/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/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:26:07,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:26:07,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:26:07,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:26:07,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:26:07,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:26:07,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:26:07,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:26:07,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:26:07,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:26:07,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:26:07,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:26:07,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:26:07,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:26:07,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:26:07,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:26:07,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:26:07,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:26:07,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:26:07,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:26:07,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:26:07,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:26:07,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:26:07,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:26:07,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:26:07,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:26:07,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:26:07,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:26:07,431 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 11:26:07,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:26:07,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:26:07,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:26:07,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:26:07,448 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:26:07,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:26:07,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:26:07,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:26:07,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:26:07,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:26:07,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:26:07,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:26:07,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:26:07,450 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:26:07,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:26:07,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:26:07,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:26:07,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:26:07,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:26:07,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:26:07,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:26:07,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:26:07,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:26:07,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:26:07,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:26:07,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:26:07,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:26:07,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:26:07,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:26:07,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:26:07,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:26:07,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:26:07,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:26:07,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:26:07,773 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:26:07,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-07-07 11:26:07,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cabe982/aba000071ea54d9abf702bfe9788b4bf/FLAG494d9b5b6 [2020-07-07 11:26:08,407 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:26:08,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2020-07-07 11:26:08,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cabe982/aba000071ea54d9abf702bfe9788b4bf/FLAG494d9b5b6 [2020-07-07 11:26:08,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64cabe982/aba000071ea54d9abf702bfe9788b4bf [2020-07-07 11:26:08,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:26:08,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:26:08,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:08,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:26:08,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:26:08,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:08" (1/1) ... [2020-07-07 11:26:08,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ad7c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:08, skipping insertion in model container [2020-07-07 11:26:08,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:26:08" (1/1) ... [2020-07-07 11:26:08,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:26:08,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:26:09,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:09,190 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:26:09,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:26:09,448 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:26:09,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09 WrapperNode [2020-07-07 11:26:09,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:26:09,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:26:09,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:26:09,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:26:09,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (1/1) ... [2020-07-07 11:26:09,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:26:09,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:26:09,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:26:09,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:26:09,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (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 11:26:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:26:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:26:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:26:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:26:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:26:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:26:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:26:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:26:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:26:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:26:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:26:10,779 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:26:10,779 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:26:10,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:10 BoogieIcfgContainer [2020-07-07 11:26:10,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:26:10,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:26:10,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:26:10,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:26:10,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:26:08" (1/3) ... [2020-07-07 11:26:10,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a65ee43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:10, skipping insertion in model container [2020-07-07 11:26:10,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:26:09" (2/3) ... [2020-07-07 11:26:10,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a65ee43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:26:10, skipping insertion in model container [2020-07-07 11:26:10,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:26:10" (3/3) ... [2020-07-07 11:26:10,794 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2020-07-07 11:26:10,805 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:26:10,816 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:26:10,831 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:26:10,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:26:10,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:26:10,863 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:26:10,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:26:10,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:26:10,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:26:10,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:26:10,863 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:26:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:26:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-07 11:26:10,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:10,898 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] [2020-07-07 11:26:10,899 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1304641474, now seen corresponding path program 1 times [2020-07-07 11:26:10,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:10,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636076147] [2020-07-07 11:26:10,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:11,511 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 11:26:11,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636076147] [2020-07-07 11:26:11,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:26:11,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:26:11,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573982401] [2020-07-07 11:26:11,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:26:11,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:11,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:26:11,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:26:11,545 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:26:13,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:13,816 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-07-07 11:26:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:26:13,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-07-07 11:26:13,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:13,857 INFO L225 Difference]: With dead ends: 813 [2020-07-07 11:26:13,857 INFO L226 Difference]: Without dead ends: 488 [2020-07-07 11:26:13,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:26:13,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-07-07 11:26:13,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-07-07 11:26:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-07-07 11:26:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-07-07 11:26:14,001 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 106 [2020-07-07 11:26:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:14,002 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-07-07 11:26:14,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:26:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-07-07 11:26:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-07 11:26:14,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:14,010 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:26:14,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:26:14,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:14,012 INFO L82 PathProgramCache]: Analyzing trace with hash -191835239, now seen corresponding path program 1 times [2020-07-07 11:26:14,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:14,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517878799] [2020-07-07 11:26:14,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:14,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517878799] [2020-07-07 11:26:14,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640957328] [2020-07-07 11:26:14,292 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 11:26:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:14,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:14,390 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:14,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:14,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-07 11:26:14,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949632631] [2020-07-07 11:26:14,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:26:14,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:14,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:26:14,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:26:14,450 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-07-07 11:26:15,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:15,100 INFO L93 Difference]: Finished difference Result 1396 states and 2040 transitions. [2020-07-07 11:26:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:26:15,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-07-07 11:26:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:15,111 INFO L225 Difference]: With dead ends: 1396 [2020-07-07 11:26:15,112 INFO L226 Difference]: Without dead ends: 921 [2020-07-07 11:26:15,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:26:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-07 