java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:54:00,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:54:00,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:54:00,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:54:00,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:54:00,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:54:00,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:54:00,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:54:00,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:54:00,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:54:00,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:54:00,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:54:00,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:54:00,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:54:00,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:54:00,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:54:00,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:54:00,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:54:00,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:54:00,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:54:00,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:54:00,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:54:00,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:54:00,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:54:00,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:54:00,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:54:00,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:54:00,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:54:00,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:54:00,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:54:00,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:54:00,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:54:00,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:54:00,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:54:00,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:54:00,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:54:00,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:54:00,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:54:00,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:54:00,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:54:00,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:54:00,291 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:54:00,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:54:00,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:54:00,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:54:00,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:54:00,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:54:00,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:54:00,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:54:00,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:54:00,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:54:00,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:54:00,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:54:00,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:54:00,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:54:00,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:54:00,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:54:00,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:54:00,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:00,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:54:00,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:54:00,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:54:00,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:54:00,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:54:00,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:54:00,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:54:00,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:54:00,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:54:00,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:54:00,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:54:00,581 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:54:00,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2019-10-13 17:54:00,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/944f90df6/6c57e9a2fcbf4b7cace13000721d6460/FLAGfee7c23cd [2019-10-13 17:54:01,209 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:54:01,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2019-10-13 17:54:01,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/944f90df6/6c57e9a2fcbf4b7cace13000721d6460/FLAGfee7c23cd [2019-10-13 17:54:01,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/944f90df6/6c57e9a2fcbf4b7cace13000721d6460 [2019-10-13 17:54:01,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:54:01,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:54:01,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:01,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:54:01,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:54:01,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:01" (1/1) ... [2019-10-13 17:54:01,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8737d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:01, skipping insertion in model container [2019-10-13 17:54:01,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:01" (1/1) ... [2019-10-13 17:54:01,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:54:01,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:54:02,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:02,072 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:54:02,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:02,193 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:54:02,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02 WrapperNode [2019-10-13 17:54:02,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:02,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:54:02,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:54:02,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:54:02,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... [2019-10-13 17:54:02,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:54:02,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:54:02,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:54:02,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:54:02,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:54:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:54:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:54:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:54:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:54:03,524 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:54:03,524 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:54:03,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:03 BoogieIcfgContainer [2019-10-13 17:54:03,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:54:03,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:54:03,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:54:03,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:54:03,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:54:01" (1/3) ... [2019-10-13 17:54:03,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fe4cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:03, skipping insertion in model container [2019-10-13 17:54:03,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:02" (2/3) ... [2019-10-13 