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/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:57:36,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:57:36,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:57:36,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:57:36,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:57:36,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:57:36,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:57:36,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:57:36,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:57:36,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:57:36,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:57:36,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:57:36,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:57:36,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:57:36,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:57:36,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:57:36,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:57:36,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:57:36,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:57:36,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:57:36,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:57:36,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:57:36,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:57:36,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:57:36,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:57:36,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:57:36,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:57:36,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:57:36,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:57:36,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:57:36,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:57:36,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:57:36,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:57:36,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:57:36,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:57:36,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:57:36,095 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 [2019-10-14 21:57:36,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:57:36,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:57:36,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:57:36,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:57:36,110 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:57:36,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:57:36,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:57:36,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:57:36,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:57:36,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:57:36,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:57:36,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:57:36,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:57:36,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:57:36,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:57:36,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:57:36,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:57:36,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:57:36,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:57:36,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:57:36,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:57:36,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:57:36,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:57:36,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:57:36,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:57:36,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:57:36,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:57:36,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:57:36,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:57:36,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:57:36,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:57:36,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:57:36,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:57:36,428 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:57:36,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-10-14 21:57:36,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e69f25a/dca9cc9638f54430b1c92930e8d770c5/FLAG2db10ea36 [2019-10-14 21:57:37,053 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:57:37,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-10-14 21:57:37,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e69f25a/dca9cc9638f54430b1c92930e8d770c5/FLAG2db10ea36 [2019-10-14 21:57:37,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e69f25a/dca9cc9638f54430b1c92930e8d770c5 [2019-10-14 21:57:37,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:57:37,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:57:37,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:57:37,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:57:37,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:57:37,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:37" (1/1) ... [2019-10-14 21:57:37,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6486081b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:37, skipping insertion in model container [2019-10-14 21:57:37,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:37" (1/1) ... [2019-10-14 21:57:37,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:57:37,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:57:37,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:57:37,980 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:57:38,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:57:38,114 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:57:38,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38 WrapperNode [2019-10-14 21:57:38,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:57:38,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:57:38,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:57:38,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:57:38,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (1/1) ... [2019-10-14 21:57:38,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:57:38,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:57:38,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:57:38,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:57:38,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (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 [2019-10-14 21:57:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:57:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:57:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:57:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:57:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:57:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:57:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:57:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:57:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:57:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:57:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:57:39,926 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:57:39,927 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:57:39,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:39 BoogieIcfgContainer [2019-10-14 21:57:39,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:57:39,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:57:39,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:57:39,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:57:39,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:57:37" (1/3) ... [2019-10-14 21:57:39,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559a058e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:39, skipping insertion in model container [2019-10-14 21:57:39,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:38" (2/3) ... [2019-10-14 21:57:39,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559a058e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:39, skipping insertion in model container [2019-10-14 21:57:39,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:39" (3/3) ... [2019-10-14 21:57:39,939 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2019-10-14 21:57:39,950 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:57:39,960 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:57:39,972 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:57:40,013 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:57:40,014 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:57:40,014 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:57:40,014 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:57:40,014 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:57:40,014 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:57:40,015 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:57:40,015 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:57:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-14 21:57:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-14 21:57:40,053 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:40,054 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] [2019-10-14 21:57:40,056 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:40,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times [2019-10-14 21:57:40,067 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:40,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902534580] [2019-10-14 21:57:40,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:40,068 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:40,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:40,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902534580] [2019-10-14 21:57:40,427 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:57:40,427 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:57:40,427 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818235842] [2019-10-14 