java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:53:30,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:53:30,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:53:30,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-13 17:53:30,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:53:30,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:53:30,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:53:30,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:53:30,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:53:30,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:53:30,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:53:30,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:53:30,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:53:30,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:53:30,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:53:30,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:53:30,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:53:30,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:53:30,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:53:30,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:53:30,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:53:30,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:53:30,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:53:30,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:53:30,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:53:30,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:53:30,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:53:30,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:53:30,436 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 [2019-10-13 17:53:30,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:53:30,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:53:30,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:53:30,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:53:30,463 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:53:30,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:53:30,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:53:30,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:53:30,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:53:30,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:53:30,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:53:30,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:53:30,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:53:30,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:53:30,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:53:30,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:53:30,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:53:30,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:53:30,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:53:30,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:53:30,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:53:30,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:53:30,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:53:30,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:53:30,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:53:30,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:53:30,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:53:30,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:53:30,797 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:53:30,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-13 17:53:30,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe7583eb8/829e8215349f49339fb95eb466103647/FLAG2a4ad397c [2019-10-13 17:53:31,481 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:53:31,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-13 17:53:31,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe7583eb8/829e8215349f49339fb95eb466103647/FLAG2a4ad397c [2019-10-13 17:53:31,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe7583eb8/829e8215349f49339fb95eb466103647 [2019-10-13 17:53:31,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:53:31,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:53:31,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:31,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:53:31,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:53:31,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:31" (1/1) ... [2019-10-13 17:53:31,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec303f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:31, skipping insertion in model container [2019-10-13 17:53:31,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:31" (1/1) ... [2019-10-13 17:53:31,763 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:53:31,824 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:53:32,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:32,501 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:53:32,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:32,613 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:53:32,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32 WrapperNode [2019-10-13 17:53:32,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:32,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:53:32,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:53:32,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:53:32,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (1/1) ... [2019-10-13 17:53:32,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:53:32,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:53:32,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:53:32,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:53:32,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (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 [2019-10-13 17:53:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:53:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:53:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:53:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:53:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:53:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:53:34,166 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:53:34,166 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:53:34,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:34 BoogieIcfgContainer [2019-10-13 17:53:34,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:53:34,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:53:34,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:53:34,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:53:34,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:53:31" (1/3) ... [2019-10-13 17:53:34,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b1a8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:34, skipping insertion in model container [2019-10-13 17:53:34,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:32" (2/3) ... [2019-10-13 17:53:34,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b1a8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:34, skipping insertion in model container [2019-10-13 17:53:34,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:34" (3/3) ... [2019-10-13 17:53:34,178 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2019-10-13 17:53:34,187 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:53:34,196 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:53:34,207 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:53:34,235 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:53:34,235 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:53:34,235 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:53:34,235 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:53:34,235 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:53:34,236 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:53:34,236 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:53:34,236 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:53:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-13 17:53:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-13 17:53:34,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:34,275 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:34,277 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:34,284 INFO L82 PathProgramCache]: Analyzing trace with hash 597031182, now seen corresponding path program 1 times [2019-10-13 17:53:34,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:34,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293928731] [2019-10-13 17:53:34,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:34,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:34,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:34,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293928731] [2019-10-13 17:53:34,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:34,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:53:34,820 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844373384] [2019-10-13 17:53:34,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:53:34,830 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:34,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:53:34,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:53:34,852 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-13 17:53:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:36,418 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-13 