/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.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:49:17,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:49:17,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:49:17,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 05:49:17,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:49:17,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:49:17,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:49:17,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:49:17,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:49:17,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:49:17,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:49:17,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:49:17,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:49:17,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:49:17,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:49:17,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:49:17,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:49:17,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:49:17,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:49:17,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:49:17,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 05:49:17,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:49:17,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:49:17,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:49:17,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:49:17,358 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:49:17,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:49:17,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:49:17,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:49:17,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:49:17,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:49:17,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:49:17,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:49:17,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:49:17,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:49:17,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:49:17,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:49:17,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:49:17,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:49:17,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:49:17,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:49:17,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:49:17,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:49:17,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:49:17,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:49:17,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:49:17,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:49:17,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:49:17,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:49:17,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:49:17,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:49:17,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:49:17,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:49:17,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:49:17,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:49:17,666 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:49:17,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-07-20 05:49:17,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e947bef/c5f43b4612624199bab0953aed86b87d/FLAGf7e06d332 [2020-07-20 05:49:18,267 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:49:18,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-07-20 05:49:18,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e947bef/c5f43b4612624199bab0953aed86b87d/FLAGf7e06d332 [2020-07-20 05:49:18,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e947bef/c5f43b4612624199bab0953aed86b87d [2020-07-20 05:49:18,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:49:18,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:49:18,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:49:18,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:49:18,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:49:18,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:49:18" (1/1) ... [2020-07-20 05:49:18,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1056567b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:18, skipping insertion in model container [2020-07-20 05:49:18,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:49:18" (1/1) ... [2020-07-20 05:49:18,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:49:18,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:49:19,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:49:19,044 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:49:19,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:49:19,354 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:49:19,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19 WrapperNode [2020-07-20 05:49:19,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:49:19,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:49:19,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:49:19,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:49:19,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... [2020-07-20 05:49:19,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:49:19,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:49:19,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:49:19,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:49:19,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:49:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:49:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:49:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:49:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:49:21,075 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:49:21,076 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:49:21,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:49:21 BoogieIcfgContainer [2020-07-20 05:49:21,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:49:21,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:49:21,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:49:21,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:49:21,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:49:18" (1/3) ... [2020-07-20 05:49:21,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a1d026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:49:21, skipping insertion in model container [2020-07-20 05:49:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:49:19" (2/3) ... [2020-07-20 05:49:21,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a1d026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:49:21, skipping insertion in model container [2020-07-20 05:49:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:49:21" (3/3) ... [2020-07-20 05:49:21,091 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-07-20 05:49:21,102 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:49:21,111 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:49:21,126 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:49:21,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:49:21,155 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:49:21,155 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:49:21,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:49:21,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:49:21,156 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:49:21,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:49:21,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:49:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 05:49:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-20 05:49:21,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:21,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:21,196 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:21,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2020-07-20 05:49:21,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:21,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184614714] [2020-07-20 05:49:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:21,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184614714] [2020-07-20 05:49:21,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:49:21,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:49:21,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379966818] [2020-07-20 05:49:21,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:49:21,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:21,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:49:21,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:49:21,987 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 05:49:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:23,596 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 05:49:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:49:23,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-07-20 05:49:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:23,619 INFO L225 Difference]: With dead ends: 557 [2020-07-20 05:49:23,619 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 05:49:23,627 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 [2020-07-20 05:49:23,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 05:49:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 05:49:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 05:49:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 05:49:23,707 