21:57:40,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:57:40,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:40,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:57:40,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:57:40,450 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-14 21:57:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:42,496 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-10-14 21:57:42,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 21:57:42,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-14 21:57:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:42,515 INFO L225 Difference]: With dead ends: 730 [2019-10-14 21:57:42,515 INFO L226 Difference]: Without dead ends: 447 [2019-10-14 21:57:42,523 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-14 21:57:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-10-14 21:57:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-14 21:57:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2019-10-14 21:57:42,608 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 38 [2019-10-14 21:57:42,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:42,609 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2019-10-14 21:57:42,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:57:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2019-10-14 21:57:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 21:57:42,616 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:42,616 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, 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] [2019-10-14 21:57:42,616 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash -32611371, now seen corresponding path program 1 times [2019-10-14 21:57:42,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:42,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500300924] [2019-10-14 21:57:42,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:42,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:42,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 21:57:42,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500300924] [2019-10-14 21:57:42,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827515835] [2019-10-14 21:57:42,967 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 [2019-10-14 21:57:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:43,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:43,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:57:43,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-14 21:57:43,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905927935] [2019-10-14 21:57:43,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:57:43,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:43,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:57:43,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:57:43,111 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 3 states. [2019-10-14 21:57:43,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:43,672 INFO L93 Difference]: Finished difference Result 880 states and 1232 transitions. [2019-10-14 21:57:43,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:57:43,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-14 21:57:43,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:43,680 INFO L225 Difference]: With dead ends: 880 [2019-10-14 21:57:43,680 INFO L226 Difference]: Without dead ends: 878 [2019-10-14 21:57:43,681 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:57:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-10-14 21:57:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 733. [2019-10-14 21:57:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-14 21:57:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1056 transitions. [2019-10-14 21:57:43,737 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1056 transitions. Word has length 125 [2019-10-14 21:57:43,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:43,738 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 1056 transitions. [2019-10-14 21:57:43,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:57:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1056 transitions. [2019-10-14 21:57:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-14 21:57:43,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:43,752 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:43,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:43,961 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:43,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:43,962 INFO L82 PathProgramCache]: Analyzing trace with hash -722844368, now seen corresponding path program 1 times [2019-10-14 21:57:43,962 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:43,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706536709] [2019-10-14 21:57:43,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:43,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:43,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-14 21:57:44,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706536709] [2019-10-14 21:57:44,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48262020] [2019-10-14 21:57:44,270 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 [2019-10-14 21:57:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:44,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:44,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-14 21:57:44,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:57:44,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:57:44,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272601811] [2019-10-14 21:57:44,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:57:44,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:44,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:57:44,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:44,459 INFO L87 Difference]: Start difference. First operand 733 states and 1056 transitions. Second operand 3 states. [2019-10-14 21:57:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:45,105 INFO L93 Difference]: Finished difference Result 1170 states and 1687 transitions. [2019-10-14 21:57:45,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:57:45,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-10-14 21:57:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:45,113 INFO L225 Difference]: With dead ends: 1170 [2019-10-14 21:57:45,113 INFO L226 Difference]: Without dead ends: 1168 [2019-10-14 21:57:45,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2019-10-14 21:57:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 880. [2019-10-14 21:57:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2019-10-14 21:57:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1293 transitions. [2019-10-14 21:57:45,147 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1293 transitions. Word has length 215 [2019-10-14 21:57:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:45,148 INFO L462 AbstractCegarLoop]: Abstraction has 880 states and 1293 transitions. [2019-10-14 21:57:45,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:57:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1293 transitions. [2019-10-14 21:57:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-14 21:57:45,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:45,156 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:45,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:45,361 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:45,361 INFO L82 PathProgramCache]: Analyzing trace with hash 533564678, now seen corresponding path program 1 times [2019-10-14 21:57:45,361 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:45,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435383634] [2019-10-14 21:57:45,362 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:45,362 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:45,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:57:45,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435383634] [2019-10-14 21:57:45,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799223747] [2019-10-14 21:57:45,814 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 [2019-10-14 21:57:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:45,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:45,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:46,000 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:57:46,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:57:46,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590028192] [2019-10-14 21:57:46,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:57:46,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:46,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:57:46,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:57:46,003 INFO L87 Difference]: Start difference. First operand 880 states and 1293 transitions. Second operand 11 states. [2019-10-14 21:57:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:49,075 INFO L93 Difference]: Finished difference Result 2533 states and 3837 transitions. [2019-10-14 21:57:49,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-14 21:57:49,075 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2019-10-14 21:57:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:49,085 INFO L225 Difference]: With dead ends: 2533 [2019-10-14 21:57:49,085 INFO L226 Difference]: Without dead ends: 1659 [2019-10-14 21:57:49,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2019-10-14 21:57:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-14 21:57:49,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1045. [2019-10-14 21:57:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-14 21:57:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1287 transitions. [2019-10-14 21:57:49,130 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1287 transitions. Word has length 233 [2019-10-14 21:57:49,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:49,130 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 1287 transitions. [2019-10-14 21:57:49,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:57:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1287 transitions. [2019-10-14 21:57:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-14 21:57:49,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:49,135 