/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/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:22:13,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:22:13,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:22:13,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:22:13,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:22:13,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:22:13,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:22:13,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:22:13,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:22:13,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:22:13,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:22:13,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:22:13,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:22:13,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:22:13,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:22:13,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:22:13,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:22:13,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:22:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:22:13,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:22:13,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:22:13,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:22:13,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:22:13,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:22:13,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:22:13,444 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 [2020-07-07 11:22:13,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:22:13,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:22:13,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:22:13,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:22:13,479 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:22:13,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:22:13,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:22:13,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:22:13,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:22:13,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:22:13,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:22:13,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:22:13,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:22:13,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:22:13,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:22:13,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:22:13,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:22:13,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:22:13,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:22:13,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:22:13,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:22:13,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:22:13,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:22:13,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:22:13,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:22:13,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:22:13,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:22:13,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:22:13,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:22:13,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:22:13,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:22:13,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:22:13,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:22:13,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:22:13,752 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:22:13,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-07-07 11:22:13,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd376a50d/00d9400edf414d888630dfce874b8ebf/FLAG72d11b1ee [2020-07-07 11:22:14,362 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:22:14,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-07-07 11:22:14,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd376a50d/00d9400edf414d888630dfce874b8ebf/FLAG72d11b1ee [2020-07-07 11:22:14,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd376a50d/00d9400edf414d888630dfce874b8ebf [2020-07-07 11:22:14,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:22:14,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:22:14,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:14,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:22:14,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:22:14,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:14" (1/1) ... [2020-07-07 11:22:14,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a539b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:14, skipping insertion in model container [2020-07-07 11:22:14,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:14" (1/1) ... [2020-07-07 11:22:14,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:22:14,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:22:15,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:15,279 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:22:15,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:15,423 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:22:15,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15 WrapperNode [2020-07-07 11:22:15,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:15,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:22:15,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:22:15,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:22:15,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (1/1) ... [2020-07-07 11:22:15,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:22:15,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:22:15,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:22:15,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:22:15,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (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 [2020-07-07 11:22:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:22:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:22:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:22:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:22:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:22:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:22:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:22:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:22:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:22:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:22:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:22:17,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:22:17,051 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:22:17,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:17 BoogieIcfgContainer [2020-07-07 11:22:17,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:22:17,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:22:17,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:22:17,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:22:17,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:22:14" (1/3) ... [2020-07-07 11:22:17,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fabd8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:17, skipping insertion in model container [2020-07-07 11:22:17,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:15" (2/3) ... [2020-07-07 11:22:17,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fabd8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:17, skipping insertion in model container [2020-07-07 11:22:17,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:17" (3/3) ... [2020-07-07 11:22:17,064 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-07-07 11:22:17,074 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:22:17,082 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:22:17,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:22:17,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:22:17,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:22:17,121 