17:53:36,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:53:36,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2019-10-13 17:53:36,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:36,446 INFO L225 Difference]: With dead ends: 557 [2019-10-13 17:53:36,446 INFO L226 Difference]: Without dead ends: 286 [2019-10-13 17:53:36,460 INFO L600 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 [2019-10-13 17:53:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-13 17:53:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-13 17:53:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 17:53:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-13 17:53:36,592 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 120 [2019-10-13 17:53:36,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:36,594 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-13 17:53:36,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:53:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-13 17:53:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-13 17:53:36,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:36,610 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:36,610 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:36,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:36,612 INFO L82 PathProgramCache]: Analyzing trace with hash 330455461, now seen corresponding path program 1 times [2019-10-13 17:53:36,612 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:36,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799136185] [2019-10-13 17:53:36,612 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:36,613 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:36,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:36,863 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799136185] [2019-10-13 17:53:36,864 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:36,864 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:53:36,864 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426457014] [2019-10-13 17:53:36,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:53:36,867 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:36,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:53:36,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:36,867 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-13 17:53:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:38,417 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-13 17:53:38,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:53:38,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2019-10-13 17:53:38,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:38,423 INFO L225 Difference]: With dead ends: 713 [2019-10-13 17:53:38,424 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 17:53:38,426 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:53:38,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 17:53:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-13 17:53:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-13 17:53:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-13 17:53:38,456 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 130 [2019-10-13 17:53:38,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:38,457 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-13 17:53:38,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:53:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-13 17:53:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 17:53:38,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:38,461 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:38,461 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:38,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:38,462 INFO L82 PathProgramCache]: Analyzing trace with hash -46995225, now seen corresponding path program 1 times [2019-10-13 17:53:38,462 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:38,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956311730] [2019-10-13 17:53:38,462 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:38,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:38,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:38,947 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956311730] [2019-10-13 17:53:38,947 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037684649] [2019-10-13 17:53:38,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:39,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:39,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:39,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:39,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:53:39,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263111647] [2019-10-13 17:53:39,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:39,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:39,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:39,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:39,125 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-13 17:53:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:39,748 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-10-13 17:53:39,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:39,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-13 17:53:39,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:39,757 INFO L225 Difference]: With dead ends: 1247 [2019-10-13 17:53:39,757 INFO L226 Difference]: Without dead ends: 832 [2019-10-13 17:53:39,759 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-13 17:53:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-13 17:53:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-13 17:53:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-10-13 17:53:39,796 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 131 [2019-10-13 17:53:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:39,797 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-10-13 17:53:39,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-10-13 17:53:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 17:53:39,801 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:39,801 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:40,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:40,007 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:40,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:40,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1219225115, now seen corresponding path program 1 times [2019-10-13 17:53:40,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:40,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445176135] [2019-10-13 17:53:40,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:40,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:40,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:40,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445176135] [2019-10-13 17:53:40,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324661442] [2019-10-13 17:53:40,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:40,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:40,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:40,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:40,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:53:40,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009675260] [2019-10-13 17:53:40,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:40,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:40,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:40,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:53:40,361 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-10-13 17:53:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:40,987 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions. [2019-10-13 17:53:40,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:40,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-13 17:53:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:40,996 INFO L225 Difference]: With dead ends: 2343 [2019-10-13 17:53:40,997 INFO L226 Difference]: Without dead ends: 1517 [2019-10-13 17:53:40,999 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:53:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2019-10-13 17:53:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2019-10-13 17:53:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2019-10-13 17:53:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions. [2019-10-13 17:53:41,056 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 137 [2019-10-13 17:53:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:41,057 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions. [2019-10-13 17:53:41,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions. [2019-10-13 17:53:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 17:53:41,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:41,063 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:41,266 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:41,267 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:41,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:41,268 INFO L82 PathProgramCache]: Analyzing trace with hash -2034569339, now seen corresponding path program 1 times [2019-10-13 17:53:41,268 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:41,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911947590] [2019-10-13 17:53:41,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:41,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:41,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:53:41,559 