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:49,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:49,346 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:49,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:49,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1460015851, now seen corresponding path program 1 times [2019-10-14 21:57:49,348 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:49,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26555664] [2019-10-14 21:57:49,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:49,349 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:49,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:57:49,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26555664] [2019-10-14 21:57:49,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98117778] [2019-10-14 21:57:49,711 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 [2019-10-14 21:57:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:49,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:49,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:49,879 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:57:49,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:57:49,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669723641] [2019-10-14 21:57:49,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:57:49,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:49,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:57:49,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:57:49,881 INFO L87 Difference]: Start difference. First operand 1045 states and 1287 transitions. Second operand 11 states. [2019-10-14 21:57:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:52,713 INFO L93 Difference]: Finished difference Result 3541 states and 4822 transitions. [2019-10-14 21:57:52,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 21:57:52,713 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 242 [2019-10-14 21:57:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:52,721 INFO L225 Difference]: With dead ends: 3541 [2019-10-14 21:57:52,722 INFO L226 Difference]: Without dead ends: 1268 [2019-10-14 21:57:52,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-14 21:57:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2019-10-14 21:57:52,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1236. [2019-10-14 21:57:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2019-10-14 21:57:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1517 transitions. [2019-10-14 21:57:52,773 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1517 transitions. Word has length 242 [2019-10-14 21:57:52,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:52,774 INFO L462 AbstractCegarLoop]: Abstraction has 1236 states and 1517 transitions. [2019-10-14 21:57:52,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:57:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1517 transitions. [2019-10-14 21:57:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-14 21:57:52,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:52,782 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:57:52,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:52,986 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:52,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:52,988 INFO L82 PathProgramCache]: Analyzing trace with hash 504642803, now seen corresponding path program 1 times [2019-10-14 21:57:52,988 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:52,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071712813] [2019-10-14 21:57:52,988 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:52,989 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:52,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:57:53,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071712813] [2019-10-14 21:57:53,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762815882] [2019-10-14 21:57:53,371 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 [2019-10-14 21:57:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:53,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:53,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:53,638 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:57:53,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-14 21:57:53,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915608797] [2019-10-14 21:57:53,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:57:53,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:53,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:57:53,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:57:53,641 INFO L87 Difference]: Start difference. First operand 1236 states and 1517 transitions. Second operand 11 states. [2019-10-14 21:57:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:54,908 INFO L93 Difference]: Finished difference Result 2436 states and 2969 transitions. [2019-10-14 21:57:54,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:57:54,908 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 278 [2019-10-14 21:57:54,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:54,915 INFO L225 Difference]: With dead ends: 2436 [2019-10-14 21:57:54,915 INFO L226 Difference]: Without dead ends: 1226 [2019-10-14 21:57:54,920 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 280 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:57:54,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2019-10-14 21:57:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1196. [2019-10-14 21:57:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2019-10-14 21:57:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1398 transitions. [2019-10-14 21:57:54,958 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1398 transitions. Word has length 278 [2019-10-14 21:57:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:54,959 INFO L462 AbstractCegarLoop]: Abstraction has 1196 states and 1398 transitions. [2019-10-14 21:57:54,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:57:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1398 transitions. [2019-10-14 21:57:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-14 21:57:54,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:54,966 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:55,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:55,170 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:55,170 INFO L82 PathProgramCache]: Analyzing trace with hash -880389580, now seen corresponding path program 1 times [2019-10-14 21:57:55,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:55,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297693333] [2019-10-14 21:57:55,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:55,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:55,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 279 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-14 21:57:55,788 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297693333] [2019-10-14 21:57:55,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561664382] [2019-10-14 21:57:55,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:55,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:55,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-14 21:57:56,066 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:57:56,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-14 21:57:56,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791312536] [2019-10-14 21:57:56,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:57:56,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:56,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:57:56,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:57:56,068 INFO L87 Difference]: Start difference. First operand 1196 states and 1398 transitions. Second operand 9 states. [2019-10-14 21:57:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:57,674 INFO L93 Difference]: Finished difference Result 3334 states and 4180 transitions. [2019-10-14 21:57:57,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:57:57,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 350 [2019-10-14 21:57:57,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:57,687 INFO L225 Difference]: With dead ends: 3334 [2019-10-14 21:57:57,687 INFO L226 Difference]: Without dead ends: 2144 [2019-10-14 21:57:57,691 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:57:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2019-10-14 21:57:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2080. [2019-10-14 21:57:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2019-10-14 21:57:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2413 transitions. [2019-10-14 21:57:57,740 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2413 transitions. Word has length 350 [2019-10-14 21:57:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:57,741 INFO L462 AbstractCegarLoop]: Abstraction has 2080 states and 2413 transitions. [2019-10-14 21:57:57,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:57:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2413 transitions. [2019-10-14 21:57:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-14 21:57:57,751 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:57,751 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:57,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:57,958 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:57,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:57,958 INFO L82 PathProgramCache]: Analyzing trace with hash -932458931, now seen corresponding path program 1 times [2019-10-14 21:57:57,959 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:57,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053758229] [2019-10-14 21:57:57,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:57,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:57,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-14 21:57:58,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053758229] [2019-10-14 21:57:58,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951572278] [2019-10-14 21:57:58,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:58,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:58,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-14 