/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:35:59,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:35:59,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:35:59,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:35:59,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:35:59,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:35:59,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:35:59,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:35:59,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:35:59,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:35:59,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:35:59,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:35:59,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:35:59,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:35:59,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:35:59,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:35:59,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:35:59,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:35:59,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:35:59,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:35:59,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:35:59,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:35:59,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:35:59,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:35:59,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:35:59,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:35:59,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:35:59,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:35:59,489 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 [2020-07-19 21:35:59,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:35:59,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:35:59,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:35:59,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:35:59,512 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:35:59,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:35:59,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:35:59,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:35:59,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:35:59,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:35:59,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:35:59,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:35:59,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:35:59,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:35:59,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:35:59,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:35:59,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:35:59,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:35:59,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:35:59,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:35:59,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:35:59,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:35:59,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:35:59,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:35:59,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:35:59,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:35:59,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:35:59,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:35:59,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:35:59,813 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:35:59,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-19 21:35:59,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5682442d/55572c78a7a94165a348ef63e15fba53/FLAG109c50f27 [2020-07-19 21:36:00,409 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:36:00,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-19 21:36:00,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5682442d/55572c78a7a94165a348ef63e15fba53/FLAG109c50f27 [2020-07-19 21:36:00,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5682442d/55572c78a7a94165a348ef63e15fba53 [2020-07-19 21:36:00,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:36:00,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:36:00,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:00,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:36:00,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:36:00,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:00" (1/1) ... [2020-07-19 21:36:00,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d65a8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:00, skipping insertion in model container [2020-07-19 21:36:00,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:00" (1/1) ... [2020-07-19 21:36:00,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:36:00,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:36:01,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:01,247 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:36:01,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:01,458 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:36:01,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01 WrapperNode [2020-07-19 21:36:01,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:01,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:36:01,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:36:01,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:36:01,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (1/1) ... [2020-07-19 21:36:01,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:36:01,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:36:01,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:36:01,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:36:01,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (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 [2020-07-19 21:36:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:36:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:36:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:36:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:36:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:36:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:36:02,777 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:36:02,777 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:36:02,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:02 BoogieIcfgContainer [2020-07-19 21:36:02,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:36:02,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:36:02,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:36:02,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:36:02,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:36:00" (1/3) ... [2020-07-19 21:36:02,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7306d02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:02, skipping insertion in model container [2020-07-19 21:36:02,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:01" (2/3) ... [2020-07-19 21:36:02,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7306d02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:02, skipping insertion in model container [2020-07-19 21:36:02,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:02" (3/3) ... [2020-07-19 21:36:02,792 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-07-19 21:36:02,803 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:36:02,812 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:36:02,826 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:36:02,853 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:36:02,853 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:36:02,853 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:36:02,853 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:36:02,853 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:36:02,854 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:36:02,854 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:36:02,854 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:36:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:36:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 21:36:02,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:02,890 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] [2020-07-19 21:36:02,890 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:02,896 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2020-07-19 21:36:02,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:02,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717872415] [2020-07-19 