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 100 [2020-07-20 05:49:23,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:23,708 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 05:49:23,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:49:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 05:49:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 05:49:23,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:23,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:23,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:49:23,716 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:23,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2020-07-20 05:49:23,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:23,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49187672] [2020-07-20 05:49:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:23,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49187672] [2020-07-20 05:49:23,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:49:23,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:49:23,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899059335] [2020-07-20 05:49:23,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:49:23,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:23,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:49:23,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:49:23,999 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 05:49:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:25,471 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 05:49:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 05:49:25,471 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-07-20 05:49:25,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:25,477 INFO L225 Difference]: With dead ends: 713 [2020-07-20 05:49:25,477 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 05:49:25,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:49:25,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 05:49:25,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 05:49:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 05:49:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 05:49:25,523 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 110 [2020-07-20 05:49:25,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:25,524 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 05:49:25,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:49:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 05:49:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 05:49:25,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:25,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:25,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:49:25,530 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:25,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:25,531 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2020-07-20 05:49:25,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:25,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238961902] [2020-07-20 05:49:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:25,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238961902] [2020-07-20 05:49:25,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493395435] [2020-07-20 05:49:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74915af4 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 [2020-07-20 05:49:25,945 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@74915af4 issued 4 check-sat command(s) [2020-07-20 05:49:25,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:49:25,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 05:49:25,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:49:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:26,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:49:26,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 05:49:26,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287454679] [2020-07-20 05:49:26,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:49:26,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:26,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:49:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:49:26,043 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 05:49:26,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:26,605 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-20 05:49:26,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:49:26,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 05:49:26,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:26,616 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 05:49:26,616 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 05:49:26,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:49:26,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 05:49:26,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 05:49:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 05:49:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2020-07-20 05:49:26,668 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 111 [2020-07-20 05:49:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:26,669 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2020-07-20 05:49:26,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:49:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2020-07-20 05:49:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 05:49:26,675 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:26,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:26,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 05:49:26,889 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:26,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:26,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2020-07-20 05:49:26,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:26,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671674034] [2020-07-20 05:49:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:27,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671674034] [2020-07-20 05:49:27,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:49:27,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:49:27,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693558007] [2020-07-20 05:49:27,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:49:27,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:27,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:49:27,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:49:27,138 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 8 states. [2020-07-20 05:49:29,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:29,071 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2020-07-20 05:49:29,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:49:29,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-07-20 05:49:29,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:29,086 INFO L225 Difference]: With dead ends: 2808 [2020-07-20 05:49:29,087 INFO L226 Difference]: Without dead ends: 1982 [2020-07-20 05:49:29,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:49:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-07-20 05:49:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-07-20 05:49:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-20 05:49:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-07-20 05:49:29,168 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 125 [2020-07-20 05:49:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:29,168 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-07-20 05:49:29,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:49:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-07-20 05:49:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 05:49:29,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:29,174 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:29,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 05:49:29,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:29,175 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2020-07-20 05:49:29,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:29,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685140334] [2020-07-20 05:49:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:49:29,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685140334] [2020-07-20 05:49:29,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108369710] [2020-07-20 05:49:29,444 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ae7a703 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 [2020-07-20 05:49:29,574 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6ae7a703 issued 4 check-sat command(s) [2020-07-20 05:49:29,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:49:29,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 05:49:29,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:49:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:49:29,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:49:29,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 05:49:29,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029444193] [2020-07-20 05:49:29,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:49:29,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:29,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:49:29,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:49:29,642 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 8 states. [2020-07-20 05:49:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:31,061 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-07-20 05:49:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 