17:54:03,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fe4cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:03, skipping insertion in model container [2019-10-13 17:54:03,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:03" (3/3) ... [2019-10-13 17:54:03,534 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2019-10-13 17:54:03,544 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:54:03,553 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:54:03,566 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:54:03,597 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:54:03,597 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:54:03,597 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:54:03,598 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:54:03,598 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:54:03,598 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:54:03,598 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:54:03,599 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:54:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-13 17:54:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-13 17:54:03,641 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:03,643 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:03,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:03,652 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2019-10-13 17:54:03,661 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:03,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435955972] [2019-10-13 17:54:03,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:03,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:03,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:04,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435955972] [2019-10-13 17:54:04,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:04,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:54:04,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651960134] [2019-10-13 17:54:04,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:54:04,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:04,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:54:04,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:54:04,294 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-13 17:54:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:06,664 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2019-10-13 17:54:06,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:54:06,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2019-10-13 17:54:06,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:06,685 INFO L225 Difference]: With dead ends: 813 [2019-10-13 17:54:06,685 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 17:54:06,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 17:54:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2019-10-13 17:54:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-13 17:54:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2019-10-13 17:54:06,815 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 123 [2019-10-13 17:54:06,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:06,818 INFO L462 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2019-10-13 17:54:06,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:54:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2019-10-13 17:54:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 17:54:06,839 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:06,840 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:06,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:06,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1344572258, now seen corresponding path program 1 times [2019-10-13 17:54:06,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:06,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550451822] [2019-10-13 17:54:06,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:06,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:06,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:07,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550451822] [2019-10-13 17:54:07,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795852199] [2019-10-13 17:54:07,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:07,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:07,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:07,562 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:07,563 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:07,564 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850425011] [2019-10-13 17:54:07,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:07,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:07,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:07,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:07,569 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2019-10-13 17:54:08,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:08,226 INFO L93 Difference]: Finished difference Result 1246 states and 1820 transitions. [2019-10-13 17:54:08,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:08,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-13 17:54:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:08,238 INFO L225 Difference]: With dead ends: 1246 [2019-10-13 17:54:08,238 INFO L226 Difference]: Without dead ends: 771 [2019-10-13 17:54:08,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-10-13 17:54:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 626. [2019-10-13 17:54:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-13 17:54:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2019-10-13 17:54:08,303 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 131 [2019-10-13 17:54:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:08,305 INFO L462 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2019-10-13 17:54:08,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2019-10-13 17:54:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-13 17:54:08,310 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:08,311 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:08,515 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:08,515 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2019-10-13 17:54:08,516 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:08,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841134510] [2019-10-13 17:54:08,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:08,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:08,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:08,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841134510] [2019-10-13 17:54:08,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:08,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:54:08,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042065012] [2019-10-13 17:54:08,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:54:08,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:08,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:54:08,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:08,808 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand 9 states. [2019-10-13 17:54:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:10,927 INFO L93 Difference]: Finished difference Result 2500 states and 3874 transitions. [2019-10-13 17:54:10,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 17:54:10,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2019-10-13 17:54:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:10,946 INFO L225 Difference]: With dead ends: 2500 [2019-10-13 17:54:10,946 INFO L226 Difference]: Without