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:22:17,121 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:22:17,122 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:22:17,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:22:17,122 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:22:17,122 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:22:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-07 11:22:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-07 11:22:17,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:17,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:17,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:17,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2020-07-07 11:22:17,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:17,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261870891] [2020-07-07 11:22:17,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:17,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261870891] [2020-07-07 11:22:17,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:17,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:22:17,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290724204] [2020-07-07 11:22:17,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:22:17,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:17,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:22:17,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:22:17,868 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-07 11:22:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:19,360 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-07 11:22:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:22:19,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-07-07 11:22:19,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:19,388 INFO L225 Difference]: With dead ends: 557 [2020-07-07 11:22:19,388 INFO L226 Difference]: Without dead ends: 286 [2020-07-07 11:22:19,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:19,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-07 11:22:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-07 11:22:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 11:22:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-07 11:22:19,472 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 119 [2020-07-07 11:22:19,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:19,473 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-07 11:22:19,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:22:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-07 11:22:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-07 11:22:19,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:19,478 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:19,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:22:19,479 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:19,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:19,479 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2020-07-07 11:22:19,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:19,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832397307] [2020-07-07 11:22:19,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:19,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832397307] [2020-07-07 11:22:19,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:19,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:22:19,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423486265] [2020-07-07 11:22:19,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:22:19,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:19,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:22:19,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:19,775 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2020-07-07 11:22:21,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:21,260 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-07 11:22:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:22:21,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-07-07 11:22:21,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:21,267 INFO L225 Difference]: With dead ends: 713 [2020-07-07 11:22:21,267 INFO L226 Difference]: Without dead ends: 439 [2020-07-07 11:22:21,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:22:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-07 11:22:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-07 11:22:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-07 11:22:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-07 11:22:21,331 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 129 [2020-07-07 11:22:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:21,333 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-07 11:22:21,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:22:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-07 11:22:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-07 11:22:21,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:21,341 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:21,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:22:21,342 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:21,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:21,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2020-07-07 11:22:21,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:21,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593645875] [2020-07-07 11:22:21,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:21,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593645875] [2020-07-07 11:22:21,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524066483] [2020-07-07 11:22:21,835 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 [2020-07-07 11:22:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:21,943 INFO L264 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:22:21,956 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:22,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:22,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:22:22,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444147454] [2020-07-07 11:22:22,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:22,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:22,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:22,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:22,043 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-07 11:22:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:22,647 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-07 11:22:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:22,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-07-07 11:22:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:22,658 INFO L225 Difference]: With dead ends: 1247 [2020-07-07 11:22:22,659 INFO L226 Difference]: Without dead ends: 832 [2020-07-07 11:22:22,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-07 11:22:22,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-07 11:22:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-07 11:22:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1164 transitions. [2020-07-07 11:22:22,721 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1164 transitions. Word has length 130 [2020-07-07 11:22:22,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:22,723 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1164 transitions. [2020-07-07 11:22:22,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1164 transitions. [2020-07-07 11:22:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-07 11:22:22,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:22,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:22,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:22:22,944 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:22,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:22,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1286255682, now seen corresponding path program 1 times [2020-07-07 11:22:22,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:22,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207326905] [2020-07-07 