21:36:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:03,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717872415] [2020-07-19 21:36:03,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:03,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:36:03,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605171892] [2020-07-19 21:36:03,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:36:03,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:03,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:36:03,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:36:03,467 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-19 21:36:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:05,101 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-19 21:36:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:36:05,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-19 21:36:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:05,137 INFO L225 Difference]: With dead ends: 627 [2020-07-19 21:36:05,137 INFO L226 Difference]: Without dead ends: 327 [2020-07-19 21:36:05,152 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 [2020-07-19 21:36:05,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-19 21:36:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-19 21:36:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-19 21:36:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-19 21:36:05,231 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 98 [2020-07-19 21:36:05,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:05,232 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-19 21:36:05,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:36:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-19 21:36:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-19 21:36:05,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:05,240 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 21:36:05,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:36:05,240 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:05,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1720377347, now seen corresponding path program 1 times [2020-07-19 21:36:05,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:05,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757855163] [2020-07-19 21:36:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:05,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757855163] [2020-07-19 21:36:05,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:05,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:05,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952883690] [2020-07-19 21:36:05,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:05,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:05,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:05,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:05,520 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-19 21:36:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:07,796 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2020-07-19 21:36:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:36:07,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-19 21:36:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:07,806 INFO L225 Difference]: With dead ends: 1102 [2020-07-19 21:36:07,806 INFO L226 Difference]: Without dead ends: 789 [2020-07-19 21:36:07,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:36:07,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-07-19 21:36:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2020-07-19 21:36:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-19 21:36:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-07-19 21:36:07,893 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 113 [2020-07-19 21:36:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:07,893 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-07-19 21:36:07,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-07-19 21:36:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-19 21:36:07,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:07,903 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-19 21:36:07,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:36:07,904 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:07,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:07,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1091985480, now seen corresponding path program 1 times [2020-07-19 21:36:07,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:07,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993449688] [2020-07-19 21:36:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 21:36:08,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993449688] [2020-07-19 21:36:08,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951729569] [2020-07-19 21:36:08,094 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:08,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:08,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:08,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:08,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:36:08,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637697106] [2020-07-19 21:36:08,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:36:08,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:08,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:36:08,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:36:08,347 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 11 states. [2020-07-19 21:36:09,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:09,829 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2020-07-19 21:36:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:36:09,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-19 21:36:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:09,837 INFO L225 Difference]: With dead ends: 1395 [2020-07-19 21:36:09,838 INFO L226 Difference]: Without dead ends: 629 [2020-07-19 21:36:09,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:36:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-19 21:36:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2020-07-19 21:36:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-07-19 21:36:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2020-07-19 21:36:09,886 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 121 [2020-07-19 21:36:09,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:09,886 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2020-07-19 21:36:09,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:36:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2020-07-19 21:36:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-19 21:36:09,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:09,893 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-19 21:36:10,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 21:36:10,107 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:10,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:10,108 INFO L82 PathProgramCache]: Analyzing trace with hash -540211274, now seen corresponding path program 1 times [2020-07-19 21:36:10,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:10,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455226022] [2020-07-19 21:36:10,109 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:10,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455226022] [2020-07-19 21:36:10,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:10,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:10,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611314230] [2020-07-19 21:36:10,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:10,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:10,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:10,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:10,379 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand 8 states. [2020-07-19 21:36:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:12,376 INFO L93 Difference]: Finished difference Result 2304 states and 3399 transitions. [2020-07-19 21:36:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:36:12,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-07-19 21:36:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:12,389 INFO L225 Difference]: With dead ends: 2304 [2020-07-19 21:36:12,389 INFO L226 Difference]: Without dead ends: 1699 [2020-07-19 21:36:12,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:36:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-07-19 21:36:12,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1219. [2020-07-19 