11:26:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919. [2020-07-07 11:26:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-07 11:26:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1288 transitions. [2020-07-07 11:26:15,189 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1288 transitions. Word has length 114 [2020-07-07 11:26:15,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:15,190 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1288 transitions. [2020-07-07 11:26:15,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:26:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1288 transitions. [2020-07-07 11:26:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-07 11:26:15,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:15,202 INFO L422 BasicCegarLoop]: trace histogram [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 11:26:15,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:26:15,417 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:15,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:15,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1963401651, now seen corresponding path program 1 times [2020-07-07 11:26:15,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:15,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686529238] [2020-07-07 11:26:15,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:15,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686529238] [2020-07-07 11:26:15,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506394353] [2020-07-07 11:26:15,850 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 11:26:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:15,957 INFO L264 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:15,963 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:26:16,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:26:16,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-07 11:26:16,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458027769] [2020-07-07 11:26:16,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:26:16,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:16,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:26:16,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:26:16,012 INFO L87 Difference]: Start difference. First operand 919 states and 1288 transitions. Second operand 3 states. [2020-07-07 11:26:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:16,764 INFO L93 Difference]: Finished difference Result 2274 states and 3250 transitions. [2020-07-07 11:26:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:26:16,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-07 11:26:16,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:16,774 INFO L225 Difference]: With dead ends: 2274 [2020-07-07 11:26:16,774 INFO L226 Difference]: Without dead ends: 1361 [2020-07-07 11:26:16,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:26:16,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-07-07 11:26:16,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1359. [2020-07-07 11:26:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2020-07-07 11:26:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1786 transitions. [2020-07-07 11:26:16,833 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1786 transitions. Word has length 120 [2020-07-07 11:26:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:16,835 INFO L479 AbstractCegarLoop]: Abstraction has 1359 states and 1786 transitions. [2020-07-07 11:26:16,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:26:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1786 transitions. [2020-07-07 11:26:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-07 11:26:16,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:26:16,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2020-07-07 11:26:17,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:17,055 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:26:17,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:26:17,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1201291184, now seen corresponding path program 1 times [2020-07-07 11:26:17,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:26:17,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129571456] [2020-07-07 11:26:17,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:26:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:26:17,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129571456] [2020-07-07 11:26:17,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601853629] [2020-07-07 11:26:17,260 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 11:26:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:26:17,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:26:17,367 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:26:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:26:17,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:26:17,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:26:17,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091966877] [2020-07-07 11:26:17,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:26:17,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:26:17,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:26:17,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:26:17,437 INFO L87 Difference]: Start difference. First operand 1359 states and 1786 transitions. Second operand 11 states. [2020-07-07 11:26:20,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:26:20,001 INFO L93 Difference]: Finished difference Result 3959 states and 5419 transitions. [2020-07-07 11:26:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 11:26:20,002 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2020-07-07 11:26:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:26:20,002 INFO L225 Difference]: With dead ends: 3959 [2020-07-07 11:26:20,003 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:26:20,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-07-07 11:26:20,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:26:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:26:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:26:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:26:20,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-07-07 11:26:20,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:26:20,013 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:26:20,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:26:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:26:20,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:26:20,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:26:20,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:26:20,681 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 31 [2020-07-07 11:26:20,816 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:26:20,817 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:26:20,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,818 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:26:20,819 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,820 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:26:20,821 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:26:20,822 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,823 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:26:20,824 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,825 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:26:20,826 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:26:20,827 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:26:20,828 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:26:20,829 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,830 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,831 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:26:20,832 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,833 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:26:20,834 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,835 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:26:20,836 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:26:20,837 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,838 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (= 1 |old(~a11~0)|) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or (not (<= 9 |old(~a28~0)|)) .cse0 .cse1))) [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:26:20,839 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:26:20,840 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:26:20,841 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:26:20,841 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:26:20,841 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,841 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,841 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:26:20,842 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:26:20,843 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:26:20,844 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,845 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,845 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,845 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,845 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:26:20,845 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:26:20,846 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:26:20,847 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:26:20,848 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-07 11:26:20,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:26:20,849 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:26:20,849 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-07 11:26:20,849 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (= 1 |old(~a25~0)|) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))))) [2020-07-07 11:26:20,849 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:26:20,850 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:26:20,850 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= 9 ~a28~0)) (= 1 |old(~a25~0)|) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))))) [2020-07-07 11:26:20,850 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:26:20,850 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:26:20,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:26:20 BoogieIcfgContainer [2020-07-07 11:26:20,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:26:20,872 INFO L168 Benchmark]: Toolchain (without parser) took 12161.97 ms. Allocated memory was 142.1 MB in the beginning and 395.3 MB in the end (delta: 253.2 MB). Free memory was 98.1 MB in the beginning and 105.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 246.4 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,873 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.01 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 97.9 MB in the beginning and 168.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,875 INFO L168 Benchmark]: Boogie Preprocessor took 124.27 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,876 INFO L168 Benchmark]: RCFGBuilder took 1212.77 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 164.1 MB in the beginning and 178.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,877 INFO L168 Benchmark]: TraceAbstraction took 10082.95 ms. Allocated memory was 228.6 MB in the beginning and 395.3 MB in the end (delta: 166.7 MB). Free memory was 178.9 MB in the beginning and 105.0 MB in the end (delta: 73.9 MB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:26:20,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.01 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 97.9 MB in the beginning and 168.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.27 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.77 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 164.1 MB in the beginning and 178.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10082.95 ms. Allocated memory was 228.6 MB in the beginning and 395.3 MB in the end (delta: 166.7 MB). Free memory was 178.9 MB in the beginning and 105.0 MB in the end (delta: 73.9 MB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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: 606]: Loop Invariant Derived loop invariant: ((((((a17 <= 8 && 9 <= a28) || 1 == \old(a25)) || (a17 <= 8 && a28 <= 7)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || !(\old(a11) <= 0)) || (a17 <= 8 && !(1 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 442 SDtfs, 1825 SDslu, 156 SDs, 0 SdLazy, 3391 SolverSat, 802 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 112 NumberOfFragments, 250 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1696 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1347 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 914 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 907 ConstructedInterpolants, 0 QuantifiedInterpolants, 503672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1110 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 175/192 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...