11:22:22,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:23,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207326905] [2020-07-07 11:22:23,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373151910] [2020-07-07 11:22:23,174 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 [2020-07-07 11:22:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:23,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:23,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:23,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:23,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-07 11:22:23,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108897124] [2020-07-07 11:22:23,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:23,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:23,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:23,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:23,384 INFO L87 Difference]: Start difference. First operand 832 states and 1164 transitions. Second operand 3 states. [2020-07-07 11:22:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:23,969 INFO L93 Difference]: Finished difference Result 2480 states and 3563 transitions. [2020-07-07 11:22:23,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:23,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-07-07 11:22:23,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:23,984 INFO L225 Difference]: With dead ends: 2480 [2020-07-07 11:22:23,984 INFO L226 Difference]: Without dead ends: 1654 [2020-07-07 11:22:23,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:23,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-07-07 11:22:24,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2020-07-07 11:22:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-07-07 11:22:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2258 transitions. [2020-07-07 11:22:24,059 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2258 transitions. Word has length 136 [2020-07-07 11:22:24,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:24,061 INFO L479 AbstractCegarLoop]: Abstraction has 1654 states and 2258 transitions. [2020-07-07 11:22:24,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2258 transitions. [2020-07-07 11:22:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-07 11:22:24,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:24,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:22:24,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:24,284 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:24,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1873222613, now seen corresponding path program 1 times [2020-07-07 11:22:24,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:24,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108087577] [2020-07-07 11:22:24,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:24,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108087577] [2020-07-07 11:22:24,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295284489] [2020-07-07 11:22:24,533 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:24,636 INFO L264 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:24,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 11:22:24,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:24,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-07 11:22:24,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314607644] [2020-07-07 11:22:24,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:24,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:24,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:24,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:24,708 INFO L87 Difference]: Start difference. First operand 1654 states and 2258 transitions. Second operand 3 states. [2020-07-07 11:22:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:25,282 INFO L93 Difference]: Finished difference Result 4529 states and 6303 transitions. [2020-07-07 11:22:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:25,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-07 11:22:25,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:25,303 INFO L225 Difference]: With dead ends: 4529 [2020-07-07 11:22:25,304 INFO L226 Difference]: Without dead ends: 2881 [2020-07-07 11:22:25,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:25,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2020-07-07 11:22:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2476. [2020-07-07 11:22:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2476 states. [2020-07-07 11:22:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3344 transitions. [2020-07-07 11:22:25,411 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3344 transitions. Word has length 155 [2020-07-07 11:22:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:25,412 INFO L479 AbstractCegarLoop]: Abstraction has 2476 states and 3344 transitions. [2020-07-07 11:22:25,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3344 transitions. [2020-07-07 11:22:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-07 11:22:25,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:25,421 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:22:25,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:25,636 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:25,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:25,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1217695027, now seen corresponding path program 1 times [2020-07-07 11:22:25,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:25,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843712920] [2020-07-07 11:22:25,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:25,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843712920] [2020-07-07 11:22:25,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088689441] [2020-07-07 11:22:25,857 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:25,958 INFO L264 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:25,964 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:26,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:22:26,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:22:26,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903598220] [2020-07-07 11:22:26,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:22:26,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:26,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:22:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:22:26,026 INFO L87 Difference]: Start difference. First operand 2476 states and 3344 transitions. Second operand 11 states. [2020-07-07 11:22:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:29,058 INFO L93 Difference]: Finished difference Result 5919 states and 9123 transitions. [2020-07-07 11:22:29,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 11:22:29,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-07-07 11:22:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:29,086 INFO L225 Difference]: With dead ends: 5919 [2020-07-07 11:22:29,086 INFO L226 Difference]: Without dead ends: 3449 [2020-07-07 11:22:29,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-07-07 11:22:29,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2020-07-07 11:22:29,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 3311. [2020-07-07 11:22:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3311 states. [2020-07-07 11:22:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4660 transitions. [2020-07-07 11:22:29,237 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4660 transitions. Word has length 159 [2020-07-07 11:22:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:29,238 INFO L479 AbstractCegarLoop]: Abstraction has 3311 states and 4660 transitions. [2020-07-07 11:22:29,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:22:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4660 transitions. [2020-07-07 11:22:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-07 11:22:29,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:29,255 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:29,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:29,470 