/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:37:56,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:37:56,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:37:56,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:37:56,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:37:56,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:37:56,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:37:56,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:37:56,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:37:56,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:37:56,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:37:56,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:37:56,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:37:56,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:37:56,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:37:56,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:37:56,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:37:56,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:37:56,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:37:56,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:37:56,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:37:56,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:37:56,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:37:56,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:37:56,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:37:56,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:37:56,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:37:56,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:37:56,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:37:56,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:37:56,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:37:56,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:37:56,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:37:56,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:37:56,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:37:56,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:37:56,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:37:56,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:37:56,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:37:56,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:37:56,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:37:56,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:37:56,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:37:56,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:37:56,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:37:56,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:37:56,284 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:37:56,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:37:56,284 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:37:56,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:37:56,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:37:56,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:37:56,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:37:56,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:37:56,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:37:56,285 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:37:56,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:37:56,286 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:37:56,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:37:56,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:37:56,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:37:56,287 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:37:56,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:37:56,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:37:56,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:37:56,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:37:56,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:37:56,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:37:56,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:37:56,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:37:56,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:37:56,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:37:56,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:37:56,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:37:56,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:37:56,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:37:56,623 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:37:56,624 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-07-19 21:37:56,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe335ea9/df267422dc7b40ddbd88f3c5f8f3cd7f/FLAG87bd9119c [2020-07-19 21:37:57,216 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:37:57,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2020-07-19 21:37:57,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe335ea9/df267422dc7b40ddbd88f3c5f8f3cd7f/FLAG87bd9119c [2020-07-19 21:37:57,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe335ea9/df267422dc7b40ddbd88f3c5f8f3cd7f [2020-07-19 21:37:57,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:37:57,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:37:57,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:57,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:37:57,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:37:57,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:57" (1/1) ... [2020-07-19 21:37:57,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6490c495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:57, skipping insertion in model container [2020-07-19 21:37:57,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:57" (1/1) ... [2020-07-19 21:37:57,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:37:57,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:37:58,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:58,030 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:37:58,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:58,325 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:37:58,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58 WrapperNode [2020-07-19 21:37:58,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:58,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:37:58,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:37:58,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:37:58,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... [2020-07-19 21:37:58,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:37:58,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:37:58,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:37:58,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:37:58,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:37:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:37:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:37:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:37:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:37:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:37:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:37:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:37:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:37:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:37:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:37:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:37:59,970 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:37:59,971 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:37:59,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:59 BoogieIcfgContainer [2020-07-19 21:37:59,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:37:59,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:37:59,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:37:59,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:37:59,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:37:57" (1/3) ... [2020-07-19 21:37:59,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eb1ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:59, skipping insertion in model container [2020-07-19 21:37:59,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:58" (2/3) ... [2020-07-19 21:37:59,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eb1ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:59, skipping insertion in model container [2020-07-19 21:37:59,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:59" (3/3) ... [2020-07-19 21:37:59,996 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label11.c [2020-07-19 21:38:00,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:38:00,029 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:38:00,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:38:00,092 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:38:00,093 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:38:00,093 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:38:00,094 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:38:00,094 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:38:00,094 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:38:00,094 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:38:00,094 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:38:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-19 21:38:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 21:38:00,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:00,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:38:00,149 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:00,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:00,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1918215546, now seen corresponding path program 1 times [2020-07-19 21:38:00,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:00,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790057931] [2020-07-19 21:38:00,172 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:38:00,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790057931] [2020-07-19 21:38:00,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:38:00,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:38:00,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753307279] [2020-07-19 21:38:00,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:38:00,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:00,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:38:00,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:38:00,668 