21:36:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-07-19 21:36:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1679 transitions. [2020-07-19 21:36:12,469 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1679 transitions. Word has length 120 [2020-07-19 21:36:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:12,469 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1679 transitions. [2020-07-19 21:36:12,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1679 transitions. [2020-07-19 21:36:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-19 21:36:12,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:12,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:12,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:36:12,483 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:12,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:12,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1255105582, now seen corresponding path program 1 times [2020-07-19 21:36:12,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:12,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284968347] [2020-07-19 21:36:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:12,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284968347] [2020-07-19 21:36:12,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391439573] [2020-07-19 21:36:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:12,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:36:12,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:12,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:12,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-19 21:36:12,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325202957] [2020-07-19 21:36:12,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:36:12,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:36:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:36:12,949 INFO L87 Difference]: Start difference. First operand 1219 states and 1679 transitions. Second operand 5 states. [2020-07-19 21:36:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:13,704 INFO L93 Difference]: Finished difference Result 3536 states and 5143 transitions. [2020-07-19 21:36:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:36:13,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-07-19 21:36:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:13,719 INFO L225 Difference]: With dead ends: 3536 [2020-07-19 21:36:13,720 INFO L226 Difference]: Without dead ends: 2323 [2020-07-19 21:36:13,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:36:13,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-07-19 21:36:13,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2145. [2020-07-19 21:36:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-07-19 21:36:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2893 transitions. [2020-07-19 21:36:13,801 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2893 transitions. Word has length 124 [2020-07-19 21:36:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:13,802 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 2893 transitions. [2020-07-19 21:36:13,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:36:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2893 transitions. [2020-07-19 21:36:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-19 21:36:13,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:13,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:14,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:14,022 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:14,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:14,023 INFO L82 PathProgramCache]: Analyzing trace with hash -570592108, now seen corresponding path program 1 times [2020-07-19 21:36:14,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:14,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299090804] [2020-07-19 21:36:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:14,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299090804] [2020-07-19 21:36:14,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:14,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:14,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347014283] [2020-07-19 21:36:14,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:14,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:14,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:14,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:14,174 INFO L87 Difference]: Start difference. First operand 2145 states and 2893 transitions. Second operand 8 states. [2020-07-19 21:36:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:15,974 INFO L93 Difference]: Finished difference Result 6216 states and 8625 transitions. [2020-07-19 21:36:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:36:15,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-07-19 21:36:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:15,995 INFO L225 Difference]: With dead ends: 6216 [2020-07-19 21:36:15,995 INFO L226 Difference]: Without dead ends: 4077 [2020-07-19 21:36:16,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:36:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2020-07-19 21:36:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 3777. [2020-07-19 21:36:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-07-19 21:36:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4676 transitions. [2020-07-19 21:36:16,120 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4676 transitions. Word has length 133 [2020-07-19 21:36:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:16,120 INFO L479 AbstractCegarLoop]: Abstraction has 3777 states and 4676 transitions. [2020-07-19 21:36:16,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4676 transitions. [2020-07-19 21:36:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-19 21:36:16,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:16,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:16,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:36:16,130 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:16,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:16,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1254253877, now seen corresponding path program 1 times [2020-07-19 21:36:16,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:16,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112600178] [2020-07-19 21:36:16,131 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:36:16,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112600178] [2020-07-19 21:36:16,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107207209] [2020-07-19 21:36:16,283 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:36:16,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:16,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:16,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-19 21:36:16,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437673061] [2020-07-19 21:36:16,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:36:16,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:16,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:36:16,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:36:16,443 INFO L87 Difference]: Start difference. First operand 3777 states and 4676 transitions. Second operand 7 states. [2020-07-19 21:36:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:18,329 INFO L93 Difference]: Finished difference Result 6879 states and 8466 transitions. [2020-07-19 21:36:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:36:18,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-19 21:36:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:18,348 INFO L225 Difference]: With dead ends: 6879 [2020-07-19 21:36:18,348 INFO L226 Difference]: Without dead ends: 2941 [2020-07-19 21:36:18,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:36:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-07-19 21:36:18,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2910. [2020-07-19 21:36:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-07-19 21:36:18,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3370 transitions. [2020-07-19 21:36:18,433 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3370 transitions. Word has length 146 [2020-07-19 21:36:18,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:18,434 INFO L479 AbstractCegarLoop]: Abstraction has 2910 states and 3370 transitions. [2020-07-19 21:36:18,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:36:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3370 