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:29,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:29,471 INFO L82 PathProgramCache]: Analyzing trace with hash 590175403, now seen corresponding path program 1 times [2020-07-07 11:22:29,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:29,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892982173] [2020-07-07 11:22:29,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 11:22:29,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892982173] [2020-07-07 11:22:29,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683948368] [2020-07-07 11:22:29,700 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:29,813 INFO L264 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 11:22:29,817 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 11:22:29,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:22:29,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-07 11:22:29,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268756235] [2020-07-07 11:22:29,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 11:22:29,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:29,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 11:22:29,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:29,871 INFO L87 Difference]: Start difference. First operand 3311 states and 4660 transitions. Second operand 7 states. [2020-07-07 11:22:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:32,451 INFO L93 Difference]: Finished difference Result 9356 states and 14288 transitions. [2020-07-07 11:22:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 11:22:32,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-07-07 11:22:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:32,491 INFO L225 Difference]: With dead ends: 9356 [2020-07-07 11:22:32,491 INFO L226 Difference]: Without dead ends: 6055 [2020-07-07 11:22:32,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:22:32,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6055 states. [2020-07-07 11:22:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6055 to 5001. [2020-07-07 11:22:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5001 states. [2020-07-07 11:22:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 6833 transitions. [2020-07-07 11:22:32,720 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 6833 transitions. Word has length 163 [2020-07-07 11:22:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:32,721 INFO L479 AbstractCegarLoop]: Abstraction has 5001 states and 6833 transitions. [2020-07-07 11:22:32,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 11:22:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 6833 transitions. [2020-07-07 11:22:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-07 11:22:32,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:32,748 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:22:32,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 11:22:32,963 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:32,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1466650285, now seen corresponding path program 1 times [2020-07-07 11:22:32,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:32,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86355044] [2020-07-07 11:22:32,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:33,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86355044] [2020-07-07 11:22:33,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846925405] [2020-07-07 11:22:33,193 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:33,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:33,338 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 11:22:33,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:33,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-07 11:22:33,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036031551] [2020-07-07 11:22:33,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:33,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:33,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:33,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:33,407 INFO L87 Difference]: Start difference. First operand 5001 states and 6833 transitions. Second operand 3 states. [2020-07-07 11:22:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:34,078 INFO L93 Difference]: Finished difference Result 10554 states and 14460 transitions. [2020-07-07 11:22:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:34,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2020-07-07 11:22:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:34,106 INFO L225 Difference]: With dead ends: 10554 [2020-07-07 11:22:34,106 INFO L226 Difference]: Without dead ends: 5694 [2020-07-07 11:22:34,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:34,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2020-07-07 11:22:34,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 4852. [2020-07-07 11:22:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4852 states. [2020-07-07 11:22:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 6504 transitions. [2020-07-07 11:22:34,280 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 6504 transitions. Word has length 175 [2020-07-07 11:22:34,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:34,281 INFO L479 AbstractCegarLoop]: Abstraction has 4852 states and 6504 transitions. [2020-07-07 11:22:34,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 6504 transitions. [2020-07-07 11:22:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 11:22:34,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:34,304 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:34,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:34,517 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:34,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:34,517 INFO L82 PathProgramCache]: Analyzing trace with hash -853384892, now seen corresponding path program 1 times [2020-07-07 11:22:34,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:34,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555080284] [2020-07-07 11:22:34,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-07 11:22:34,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555080284] [2020-07-07 11:22:34,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83037697] [2020-07-07 11:22:34,796 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:34,944 INFO L264 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:22:34,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 11:22:35,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:22:35,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:22:35,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777821848] [2020-07-07 11:22:35,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:22:35,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:35,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:22:35,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:35,006 INFO L87 Difference]: Start difference. First operand 4852 states and 6504 transitions. Second operand 9 states. [2020-07-07 11:22:35,202 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-07 11:22:37,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:37,290 INFO L93 Difference]: Finished difference Result 10132 states and 14235 transitions. [2020-07-07 11:22:37,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:22:37,291 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2020-07-07 11:22:37,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:37,291 INFO L225 Difference]: With dead ends: 10132 [2020-07-07 11:22:37,292 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:22:37,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:22:37,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:22:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:22:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:22:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:22:37,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-07 11:22:37,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:37,330 