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-19 21:38:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:02,877 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-19 21:38:02,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:38:02,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-07-19 21:38:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:02,915 INFO L225 Difference]: With dead ends: 730 [2020-07-19 21:38:02,917 INFO L226 Difference]: Without dead ends: 447 [2020-07-19 21:38:02,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:38:02,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-19 21:38:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-19 21:38:03,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-19 21:38:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 615 transitions. [2020-07-19 21:38:03,027 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 615 transitions. Word has length 67 [2020-07-19 21:38:03,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:03,028 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 615 transitions. [2020-07-19 21:38:03,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:38:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 615 transitions. [2020-07-19 21:38:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-19 21:38:03,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:03,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:38:03,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:38:03,038 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:03,039 INFO L82 PathProgramCache]: Analyzing trace with hash 387828613, now seen corresponding path program 1 times [2020-07-19 21:38:03,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:03,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357381661] [2020-07-19 21:38:03,039 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:38:03,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357381661] [2020-07-19 21:38:03,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:38:03,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:38:03,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697033069] [2020-07-19 21:38:03,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:38:03,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:03,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:38:03,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:38:03,442 INFO L87 Difference]: Start difference. First operand 443 states and 615 transitions. Second operand 7 states. [2020-07-19 21:38:04,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:04,788 INFO L93 Difference]: Finished difference Result 1033 states and 1409 transitions. [2020-07-19 21:38:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:38:04,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-07-19 21:38:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:04,793 INFO L225 Difference]: With dead ends: 1033 [2020-07-19 21:38:04,793 INFO L226 Difference]: Without dead ends: 596 [2020-07-19 21:38:04,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:38:04,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-19 21:38:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 592. [2020-07-19 21:38:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-19 21:38:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 781 transitions. [2020-07-19 21:38:04,841 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 781 transitions. Word has length 144 [2020-07-19 21:38:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:04,842 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 781 transitions. [2020-07-19 21:38:04,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:38:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 781 transitions. [2020-07-19 21:38:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-19 21:38:04,849 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:04,849 INFO L422 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:38:04,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:38:04,850 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:04,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:04,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1146813015, now seen corresponding path program 1 times [2020-07-19 21:38:04,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:04,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672364864] [2020-07-19 21:38:04,851 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 112 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 21:38:05,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672364864] [2020-07-19 21:38:05,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19192323] [2020-07-19 21:38:05,157 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:05,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:38:05,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:38:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-19 21:38:05,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:38:05,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-19 21:38:05,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500442272] [2020-07-19 21:38:05,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:38:05,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:05,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:38:05,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:38:05,562 INFO L87 Difference]: Start difference. First operand 592 states and 781 transitions. Second operand 3 states. [2020-07-19 21:38:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:06,252 INFO L93 Difference]: Finished difference Result 1033 states and 1429 transitions. [2020-07-19 21:38:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:38:06,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-07-19 21:38:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:06,262 INFO L225 Difference]: With dead ends: 1033 [2020-07-19 21:38:06,263 INFO L226 Difference]: Without dead ends: 1031 [2020-07-19 21:38:06,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:38:06,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2020-07-19 21:38:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 739. [2020-07-19 21:38:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-07-19 21:38:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1014 transitions. [2020-07-19 21:38:06,324 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1014 transitions. Word has length 214 [2020-07-19 21:38:06,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:06,327 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1014 transitions. [2020-07-19 21:38:06,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:38:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1014 transitions. [2020-07-19 21:38:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-07-19 21:38:06,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:06,334 INFO L422 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:38:06,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 21:38:06,549 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:06,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1807493347, now seen corresponding path program 1 times [2020-07-19 21:38:06,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:06,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284864542] [2020-07-19 21:38:06,551 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:38:07,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284864542] [2020-07-19 21:38:07,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461826610] [2020-07-19 21:38:07,344 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:07,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:38:07,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:38:07,559 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:38:07,559 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:38:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:38:07,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:38:07,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2020-07-19 21:38:07,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524110306] [2020-07-19 21:38:07,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-19 21:38:07,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:07,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-19 21:38:07,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:38:07,665 INFO L87 Difference]: Start difference. First operand 739 states and 1014 transitions. Second operand 15 states. [2020-07-19 21:38:08,887 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-07-19 21:38:13,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:13,341 INFO L93 Difference]: Finished difference Result 2277 states and 3471 transitions. [2020-07-19 21:38:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-07-19 21:38:13,344 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 256 [2020-07-19 21:38:13,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:13,356 INFO L225 Difference]: With dead ends: 2277 [2020-07-19 21:38:13,357 INFO L226 Difference]: Without dead ends: 1687 [2020-07-19 21:38:13,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=468, Invalid=1884, Unknown=0, NotChecked=0, Total=2352 [2020-07-19 21:38:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-07-19 21:38:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1649. [2020-07-19 21:38:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-07-19 21:38:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2293 transitions. [2020-07-19 21:38:13,457 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2293 transitions. Word has length 256 [2020-07-19 21:38:13,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:13,458 INFO L479 AbstractCegarLoop]: Abstraction has 1649 states and 2293 transitions. [2020-07-19 21:38:13,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-19 21:38:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2293 transitions. [2020-07-19 21:38:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-07-19 21:38:13,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:13,466 INFO L422 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:38:13,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:13,676 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:13,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:13,677 INFO L82 PathProgramCache]: Analyzing trace with hash -550746410, now seen corresponding path program 1 times [2020-07-19 21:38:13,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:13,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094057916] [2020-07-19 21:38:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 120 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:38:14,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094057916] [2020-07-19 21:38:14,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425454694] [2020-07-19 21:38:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:14,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:38:14,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:38:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 21:38:14,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:38:14,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-19 21:38:14,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698733122] [2020-07-19 21:38:14,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:38:14,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:14,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:38:14,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:38:14,441 INFO L87 Difference]: Start difference. First operand 1649 states and 2293 transitions. Second operand 5 states. [2020-07-19 21:38:15,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:15,574 INFO L93 Difference]: Finished difference Result 3781 states and 5570 transitions. [2020-07-19 21:38:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:38:15,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-07-19 21:38:15,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:15,591 INFO L225 Difference]: With dead ends: 3781 [2020-07-19 21:38:15,592 INFO L226 Difference]: Without dead ends: 2281 [2020-07-19 21:38:15,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:38:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2020-07-19 21:38:15,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2241. [2020-07-19 21:38:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2020-07-19 21:38:15,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2880 transitions. [2020-07-19 21:38:15,714 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2880 transitions. Word has length 281 [2020-07-19 21:38:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:15,715 INFO L479 AbstractCegarLoop]: Abstraction has 2241 states and 2880 transitions. [2020-07-19 21:38:15,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:38:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2880 transitions. [2020-07-19 21:38:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-07-19 21:38:15,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:15,737 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:38:15,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:15,950 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:15,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:15,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2013092669, now seen corresponding path program 1 times [2020-07-19 21:38:15,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:15,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819286563] [2020-07-19 21:38:15,951 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 188 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 21:38:16,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819286563] [2020-07-19 21:38:16,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260144075] [2020-07-19 21:38:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:16,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:38:16,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:38:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 21:38:16,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:38:16,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-19 21:38:16,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081686996] [2020-07-19 21:38:16,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 21:38:16,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:16,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 21:38:16,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:38:16,826 INFO L87 Difference]: Start difference. First operand 2241 states and 2880 transitions. Second operand 13 states. [2020-07-19 21:38:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:38:21,759 INFO L93 Difference]: Finished difference Result 6396 states and 8429 transitions. [2020-07-19 21:38:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 21:38:21,760 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 342 [2020-07-19 21:38:21,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:38:21,777 INFO L225 Difference]: With dead ends: 6396 [2020-07-19 21:38:21,777 INFO L226 Difference]: Without dead ends: 3105 [2020-07-19 21:38:21,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:38:21,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2020-07-19 21:38:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 2376. [2020-07-19 21:38:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2376 states. [2020-07-19 21:38:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2953 transitions. [2020-07-19 21:38:21,866 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2953 transitions. Word has length 342 [2020-07-19 21:38:21,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:38:21,867 INFO L479 AbstractCegarLoop]: Abstraction has 2376 states and 2953 transitions. [2020-07-19 21:38:21,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 21:38:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2953 transitions. [2020-07-19 21:38:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-07-19 21:38:21,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:38:21,879 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:38:22,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:22,093 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:38:22,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:38:22,094 INFO L82 PathProgramCache]: Analyzing trace with hash 348873925, now seen corresponding path program 1 times [2020-07-19 21:38:22,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:38:22,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809327732] [2020-07-19 21:38:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:38:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 255 proven. 187 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 21:38:22,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809327732] [2020-07-19 21:38:22,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880843103] [2020-07-19 21:38:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:38:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:38:22,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:38:22,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:38:23,018 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:38:23,023 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:38:23,026 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,028 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,031 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,033 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,047 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:38:23,053 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:38:23,054 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,055 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,059 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,062 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,067 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,069 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:38:23,079 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,081 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,083 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,086 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:38:23,088 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,090 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,093 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,093 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,094 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:38:23,096 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:38:23,101 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:38:38,074 WARN L193 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-19 21:38:38,149 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 21:38:38,250 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:38:38,251 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:38:38,252 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:38:38,283 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:38:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 386 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 21:38:38,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:38:38,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-19 21:38:38,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008143081] [2020-07-19 21:38:38,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:38:38,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:38:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:38:38,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:38:38,460 INFO L87 Difference]: Start difference. First operand 2376 states and 2953 transitions. Second operand 17 states. [2020-07-19 21:38:39,490 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-07-19 21:38:44,985 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-07-19 21:39:09,474 WARN L193 SmtUtils]: Spent 24.31 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-19 21:39:11,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:39:11,820 INFO L93 Difference]: Finished difference Result 5501 states and 7026 transitions. [2020-07-19 21:39:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-19 21:39:11,821 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 378 [2020-07-19 21:39:11,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:39:11,838 INFO L225 Difference]: With dead ends: 5501 [2020-07-19 21:39:11,839 INFO L226 Difference]: Without dead ends: 3274 [2020-07-19 21:39:11,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=325, Invalid=1397, Unknown=0, NotChecked=0, Total=1722 [2020-07-19 21:39:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3274 states. [2020-07-19 21:39:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3274 to 3115. [2020-07-19 