dead ends: 1880 [2019-10-13 17:54:10,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:10,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2019-10-13 17:54:11,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1828. [2019-10-13 17:54:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1828 states. [2019-10-13 17:54:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2656 transitions. [2019-10-13 17:54:11,041 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2656 transitions. Word has length 145 [2019-10-13 17:54:11,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:11,041 INFO L462 AbstractCegarLoop]: Abstraction has 1828 states and 2656 transitions. [2019-10-13 17:54:11,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:54:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2656 transitions. [2019-10-13 17:54:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 17:54:11,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:11,049 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:11,049 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:11,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:11,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2019-10-13 17:54:11,050 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:11,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886655326] [2019-10-13 17:54:11,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:11,051 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:11,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:11,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886655326] [2019-10-13 17:54:11,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044761647] [2019-10-13 17:54:11,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:11,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:11,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:11,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:11,458 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:11,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767826396] [2019-10-13 17:54:11,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:11,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:11,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:11,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:11,461 INFO L87 Difference]: Start difference. First operand 1828 states and 2656 transitions. Second operand 3 states. [2019-10-13 17:54:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:12,015 INFO L93 Difference]: Finished difference Result 4963 states and 7372 transitions. [2019-10-13 17:54:12,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:12,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-13 17:54:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:12,033 INFO L225 Difference]: With dead ends: 4963 [2019-10-13 17:54:12,034 INFO L226 Difference]: Without dead ends: 3141 [2019-10-13 17:54:12,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:12,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2019-10-13 17:54:12,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 2994. [2019-10-13 17:54:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2994 states. [2019-10-13 17:54:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3976 transitions. [2019-10-13 17:54:12,120 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3976 transitions. Word has length 149 [2019-10-13 17:54:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:12,121 INFO L462 AbstractCegarLoop]: Abstraction has 2994 states and 3976 transitions. [2019-10-13 17:54:12,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3976 transitions. [2019-10-13 17:54:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 17:54:12,130 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:12,130 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:12,334 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:12,335 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:12,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:12,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558216, now seen corresponding path program 1 times [2019-10-13 17:54:12,336 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:12,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698818026] [2019-10-13 17:54:12,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:12,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:12,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 17:54:12,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698818026] [2019-10-13 17:54:12,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22531869] [2019-10-13 17:54:12,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:12,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:12,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 17:54:12,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:12,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:12,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104145121] [2019-10-13 17:54:12,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:12,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:12,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:12,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:12,726 INFO L87 Difference]: Start difference. First operand 2994 states and 3976 transitions. Second operand 3 states. [2019-10-13 17:54:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:13,335 INFO L93 Difference]: Finished difference Result 7297 states and 10032 transitions. [2019-10-13 17:54:13,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:13,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-13 17:54:13,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:13,366 INFO L225 Difference]: With dead ends: 7297 [2019-10-13 17:54:13,367 INFO L226 Difference]: Without dead ends: 4309 [2019-10-13 17:54:13,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:13,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2019-10-13 17:54:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 4165. [2019-10-13 17:54:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4165 states. [2019-10-13 17:54:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5430 transitions. [2019-10-13 17:54:13,637 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5430 transitions. Word has length 158 [2019-10-13 17:54:13,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:13,638 INFO L462 AbstractCegarLoop]: Abstraction has 4165 states and 5430 transitions. [2019-10-13 17:54:13,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5430 transitions. [2019-10-13 17:54:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 17:54:13,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:13,655 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:13,858 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:13,859 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:13,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1399604522, now seen corresponding path program 1 times [2019-10-13 17:54:13,860 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:13,860 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567026783] [2019-10-13 17:54:13,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:13,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:13,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:54:14,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567026783] [2019-10-13 17:54:14,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69046984] [2019-10-13 17:54:14,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:14,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:14,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:14,221 