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:22:37,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:22:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:22:37,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:22:37,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:37,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:22:39,514 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 225 [2020-07-07 11:22:40,138 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 225 [2020-07-07 11:22:41,596 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 210 DAG size of output: 62 [2020-07-07 11:22:43,322 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 219 DAG size of output: 51 [2020-07-07 11:22:44,993 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 219 DAG size of output: 51 [2020-07-07 11:22:44,997 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:22:44,998 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:22:44,998 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:22:44,998 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-07 11:22:44,998 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:44,999 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-07 11:22:45,000 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 11:22:45,001 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,002 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-07 11:22:45,003 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 11:22:45,004 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-07 11:22:45,005 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-07 11:22:45,006 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,007 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-07 11:22:45,008 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,009 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,010 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a21~0 |old(~a21~0)|))) (let ((.cse2 (not (<= |old(~a16~0)| 5))) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 4 ~a16~0))) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse1 (not (<= 14 |old(~a8~0)|))) (.cse8 (not (<= |old(~a7~0)| 0))) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse3 (not (<= 5 |old(~a16~0)|))) (.cse4 (and .cse10 .cse11 (= ~a16~0 |old(~a16~0)|) .cse12 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 .cse6 .cse8) (or .cse9 .cse8 .cse7 .cse3 .cse4) (or .cse9 .cse0 .cse5 .cse6) (or .cse9 .cse0 .cse3 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse8 .cse3 .cse4) (or .cse1 .cse8 .cse7 .cse3 .cse4)))) [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-07 11:22:45,011 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-07 11:22:45,012 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,013 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-07 11:22:45,014 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,015 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 11:22:45,016 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:22:45,017 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a20~0)) [2020-07-07 11:22:45,017 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:22:45,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:22:45,018 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|))) [2020-07-07 11:22:45,018 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:22:45,018 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse2 (<= 14 ~a8~0)) (.cse6 (= 1 ~a17~0)) (.cse1 (= 4 ~a16~0)) (.cse5 (= 1 ~a7~0)) (.cse3 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0))) (or (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= 15 ~a8~0)) (not (<= 5 |old(~a16~0)|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse6) (not (= 1 |old(~a20~0)|)) (and .cse5 .cse7 .cse1) (not (<= 15 |old(~a8~0)|)) (and .cse5 .cse2 .cse1) (and .cse5 .cse6 .cse1) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse3 .cse7))) [2020-07-07 11:22:45,018 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-07 11:22:45,018 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:22:45,019 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse2 (<= 14 ~a8~0)) (.cse6 (= 1 ~a17~0)) (.cse1 (= 4 ~a16~0)) (.cse5 (= 1 ~a7~0)) (.cse3 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0))) (or (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= 15 ~a8~0)) (not (<= 5 |old(~a16~0)|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse6) (not (= 1 |old(~a20~0)|)) (and .cse5 .cse7 .cse1) (not (<= 15 |old(~a8~0)|)) (and .cse5 .cse2 .cse1) (and .cse5 .cse6 .cse1) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse3 .cse7))) [2020-07-07 11:22:45,019 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:22:45,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:22:45 BoogieIcfgContainer [2020-07-07 11:22:45,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:22:45,046 INFO L168 Benchmark]: Toolchain (without parser) took 30335.07 ms. Allocated memory was 140.0 MB in the beginning and 634.9 MB in the end (delta: 494.9 MB). Free memory was 102.6 MB in the beginning and 272.3 MB in the end (delta: -169.7 MB). Peak memory consumption was 515.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,047 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.70 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.4 MB in the beginning and 171.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,052 INFO L168 Benchmark]: Boogie Preprocessor took 108.11 ms. Allocated memory is still 207.1 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,053 INFO L168 Benchmark]: RCFGBuilder took 1523.79 ms. Allocated memory was 207.1 MB in the beginning and 240.1 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 177.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,056 INFO L168 Benchmark]: TraceAbstraction took 27986.82 ms. Allocated memory was 240.1 MB in the beginning and 634.9 MB in the end (delta: 394.8 MB). Free memory was 177.7 MB in the beginning and 272.3 MB in the end (delta: -94.6 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:22:45,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.70 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.4 MB in the beginning and 171.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.11 ms. Allocated memory is still 207.1 MB. Free memory was 171.3 MB in the beginning and 166.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1523.79 ms. Allocated memory was 207.1 MB in the beginning and 240.1 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 177.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27986.82 ms. Allocated memory was 240.1 MB in the beginning and 634.9 MB in the end (delta: 394.8 MB). Free memory was 177.7 MB in the beginning and 272.3 MB in the end (delta: -94.6 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a7 <= 0 && 4 == a16) || !(\old(a7) <= 0)) || !(1 == \old(a17))) || (((a7 <= 0 && 14 <= a8) && 5 <= a16) && a16 <= 5)) || ((a7 <= 0 && 5 <= a16) && 15 <= a8)) || !(5 <= \old(a16))) || (((1 == a7 && 14 <= a8) && 5 <= a16) && a16 <= 5)) || (((a7 <= 0 && 5 <= a16) && 1 == a17) && 1 == a20)) || (((a7 <= 0 && 14 <= a8) && 5 <= a16) && 1 == a17)) || !(1 == \old(a20))) || ((1 == a7 && 1 == a20) && 4 == a16)) || !(15 <= \old(a8))) || ((1 == a7 && 14 <= a8) && 4 == a16)) || ((1 == a7 && 1 == a17) && 4 == a16)) || !(\old(a16) <= 5)) || ((1 == a7 && 5 <= a16) && 1 == a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 3068 SDslu, 292 SDs, 0 SdLazy, 7467 SolverSat, 1349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1267 GetRequests, 1186 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5001occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 2463 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 321 PreInvPairs, 535 NumberOfFragments, 723 HoareAnnotationTreeSize, 321 FomulaSimplifications, 138901 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14477 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2508 NumberOfCodeBlocks, 2508 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2492 ConstructedInterpolants, 0 QuantifiedInterpolants, 1297679 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3083 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 676/719 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...