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911947590] [2019-10-13 17:53:41,559 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171254382] [2019-10-13 17:53:41,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:41,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:41,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:41,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-10-13 17:53:41,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348996524] [2019-10-13 17:53:41,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:41,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:41,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:41,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:41,716 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 3 states. [2019-10-13 17:53:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:42,327 INFO L93 Difference]: Finished difference Result 3437 states and 4643 transitions. [2019-10-13 17:53:42,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:42,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-13 17:53:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:42,339 INFO L225 Difference]: With dead ends: 3437 [2019-10-13 17:53:42,339 INFO L226 Difference]: Without dead ends: 1926 [2019-10-13 17:53:42,344 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:42,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2019-10-13 17:53:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1926. [2019-10-13 17:53:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1926 states. [2019-10-13 17:53:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2501 transitions. [2019-10-13 17:53:42,414 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2501 transitions. Word has length 146 [2019-10-13 17:53:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:42,415 INFO L462 AbstractCegarLoop]: Abstraction has 1926 states and 2501 transitions. [2019-10-13 17:53:42,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2501 transitions. [2019-10-13 17:53:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 17:53:42,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:42,422 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:42,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:42,628 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:42,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:42,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1521407610, now seen corresponding path program 1 times [2019-10-13 17:53:42,629 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:42,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406413231] [2019-10-13 17:53:42,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:42,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:42,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:53:42,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406413231] [2019-10-13 17:53:42,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67239813] [2019-10-13 17:53:42,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:42,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:53:42,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:43,058 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:53:43,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2019-10-13 17:53:43,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176712496] [2019-10-13 17:53:43,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:53:43,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:43,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:53:43,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:53:43,060 INFO L87 Difference]: Start difference. First operand 1926 states and 2501 transitions. Second operand 8 states. [2019-10-13 17:53:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:44,302 INFO L93 Difference]: Finished difference Result 4204 states and 5613 transitions. [2019-10-13 17:53:44,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:53:44,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2019-10-13 17:53:44,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:44,318 INFO L225 Difference]: With dead ends: 4204 [2019-10-13 17:53:44,319 INFO L226 Difference]: Without dead ends: 2284 [2019-10-13 17:53:44,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-13 17:53:44,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2019-10-13 17:53:44,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1827. [2019-10-13 17:53:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2019-10-13 17:53:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2241 transitions. [2019-10-13 17:53:44,427 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2241 transitions. Word has length 175 [2019-10-13 17:53:44,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:44,428 INFO L462 AbstractCegarLoop]: Abstraction has 1827 states and 2241 transitions. [2019-10-13 17:53:44,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:53:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2241 transitions. [2019-10-13 17:53:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-13 17:53:44,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:44,435 INFO L380 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, 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] [2019-10-13 17:53:44,639 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:44,639 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:44,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash 795457010, now seen corresponding path program 1 times [2019-10-13 17:53:44,640 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:44,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780678942] [2019-10-13 17:53:44,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:44,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:44,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:53:45,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780678942] [2019-10-13 17:53:45,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212134111] [2019-10-13 17:53:45,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:53:45,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 17:53:45,391 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:45,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2019-10-13 17:53:45,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956652508] [2019-10-13 17:53:45,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:45,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:45,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:45,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:53:45,394 INFO L87 Difference]: Start difference. First operand 1827 states and 2241 transitions. Second operand 3 states. [2019-10-13 17:53:45,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:45,976 INFO L93 Difference]: Finished difference Result 4746 states and 5904 transitions. [2019-10-13 17:53:45,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:45,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-10-13 17:53:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:45,982 INFO L225 Difference]: With dead ends: 4746 [2019-10-13 17:53:45,983 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:53:45,992 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:53:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:53:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:53:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:53:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:53:45,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2019-10-13 17:53:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:45,994 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:53:45,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:53:45,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:53:46,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:46,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:53:47,095 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 45 [2019-10-13 17:53:47,236 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-10-13 17:53:47,350 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-10-13 17:53:47,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:47,354 INFO L439 ceAbstractionStarter]: 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)|)) [2019-10-13 17:53:47,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:47,354 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 17:53:47,354 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 17:53:47,354 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,354 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 17:53:47,355 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 17:53:47,356 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 17:53:47,356 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 17:53:47,356 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 17:53:47,356 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 17:53:47,356 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 17:53:47,361 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-10-13 17:53:47,362 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 17:53:47,362 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,362 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,362 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 17:53:47,363 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 17:53:47,364 