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:14,221 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 13 [2019-10-13 17:54:14,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588688387] [2019-10-13 17:54:14,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 17:54:14,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:14,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 17:54:14,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:54:14,223 INFO L87 Difference]: Start difference. First operand 4165 states and 5430 transitions. Second operand 13 states. [2019-10-13 17:54:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:16,614 INFO L93 Difference]: Finished difference Result 8544 states and 11392 transitions. [2019-10-13 17:54:16,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-13 17:54:16,614 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 174 [2019-10-13 17:54:16,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:16,635 INFO L225 Difference]: With dead ends: 8544 [2019-10-13 17:54:16,636 INFO L226 Difference]: Without dead ends: 4385 [2019-10-13 17:54:16,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=554, Unknown=0, NotChecked=0, Total=756 [2019-10-13 17:54:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2019-10-13 17:54:16,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 3197. [2019-10-13 17:54:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3197 states. [2019-10-13 17:54:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 4111 transitions. [2019-10-13 17:54:16,830 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 4111 transitions. Word has length 174 [2019-10-13 17:54:16,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:16,831 INFO L462 AbstractCegarLoop]: Abstraction has 3197 states and 4111 transitions. [2019-10-13 17:54:16,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 17:54:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 4111 transitions. [2019-10-13 17:54:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 17:54:16,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:16,845 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:17,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:17,052 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:17,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:17,053 INFO L82 PathProgramCache]: Analyzing trace with hash 869514523, now seen corresponding path program 1 times [2019-10-13 17:54:17,053 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:17,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665156670] [2019-10-13 17:54:17,054 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:17,054 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:17,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 17:54:17,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665156670] [2019-10-13 17:54:17,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635851282] [2019-10-13 17:54:17,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:17,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 17:54:17,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 17:54:17,488 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:17,488 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-10-13 17:54:17,489 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461009566] [2019-10-13 17:54:17,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:54:17,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:54:17,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:17,490 INFO L87 Difference]: Start difference. First operand 3197 states and 4111 transitions. Second operand 5 states. [2019-10-13 17:54:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:18,245 INFO L93 Difference]: Finished difference Result 7481 states and 9975 transitions. [2019-10-13 17:54:18,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 17:54:18,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-10-13 17:54:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:18,266 INFO L225 Difference]: With dead ends: 7481 [2019-10-13 17:54:18,266 INFO L226 Difference]: Without dead ends: 4290 [2019-10-13 17:54:18,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:54:18,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4290 states. [2019-10-13 17:54:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4290 to 4218. [2019-10-13 17:54:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4218 states. [2019-10-13 17:54:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 4218 states and 5072 transitions. [2019-10-13 17:54:18,405 INFO L78 Accepts]: Start accepts. Automaton has 4218 states and 5072 transitions. Word has length 182 [2019-10-13 17:54:18,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:18,406 INFO L462 AbstractCegarLoop]: Abstraction has 4218 states and 5072 transitions. [2019-10-13 17:54:18,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:54:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4218 states and 5072 transitions. [2019-10-13 17:54:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-13 17:54:18,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:18,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:18,629 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:18,630 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:18,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:18,630 INFO L82 PathProgramCache]: Analyzing trace with hash -726614399, now seen corresponding path program 1 times [2019-10-13 17:54:18,630 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:18,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612152781] [2019-10-13 17:54:18,631 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:18,631 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:18,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 17:54:18,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612152781] [2019-10-13 17:54:18,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525026760] [2019-10-13 17:54:18,952 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 [2019-10-13 17:54:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:19,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:54:19,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 17:54:19,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:19,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-10-13 17:54:19,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598118087] [2019-10-13 17:54:19,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:19,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:19,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:19,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:54:19,137 INFO L87 Difference]: Start difference. First operand 4218 states and 5072 transitions. Second operand 3 states. [2019-10-13 17:54:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:19,599 INFO L93 Difference]: Finished difference Result 7387 states and 8893 transitions. [2019-10-13 17:54:19,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:19,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2019-10-13 17:54:19,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:19,601 INFO L225 Difference]: With dead ends: 7387 [2019-10-13 17:54:19,601 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:54:19,616 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:54:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:54:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:54:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:54:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:54:19,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2019-10-13 