transitions. [2020-07-19 21:36:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-19 21:36:18,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:18,441 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:36:18,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:18,657 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:18,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:18,657 INFO L82 PathProgramCache]: Analyzing trace with hash -686446993, now seen corresponding path program 1 times [2020-07-19 21:36:18,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:18,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840704599] [2020-07-19 21:36:18,658 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:36:18,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840704599] [2020-07-19 21:36:18,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103954035] [2020-07-19 21:36:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:18,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:18,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:36:19,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:19,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:36:19,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132885364] [2020-07-19 21:36:19,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:36:19,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:19,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:36:19,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:36:19,013 INFO L87 Difference]: Start difference. First operand 2910 states and 3370 transitions. Second operand 11 states. [2020-07-19 21:36:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:21,831 INFO L93 Difference]: Finished difference Result 6242 states and 7382 transitions. [2020-07-19 21:36:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:36:21,835 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-07-19 21:36:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:21,850 INFO L225 Difference]: With dead ends: 6242 [2020-07-19 21:36:21,850 INFO L226 Difference]: Without dead ends: 3342 [2020-07-19 21:36:21,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:36:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-07-19 21:36:21,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3044. [2020-07-19 21:36:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-07-19 21:36:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3425 transitions. [2020-07-19 21:36:21,950 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3425 transitions. Word has length 159 [2020-07-19 21:36:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:21,951 INFO L479 AbstractCegarLoop]: Abstraction has 3044 states and 3425 transitions. [2020-07-19 21:36:21,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:36:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3425 transitions. [2020-07-19 21:36:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-19 21:36:21,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:21,959 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:22,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:22,174 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:22,175 INFO L82 PathProgramCache]: Analyzing trace with hash 884199043, now seen corresponding path program 1 times [2020-07-19 21:36:22,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:22,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378585048] [2020-07-19 21:36:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:36:22,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378585048] [2020-07-19 21:36:22,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054907901] [2020-07-19 21:36:22,456 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:22,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:22,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-19 21:36:22,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:22,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 21:36:22,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256366788] [2020-07-19 21:36:22,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:36:22,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:22,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:36:22,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:22,691 INFO L87 Difference]: Start difference. First operand 3044 states and 3425 transitions. Second operand 10 states. [2020-07-19 21:36:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:24,780 INFO L93 Difference]: Finished difference Result 6708 states and 7683 transitions. [2020-07-19 21:36:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-19 21:36:24,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-07-19 21:36:24,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:24,792 INFO L225 Difference]: With dead ends: 6708 [2020-07-19 21:36:24,792 INFO L226 Difference]: Without dead ends: 2718 [2020-07-19 21:36:24,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2020-07-19 21:36:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2020-07-19 21:36:24,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2540. [2020-07-19 21:36:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2540 states. [2020-07-19 21:36:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 2678 transitions. [2020-07-19 21:36:24,862 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 2678 transitions. Word has length 210 [2020-07-19 21:36:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:24,862 INFO L479 AbstractCegarLoop]: Abstraction has 2540 states and 2678 transitions. [2020-07-19 21:36:24,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:36:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2678 transitions. [2020-07-19 21:36:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-19 21:36:24,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:24,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:36:25,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:25,084 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:25,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:25,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1962742350, now seen corresponding path program 1 times [2020-07-19 21:36:25,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:25,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033584206] [2020-07-19 21:36:25,087 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 [2020-07-19 21:36:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-19 21:36:25,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033584206] [2020-07-19 21:36:25,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120177479] [2020-07-19 21:36:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1d903944 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 [2020-07-19 21:36:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:25,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:36:25,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-19 21:36:25,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:25,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-19 21:36:25,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474640685] [2020-07-19 21:36:25,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:36:25,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:25,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:36:25,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:36:25,593 INFO L87 Difference]: Start difference. First operand 2540 states and 2678 transitions. Second operand 3 states. [2020-07-19 21:36:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:26,040 INFO L93 Difference]: Finished difference Result 3130 states and 3290 transitions. [2020-07-19 21:36:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:36:26,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-07-19 21:36:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:26,046 INFO L225 Difference]: With dead ends: 3130 [2020-07-19 21:36:26,046 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:36:26,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:36:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:36:26,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:36:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:36:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:36:26,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-07-19 21:36:26,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:26,053 