05:49:31,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-07-20 05:49:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:31,078 INFO L225 Difference]: With dead ends: 3541 [2020-07-20 05:49:31,079 INFO L226 Difference]: Without dead ends: 2004 [2020-07-20 05:49:31,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:49:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-20 05:49:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-07-20 05:49:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-20 05:49:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-07-20 05:49:31,181 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 142 [2020-07-20 05:49:31,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:31,184 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-07-20 05:49:31,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:49:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-07-20 05:49:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 05:49:31,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:31,192 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 05:49:31,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:31,405 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:31,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:31,406 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2020-07-20 05:49:31,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:31,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019684283] [2020-07-20 05:49:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:49:31,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019684283] [2020-07-20 05:49:31,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094660003] [2020-07-20 05:49:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b58c23a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:31,821 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b58c23a issued 4 check-sat command(s) [2020-07-20 05:49:31,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:49:31,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 05:49:31,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:49:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 05:49:31,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:49:31,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 05:49:31,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804465437] [2020-07-20 05:49:31,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 05:49:31,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:31,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 05:49:31,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:49:31,999 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 9 states. [2020-07-20 05:49:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:34,809 INFO L93 Difference]: Finished difference Result 3992 states and 5524 transitions. [2020-07-20 05:49:34,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 05:49:34,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-07-20 05:49:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:34,831 INFO L225 Difference]: With dead ends: 3992 [2020-07-20 05:49:34,832 INFO L226 Difference]: Without dead ends: 2314 [2020-07-20 05:49:34,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-07-20 05:49:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2020-07-20 05:49:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1708. [2020-07-20 05:49:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1708 states. [2020-07-20 05:49:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2121 transitions. [2020-07-20 05:49:34,911 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2121 transitions. Word has length 146 [2020-07-20 05:49:34,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:34,913 INFO L479 AbstractCegarLoop]: Abstraction has 1708 states and 2121 transitions. [2020-07-20 05:49:34,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 05:49:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2121 transitions. [2020-07-20 05:49:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-20 05:49:34,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:34,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:35,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:35,133 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:35,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2020-07-20 05:49:35,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:35,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897982968] [2020-07-20 05:49:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:49:35,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897982968] [2020-07-20 05:49:35,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296415114] [2020-07-20 05:49:35,331 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1568f631 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 [2020-07-20 05:49:35,495 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1568f631 issued 4 check-sat command(s) [2020-07-20 05:49:35,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:49:35,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 05:49:35,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:49:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 05:49:35,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:49:35,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 05:49:35,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002702673] [2020-07-20 05:49:35,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 05:49:35,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:35,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 05:49:35,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:49:35,611 INFO L87 Difference]: Start difference. First operand 1708 states and 2121 transitions. Second operand 9 states. [2020-07-20 05:49:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:38,318 INFO L93 Difference]: Finished difference Result 5639 states and 7677 transitions. [2020-07-20 05:49:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-20 05:49:38,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2020-07-20 05:49:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:38,349 INFO L225 Difference]: With dead ends: 5639 [2020-07-20 05:49:38,350 INFO L226 Difference]: Without dead ends: 3937 [2020-07-20 05:49:38,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-07-20 05:49:38,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2020-07-20 05:49:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3299. [2020-07-20 05:49:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2020-07-20 05:49:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4179 transitions. [2020-07-20 05:49:38,487 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4179 transitions. Word has length 166 [2020-07-20 05:49:38,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:38,488 INFO L479 AbstractCegarLoop]: Abstraction has 3299 states and 4179 transitions. [2020-07-20 05:49:38,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 05:49:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4179 transitions. [2020-07-20 05:49:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-20 05:49:38,501 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:49:38,501 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:49:38,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:38,717 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:49:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:49:38,718 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2020-07-20 05:49:38,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:49:38,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927721175] [2020-07-20 05:49:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4f93d2d6 [2020-07-20 05:49:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:49:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 05:49:39,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927721175] [2020-07-20 05:49:39,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113778056] [2020-07-20 05:49:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7590bbbc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:39,340 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7590bbbc issued 4 check-sat command(s) [2020-07-20 05:49:39,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:49:39,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 05:49:39,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:49:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 05:49:39,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:49:39,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 05:49:39,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548432940] [2020-07-20 05:49:39,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 05:49:39,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:49:39,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 05:49:39,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:49:39,485 INFO L87 Difference]: Start difference. First operand 3299 states and 4179 transitions. Second operand 9 states. [2020-07-20 05:49:43,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:49:43,362 INFO L93 Difference]: Finished difference Result 6832 states and 8795 transitions. [2020-07-20 05:49:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-20 05:49:43,363 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-07-20 05:49:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:49:43,363 INFO L225 Difference]: With dead ends: 6832 [2020-07-20 05:49:43,363 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:49:43,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2020-07-20 