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 17:53:47,364 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 17:53:47,364 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 17:53:47,367 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 17:53:47,367 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 17:53:47,367 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 17:53:47,367 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 17:53:47,368 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 17:53:47,368 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 17:53:47,368 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 17:53:47,368 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 17:53:47,368 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 17:53:47,369 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,369 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,369 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,371 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-13 17:53:47,372 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,373 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-13 17:53:47,374 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 17:53:47,375 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,376 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 17:53:47,377 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-13 17:53:47,378 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 17:53:47,378 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 17:53:47,378 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 17:53:47,378 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 17:53:47,378 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,379 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 17:53:47,380 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,381 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 17:53:47,382 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,383 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 17:53:47,384 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 17:53:47,386 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a8~0)| 13))) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse3 (not (<= |old(~a16~0)| 5))) (.cse5 (not (<= |old(~a17~0)| 0))) (.cse1 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse3) .cse1) (or .cse0 .cse4 .cse2 .cse1) (or .cse0 .cse1 (not (<= 15 |old(~a8~0)|))) (or .cse4 .cse2 .cse1 .cse5) (or (or .cse0 .cse3 .cse5) .cse1))) [2019-10-13 17:53:47,386 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 17:53:47,386 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,386 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,387 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,387 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,387 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-13 17:53:47,388 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,388 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,388 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 17:53:47,389 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 17:53:47,390 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,391 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,391 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,391 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,391 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,392 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 17:53:47,393 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,393 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 17:53:47,393 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 17:53:47,393 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 17:53:47,393 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 17:53:47,394 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 17:53:47,395 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 17:53:47,395 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 17:53:47,395 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 17:53:47,395 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 17:53:47,396 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 17:53:47,396 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 17:53:47,396 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 17:53:47,396 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 17:53:47,396 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,397 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 17:53:47,398 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 17:53:47,399 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 17:53:47,399 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 17:53:47,399 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 17:53:47,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:47,399 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (<= 5 ~a16~0) (= ~a21~0 1) (= ~a20~0 1)) [2019-10-13 17:53:47,400 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:53:47,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:47,400 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 1 |old(~a21~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|))) [2019-10-13 17:53:47,400 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:47,400 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1)) (.cse1 (<= ~a16~0 5)) (.cse4 (<= ~a17~0 0)) (.cse0 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse0 .cse2) (and .cse3 .cse0 .cse2) (and .cse3 .cse1) (and .cse3 .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse4 .cse0))) [2019-10-13 17:53:47,401 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 17:53:47,401 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 17:53:47,401 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1)) (.cse1 (<= ~a16~0 5)) (.cse4 (<= ~a17~0 0)) (.cse0 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse0) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse0 .cse2) (and .cse3 .cse0 .cse2) (and .cse3 .cse1) (and .cse3 .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse4 .cse0))) [2019-10-13 17:53:47,401 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:47,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:53:47 BoogieIcfgContainer [2019-10-13 17:53:47,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:53:47,454 INFO L168 Benchmark]: Toolchain (without parser) took 15708.11 ms. Allocated memory was 143.7 MB in the beginning and 415.8 MB in the end (delta: 272.1 MB). Free memory was 98.3 MB in the beginning and 114.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 255.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,456 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.04 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 98.1 MB in the beginning and 169.8 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,459 INFO L168 Benchmark]: Boogie Preprocessor took 117.59 ms. Allocated memory is still 205.5 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,460 INFO L168 Benchmark]: RCFGBuilder took 1435.69 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 180.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,462 INFO L168 Benchmark]: TraceAbstraction took 13281.89 ms. Allocated memory was 234.4 MB in the beginning and 415.8 MB in the end (delta: 181.4 MB). Free memory was 178.8 MB in the beginning and 114.9 MB in the end (delta: 63.9 MB). Peak memory consumption was 245.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:47,473 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 868.04 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 98.1 MB in the beginning and 169.8 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.59 ms. Allocated memory is still 205.5 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1435.69 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 180.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13281.89 ms. Allocated memory was 234.4 MB in the beginning and 415.8 MB in the end (delta: 181.4 MB). Free memory was 178.8 MB in the beginning and 114.9 MB in the end (delta: 63.9 MB). Peak memory consumption was 245.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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 == \old(a21)) || (15 <= a8 && a21 == 1)) || !(5 <= \old(a16))) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((a16 <= 5 && a21 == 1) && a20 == 1)) || ((a8 <= 13 && a21 == 1) && a20 == 1)) || (a8 <= 13 && a16 <= 5)) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || !(15 <= \old(a8))) || ((a16 <= 5 && a17 <= 0) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 13.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 582 SDtfs, 1613 SDslu, 149 SDs, 0 SdLazy, 3495 SolverSat, 753 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 795 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1926occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 481 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 77 PreInvPairs, 119 NumberOfFragments, 452 HoareAnnotationTreeSize, 77 FomulaSimplifications, 11818 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1825 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1786 NumberOfCodeBlocks, 1786 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1774 ConstructedInterpolants, 0 QuantifiedInterpolants, 1262884 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2041 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 344/353 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...