21:57:58,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:57:58,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:57:58,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841786449] [2019-10-14 21:57:58,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:57:58,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:58,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:57:58,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:58,489 INFO L87 Difference]: Start difference. First operand 2080 states and 2413 transitions. Second operand 3 states. [2019-10-14 21:57:58,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:58,973 INFO L93 Difference]: Finished difference Result 2080 states and 2413 transitions. [2019-10-14 21:57:58,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:57:58,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-10-14 21:57:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:58,975 INFO L225 Difference]: With dead ends: 2080 [2019-10-14 21:57:58,975 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:57:58,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:58,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:57:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:57:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:57:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:57:58,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2019-10-14 21:57:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:58,982 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:57:58,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:57:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:57:58,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:57:59,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:59,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:57:59,542 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 101 [2019-10-14 21:57:59,741 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 101 [2019-10-14 21:58:00,245 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 29 [2019-10-14 21:58:00,440 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2019-10-14 21:58:00,622 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2019-10-14 21:58:00,625 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:58:00,625 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-14 21:58:00,625 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:58:00,625 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-14 21:58:00,626 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-14 21:58:00,627 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-14 21:58:00,628 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-14 21:58:00,629 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-14 21:58:00,630 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-14 21:58:00,630 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-14 21:58:00,630 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-14 21:58:00,630 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,631 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,631 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,631 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,631 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-14 21:58:00,632 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,633 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,636 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,636 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-14 21:58:00,636 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-14 21:58:00,637 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-14 21:58:00,638 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-14 21:58:00,638 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-14 21:58:00,638 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-14 21:58:00,638 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,638 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-14 21:58:00,639 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,640 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-14 21:58:00,641 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-14 21:58:00,641 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-14 21:58:00,641 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-14 21:58:00,641 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 21:58:00,641 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-14 21:58:00,642 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 21:58:00,642 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-14 21:58:00,642 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-14 21:58:00,642 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-14 21:58:00,642 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,643 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-14 21:58:00,644 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,645 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-14 21:58:00,646 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-14 21:58:00,647 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-14 21:58:00,647 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-14 21:58:00,647 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-14 21:58:00,647 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-14 21:58:00,647 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-14 21:58:00,648 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse3 .cse1 .cse2))) (and (or (not (= 8 |old(~a19~0)|)) .cse0) (or (not (<= |old(~a19~0)| 9)) .cse0 (not (<= 9 |old(~a19~0)|))) (or (= 4 |old(~a10~0)|) (and .cse1 .cse2 .cse3)) (or .cse0 (not (<= |old(~a19~0)| 6)))))) [2019-10-14 21:58:00,648 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-14 21:58:00,648 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-14 21:58:00,649 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-14 21:58:00,650 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,651 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-14 21:58:00,652 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-14 21:58:00,653 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-14 21:58:00,654 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-14 21:58:00,655 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-14 21:58:00,655 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:58:00,655 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-14 21:58:00,655 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:58:00,655 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:58:00,656 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|))) [2019-10-14 21:58:00,656 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:58:00,656 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a19~0 6) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (= ~a10~0 4)) (= ~a19~0 8) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-14 21:58:00,656 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-14 21:58:00,656 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-14 21:58:00,656 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a19~0 6) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (= ~a10~0 4)) (= ~a19~0 8) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-14 21:58:00,656 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:58:00,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:58:00 BoogieIcfgContainer [2019-10-14 21:58:00,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:58:00,684 INFO L168 Benchmark]: Toolchain (without parser) took 23292.63 ms. Allocated memory was 144.7 MB in the beginning and 601.4 MB in the end (delta: 456.7 MB). Free memory was 101.2 MB in the beginning and 460.8 MB in the end (delta: -359.6 MB). Peak memory consumption was 476.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,685 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.78 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,687 INFO L168 Benchmark]: Boogie Preprocessor took 112.21 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,688 INFO L168 Benchmark]: RCFGBuilder took 1699.98 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 182.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,688 INFO L168 Benchmark]: TraceAbstraction took 20753.29 ms. Allocated memory was 236.5 MB in the beginning and 601.4 MB in the end (delta: 364.9 MB). Free memory was 180.8 MB in the beginning and 460.8 MB in the end (delta: -280.0 MB). Peak memory consumption was 463.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:58:00,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.78 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 170.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.21 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1699.98 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 182.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20753.29 ms. Allocated memory was 236.5 MB in the beginning and 601.4 MB in the end (delta: 364.9 MB). Free memory was 180.8 MB in the beginning and 460.8 MB in the end (delta: -280.0 MB). Peak memory consumption was 463.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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: 582]: Loop Invariant Derived loop invariant: (((((a19 <= 6 || (a19 <= 9 && 9 <= a19)) || !(a10 == 4)) || a19 == 8) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 20.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 420 SDtfs, 3579 SDslu, 311 SDs, 0 SdLazy, 8437 SolverSat, 1695 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1950 GetRequests, 1859 SyntacticMatches, 5 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 78 PreInvPairs, 152 NumberOfFragments, 189 HoareAnnotationTreeSize, 78 FomulaSimplifications, 66709 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3534 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3650 NumberOfCodeBlocks, 3650 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3635 ConstructedInterpolants, 0 QuantifiedInterpolants, 2209746 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3063 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 2698/2720 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...