17:54:19,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:19,617 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:54:19,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:54:19,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:54:19,822 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:19,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:54:20,733 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 52 [2019-10-13 17:54:20,950 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 47 [2019-10-13 17:54:21,133 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 47 [2019-10-13 17:54:21,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:21,138 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:54:21,138 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:21,138 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 17:54:21,139 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,140 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 17:54:21,141 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:21,144 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 17:54:21,145 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 17:54:21,146 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 17:54:21,147 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,148 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-13 17:54:21,149 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,150 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 17:54:21,151 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 17:54:21,152 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|))) (let ((.cse1 (not (<= |old(~a28~0)| 8))) (.cse6 (not (<= |old(~a11~0)| 0))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse0 (not (<= 8 |old(~a17~0)|))) (.cse3 (not (<= |old(~a25~0)| 0))) (.cse4 (not (<= |old(~a17~0)| 8))) (.cse2 (and .cse7 .cse8 .cse10 .cse9 .cse11))) (and (or (= 1 |old(~a11~0)|) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 |old(~a25~0)|)) .cse4 .cse2) (or (or (not (<= |old(~a28~0)| 7)) .cse0 .cse3 .cse4) .cse2) (or .cse5 .cse3 .cse4 .cse6 .cse2) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse5 (or .cse0 .cse3 .cse4)) (or (or (not (<= 10 |old(~a28~0)|)) .cse3 .cse4) .cse2)))) [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,153 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 17:54:21,154 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 17:54:21,155 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 17:54:21,156 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:21,157 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:21,158 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 17:54:21,158 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 17:54:21,158 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:21,158 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (<= 8 ~a17~0) (= ~a19~0 1) (<= ~a11~0 0) (<= ~a25~0 0) (<= ~a17~0 8)) [2019-10-13 17:54:21,158 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:54:21,158 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:21,158 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (<= |old(~a17~0)| 8))) [2019-10-13 17:54:21,158 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 8)) (.cse4 (<= 8 ~a17~0)) (.cse1 (<= ~a11~0 0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (and (<= 10 ~a28~0) .cse3 .cse2) (and (<= ~a28~0 7) .cse4 .cse3 .cse2) (and (not (= 1 ~a11~0)) .cse4 .cse0 .cse3 .cse2) (and .cse4 (= ~a19~0 1) .cse3 .cse2) (not (<= |old(~a17~0)| 8)) (and (= ~a25~0 1) .cse2) (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2 .cse3))) [2019-10-13 17:54:21,160 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:21,160 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:21,161 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 8)) (.cse4 (<= 8 ~a17~0)) (.cse1 (<= ~a11~0 0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (and (<= 10 ~a28~0) .cse3 .cse2) (and (<= ~a28~0 7) .cse4 .cse3 .cse2) (and (not (= 1 ~a11~0)) .cse4 .cse0 .cse3 .cse2) (and .cse4 (= ~a19~0 1) .cse3 .cse2) (not (<= |old(~a17~0)| 8)) (and (= ~a25~0 1) .cse2) (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2 .cse3))) [2019-10-13 17:54:21,161 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 17:54:21,161 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 17:54:21,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:54:21 BoogieIcfgContainer [2019-10-13 17:54:21,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:54:21,214 INFO L168 Benchmark]: Toolchain (without parser) took 19719.54 ms. Allocated memory was 138.4 MB in the beginning and 538.4 MB in the end (delta: 400.0 MB). Free memory was 100.8 MB in the beginning and 255.1 MB in the end (delta: -154.3 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,215 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.47 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,217 INFO L168 Benchmark]: Boogie Preprocessor took 109.50 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,219 INFO L168 Benchmark]: RCFGBuilder took 1221.35 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 182.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,219 INFO L168 Benchmark]: TraceAbstraction took 17685.13 ms. Allocated memory was 238.0 MB in the beginning and 538.4 MB in the end (delta: 300.4 MB). Free memory was 181.5 MB in the beginning and 255.1 MB in the end (delta: -73.6 MB). Peak memory consumption was 351.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:21,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.47 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 171.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.50 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1221.35 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 182.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17685.13 ms. Allocated memory was 238.0 MB in the beginning and 538.4 MB in the end (delta: 300.4 MB). Free memory was 181.5 MB in the beginning and 255.1 MB in the end (delta: -73.6 MB). Peak memory consumption was 351.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a28) <= 7) || !(8 <= \old(a17))) || !(\old(a25) <= 0)) || !(\old(a11) <= 0)) || (((a28 <= 8 && a11 <= 0) && a17 <= 8) && a25 <= 0)) || !(1 == \old(a19))) || ((10 <= a28 && a25 <= 0) && a17 <= 8)) || (((a28 <= 7 && 8 <= a17) && a25 <= 0) && a17 <= 8)) || ((((!(1 == a11) && 8 <= a17) && a28 <= 8) && a25 <= 0) && a17 <= 8)) || (((8 <= a17 && a19 == 1) && a25 <= 0) && a17 <= 8)) || !(\old(a17) <= 8)) || (a25 == 1 && a17 <= 8)) || (((a11 <= 0 && a19 == \old(a19)) && a17 <= 8) && a25 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 17.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 768 SDtfs, 4317 SDslu, 346 SDs, 0 SdLazy, 5373 SolverSat, 1291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 1059 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4218occurred 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: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 1755 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 188 NumberOfFragments, 561 HoareAnnotationTreeSize, 144 FomulaSimplifications, 15585 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2641 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2314 NumberOfCodeBlocks, 2314 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1317958 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2485 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 697/717 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...