end (delta: -122.6 MB). Peak memory consumption was 211.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:44,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 857.66 ms. Allocated memory was 145.8 MB in the beginning and 208.1 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 174.3 MB in the end (delta: -72.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.06 ms. Allocated memory is still 208.1 MB. Free memory was 174.3 MB in the beginning and 169.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1453.22 ms. Allocated memory was 208.1 MB in the beginning and 235.9 MB in the end (delta: 27.8 MB). Free memory was 169.4 MB in the beginning and 178.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15294.71 ms. Allocated memory was 235.9 MB in the beginning and 391.6 MB in the end (delta: 155.7 MB). Free memory was 178.1 MB in the beginning and 300.7 MB in the end (delta: -122.6 MB). Peak memory consumption was 211.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: (((((a19 <= 9 && !(7 == a19)) || (1 <= a10 && a10 <= 2)) || (a10 <= 0 && !(7 == a19))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 289 SDtfs, 2770 SDslu, 217 SDs, 0 SdLazy, 4586 SolverSat, 1121 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 480 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 807 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 40 PreInvPairs, 58 NumberOfFragments, 193 HoareAnnotationTreeSize, 40 FomulaSimplifications, 5378 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1709 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1123 NumberOfCodeBlocks, 1123 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 434010 SizeOfPredicates, 2 NumberOfNonLiveVariables, 755 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 503/584 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...