05:49:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:49:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:49:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:49:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:49:43,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-07-20 05:49:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:49:43,380 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:49:43,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 05:49:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:49:43,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:49:43,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:49:43,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:49:44,445 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 217 [2020-07-20 05:49:44,769 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 217 [2020-07-20 05:49:46,168 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 186 DAG size of output: 71 [2020-07-20 05:49:47,236 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-07-20 05:49:48,263 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-07-20 05:49:48,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:49:48,268 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:49:48,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:49:48,268 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,269 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 05:49:48,270 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,271 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 05:49:48,272 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 05:49:48,273 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 05:49:48,274 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,275 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 05:49:48,276 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,277 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 05:49:48,278 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,279 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 05:49:48,280 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,281 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 05:49:48,282 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,283 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 05:49:48,284 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a8~0 |old(~a8~0)|)) (.cse17 (= 1 ~a21~0)) (.cse18 (= ~a20~0 |old(~a20~0)|))) (let ((.cse4 (= 13 |old(~a8~0)|)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse9 (not (<= 15 |old(~a8~0)|))) (.cse6 (and .cse13 .cse14 .cse15 .cse16 .cse17 .cse18)) (.cse0 (not (<= |old(~a21~0)| 0))) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse3 (and .cse13 .cse14 .cse15 .cse16 .cse18 (= ~a21~0 |old(~a21~0)|))) (.cse11 (not (= 1 |old(~a20~0)|))) (.cse5 (not (<= |old(~a7~0)| 0))) (.cse12 (not (<= 5 |old(~a16~0)|))) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse8 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse2 .cse7) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse9 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse10 .cse6 .cse1 .cse7 .cse8) (or .cse11 .cse10 .cse1 .cse6 .cse2 .cse7) (or .cse11 .cse0 .cse3 .cse8) (or .cse9 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse1 .cse3 .cse8) (or (and (or .cse11 .cse5 .cse2 .cse12 .cse7) (or .cse11 .cse5 .cse1 .cse2 .cse7)) .cse3) (or .cse11 .cse5 (and .cse13 .cse14 .cse15 .cse16 .cse17 (= 1 ~a20~0)) .cse12 .cse7 .cse8)))) [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,285 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 05:49:48,286 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,287 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 05:49:48,288 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 05:49:48,289 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 05:49:48,290 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:49:48,291 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-20 05:49:48,292 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:49:48,292 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:49:48,292 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-20 05:49:48,292 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 05:49:48,292 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse2 (not (= 13 ~a8~0))) (.cse6 (= 1 ~a20~0)) (.cse8 (<= 5 ~a16~0)) (.cse10 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse7 (<= ~a7~0 0)) (.cse4 (= 1 ~a21~0)) (.cse9 (<= ~a21~0 0)) (.cse3 (<= ~a16~0 5)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse4 .cse6) (not (<= |old(~a7~0)| 0)) (and .cse7 .cse8 .cse5 .cse4 .cse6) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse7 .cse8 .cse4 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse2 .cse3 .cse5 .cse4) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse9 .cse1 .cse3) (and .cse9 .cse1 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse7 .cse8 .cse10 .cse4) (and .cse7 .cse3 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse10 .cse4) (and .cse1 .cse7 .cse3 .cse4) (not (= 1 |old(~a21~0)|)) (and .cse9 .cse3 .cse5))) [2020-07-20 05:49:48,292 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 05:49:48,292 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 05:49:48,293 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse2 (not (= 13 ~a8~0))) (.cse6 (= 1 ~a20~0)) (.cse8 (<= 5 ~a16~0)) (.cse10 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse7 (<= ~a7~0 0)) (.cse4 (= 1 ~a21~0)) (.cse9 (<= ~a21~0 0)) (.cse3 (<= ~a16~0 5)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse4 .cse6) (not (<= |old(~a7~0)| 0)) (and .cse7 .cse8 .cse5 .cse4 .cse6) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse7 .cse8 .cse4 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse2 .cse3 .cse5 .cse4) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse9 .cse1 .cse3) (and .cse9 .cse1 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse7 .cse8 .cse10 .cse4) (and .cse7 .cse3 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse10 .cse4) (and .cse1 .cse7 .cse3 .cse4) (not (= 1 |old(~a21~0)|)) (and .cse9 .cse3 .cse5))) [2020-07-20 05:49:48,293 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 05:49:48,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:49:48 BoogieIcfgContainer [2020-07-20 05:49:48,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:49:48,334 INFO L168 Benchmark]: Toolchain (without parser) took 29823.87 ms. Allocated memory was 140.5 MB in the beginning and 584.6 MB in the end (delta: 444.1 MB). Free memory was 100.2 MB in the beginning and 505.5 MB in the end (delta: -405.3 MB). Peak memory consumption was 422.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,335 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.67 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 171.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,338 INFO L168 Benchmark]: Boogie Preprocessor took 142.64 ms. Allocated memory is still 206.0 MB. Free memory was 171.6 MB in the beginning and 166.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,342 INFO L168 Benchmark]: RCFGBuilder took 1581.34 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 181.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,343 INFO L168 Benchmark]: TraceAbstraction took 27247.90 ms. Allocated memory was 238.6 MB in the beginning and 584.6 MB in the end (delta: 346.0 MB). Free memory was 179.6 MB in the beginning and 505.5 MB in the end (delta: -325.8 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:49:48,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 843.67 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 171.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.64 ms. Allocated memory is still 206.0 MB. Free memory was 171.6 MB in the beginning and 166.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1581.34 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 181.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27247.90 ms. Allocated memory was 238.6 MB in the beginning and 584.6 MB in the end (delta: 346.0 MB). Free memory was 179.6 MB in the beginning and 505.5 MB in the end (delta: -325.8 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((1 == a7 && a17 <= 0) && !(13 == a8)) && a16 <= 5) && 1 == a21) || ((((1 == a7 && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || !(\old(a7) <= 0)) || ((((a7 <= 0 && 5 <= a16) && 1 == a17) && 1 == a21) && 1 == a20)) || !(1 == \old(a17))) || ((((a17 <= 0 && a7 <= 0) && 5 <= a16) && 1 == a21) && 1 == a20)) || !(5 <= \old(a16))) || ((((a7 <= 0 && !(13 == a8)) && a16 <= 5) && 1 == a17) && 1 == a21)) || !(1 == \old(a20))) || !(15 <= \old(a8))) || ((a21 <= 0 && a17 <= 0) && a16 <= 5)) || ((a21 <= 0 && a17 <= 0) && 1 == a20)) || !(\old(a16) <= 5)) || ((((a17 <= 0 && a7 <= 0) && 5 <= a16) && 15 <= a8) && 1 == a21)) || ((((a7 <= 0 && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || ((((a7 <= 0 && 1 == a17) && 5 <= a16) && 15 <= a8) && 1 == a21)) || (((a17 <= 0 && a7 <= 0) && a16 <= 5) && 1 == a21)) || !(1 == \old(a21))) || ((a21 <= 0 && a16 <= 5) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 273 SDtfs, 4431 SDslu, 442 SDs, 0 SdLazy, 9044 SolverSat, 1875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 831 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3299occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2027 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 172 NumberOfFragments, 959 HoareAnnotationTreeSize, 108 FomulaSimplifications, 289512 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 29901 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 702450 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 565/735 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...