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:36:26,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:36:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:36:26,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:36:26,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:26,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:36:26,748 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-19 21:36:26,949 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-19 21:36:28,343 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-07-19 21:36:29,236 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-19 21:36:30,117 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-19 21:36:30,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:36:30,122 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)|)) [2020-07-19 21:36:30,123 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:36:30,123 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,123 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,123 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,123 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:36:30,124 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,125 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:36:30,126 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,127 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:36:30,128 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:36:30,129 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:36:30,130 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,131 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:36:30,132 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:36:30,133 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,134 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:36:30,135 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,136 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:36:30,137 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,138 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:36:30,139 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:36:30,140 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:36:30,141 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,141 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,141 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,141 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 ~a25~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (not (<= 10 |old(~a28~0)|))) (.cse6 (= 8 ~a17~0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse20 (not (<= |old(~a17~0)| 7))) (.cse12 (= 11 |old(~a28~0)|)) (.cse19 (not (<= |old(~a28~0)| 7))) (.cse10 (and .cse3 (<= ~a17~0 8) .cse15 (<= ~a25~0 0) .cse4 .cse5 .cse16)) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse18 (and .cse3 .cse15 .cse5 .cse4 .cse7)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse17 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse8 .cse11 .cse12 .cse13) (or .cse0 .cse9 .cse10 .cse14 .cse11 .cse12) (or .cse0 .cse1 (and .cse3 .cse15 .cse5 .cse4 .cse16) .cse9 .cse12 .cse17) (or .cse1 .cse18 .cse2 .cse14 .cse12 .cse17) (or .cse1 .cse18 .cse19 .cse2 .cse17) (or .cse0 .cse19 .cse2 .cse20 (and (= 1 ~a11~0) .cse15 .cse4 .cse5 .cse7) .cse13) (or .cse10 .cse9 .cse8 .cse20 .cse11 .cse12) (or .cse1 .cse9 .cse12 (= 9 |old(~a28~0)|) .cse17 (and .cse3 .cse4 .cse5 .cse6 .cse16)) (or .cse2 .cse8 .cse20 (and .cse3 .cse15 .cse4 .cse5 .cse7) .cse12) (or .cse1 .cse19 .cse10 .cse9 .cse11 .cse13) (or .cse0 .cse1 .cse18 .cse2 .cse17)))) [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:36:30,142 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:36:30,143 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,144 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:36:30,145 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,146 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:36:30,147 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:36:30,148 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:36:30,149 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:36:30,149 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:36:30,149 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:36:30,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:36:30,149 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-19 21:36:30,149 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:36:30,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:36:30,150 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-07-19 21:36:30,150 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-19 21:36:30,150 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:36:30,150 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:36:30,150 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-19 21:36:30,151 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:36:30,151 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:36:30,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:36:30 BoogieIcfgContainer [2020-07-19 21:36:30,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:36:30,177 INFO L168 Benchmark]: Toolchain (without parser) took 29468.63 ms. Allocated memory was 136.3 MB in the beginning and 604.0 MB in the end (delta: 467.7 MB). Free memory was 99.9 MB in the beginning and 312.9 MB in the end (delta: -213.0 MB). Peak memory consumption was 493.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,178 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.51 ms. Allocated memory was 136.3 MB in the beginning and 203.4 MB in the end (delta: 67.1 MB). Free memory was 99.5 MB in the beginning and 171.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,179 INFO L168 Benchmark]: Boogie Preprocessor took 118.74 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,180 INFO L168 Benchmark]: RCFGBuilder took 1205.14 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 166.5 MB in the beginning and 182.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,181 INFO L168 Benchmark]: TraceAbstraction took 27389.83 ms. Allocated memory was 232.8 MB in the beginning and 604.0 MB in the end (delta: 371.2 MB). Free memory was 182.8 MB in the beginning and 312.9 MB in the end (delta: -130.1 MB). Peak memory consumption was 480.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:30,185 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 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.51 ms. Allocated memory was 136.3 MB in the beginning and 203.4 MB in the end (delta: 67.1 MB). Free memory was 99.5 MB in the beginning and 171.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.74 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 166.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.14 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 166.5 MB in the beginning and 182.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27389.83 ms. Allocated memory was 232.8 MB in the beginning and 604.0 MB in the end (delta: 371.2 MB). Free memory was 182.8 MB in the beginning and 312.9 MB in the end (delta: -130.1 MB). Peak memory consumption was 480.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: (((((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && !(a28 == a17)) && a17 <= 8) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a11 <= 0) && a25 <= 0) && 8 == a17)) || (((1 == a19 && !(a28 == a17)) && 8 == a17) && 1 == a25)) || (((!(11 == a28) && !(a28 == a17)) && a17 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || (((a11 <= 0 && 8 == a17) && a28 <= 7) && 1 == a25)) || !(8 == \old(a17))) || ((((1 == a19 && 1 == a11) && a17 <= 7) && a28 <= 7) && 1 == a25)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && a25 <= 0) && 10 <= a28)) || ((((!(11 == a28) && !(a28 == a17)) && a17 <= 8) && a25 <= 0) && a17 <= 7)) || (((1 == a19 && a11 <= 0) && 8 == a17) && 1 == a25)) || !(\old(a25) <= 0)) || ((((a11 <= 0 && !(11 == a28)) && 10 <= a28) && 8 == a17) && 1 == a25)) || ((((1 == a11 && a17 <= 8) && a17 == \old(a17)) && a25 <= 0) && a28 <= 7)) || ((((!(11 == a28) && a11 <= 0) && a25 <= 0) && !(9 == a28)) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 508 SDtfs, 8189 SDslu, 534 SDs, 0 SdLazy, 10055 SolverSat, 2237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1065 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3777occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1508 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 983 HoareAnnotationTreeSize, 134 FomulaSimplifications, 96293 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7700 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2448 ConstructedInterpolants, 0 QuantifiedInterpolants, 980988 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1222/1271 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...