21:39:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3115 states. [2020-07-19 21:39:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 3790 transitions. [2020-07-19 21:39:11,935 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 3790 transitions. Word has length 378 [2020-07-19 21:39:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:39:11,936 INFO L479 AbstractCegarLoop]: Abstraction has 3115 states and 3790 transitions. [2020-07-19 21:39:11,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:39:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3790 transitions. [2020-07-19 21:39:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-07-19 21:39:11,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:39:11,951 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:39:12,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-19 21:39:12,164 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:39:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:39:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash -301430794, now seen corresponding path program 1 times [2020-07-19 21:39:12,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:39:12,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263529673] [2020-07-19 21:39:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:39:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 376 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-19 21:39:13,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263529673] [2020-07-19 21:39:13,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220477339] [2020-07-19 21:39:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:39:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:13,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-19 21:39:13,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:39:13,503 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-07-19 21:39:13,510 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,511 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,512 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:13,512 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,513 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,514 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,514 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,515 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,516 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,518 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,519 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,520 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,521 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,522 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,523 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,524 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,525 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,526 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,526 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,527 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,528 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,529 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,530 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,531 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,531 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,532 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,533 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,534 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,535 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,536 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,537 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,537 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,538 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,539 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,540 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 21:39:13,541 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,542 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,542 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,543 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,544 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,545 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,546 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,547 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,548 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,548 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,550 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,551 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,552 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,552 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,553 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,554 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,555 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 21:39:13,556 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,557 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,559 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:13,560 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,560 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,561 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,562 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,562 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,563 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,564 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,565 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,566 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:13,566 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,567 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,568 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,568 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,569 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,570 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,570 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,571 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,572 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,573 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,574 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,575 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,575 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,576 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,577 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,578 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,579 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:13,580 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,580 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,582 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,583 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:13,584 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,585 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,586 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:13,587 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,587 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,588 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,589 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,590 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,591 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,592 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:13,592 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,593 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,594 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,595 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,596 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:39:13,597 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,597 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,598 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:39:13,599 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:39:15,000 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 49 [2020-07-19 21:39:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 195 proven. 184 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-19 21:39:15,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:39:15,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2020-07-19 21:39:15,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812411746] [2020-07-19 21:39:15,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:39:15,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:39:15,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:39:15,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:39:15,573 INFO L87 Difference]: Start difference. First operand 3115 states and 3790 transitions. Second operand 17 states. [2020-07-19 21:39:15,874 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2020-07-19 21:39:17,160 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2020-07-19 21:39:17,550 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-07-19 21:39:17,767 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-07-19 21:39:18,293 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2020-07-19 21:39:18,700 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-07-19 21:39:19,052 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-07-19 21:39:19,277 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-07-19 21:39:19,536 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-07-19 21:39:19,851 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-07-19 21:39:20,273 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-07-19 21:39:20,530 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2020-07-19 21:39:20,910 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-07-19 21:39:21,241 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 49 [2020-07-19 21:39:21,957 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-07-19 21:39:22,435 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-07-19 21:39:22,627 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-07-19 21:39:22,884 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-07-19 21:39:23,535 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2020-07-19 21:39:24,126 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-07-19 21:39:24,686 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-07-19 21:39:24,866 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2020-07-19 21:39:25,410 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-07-19 21:39:26,360 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-07-19 21:39:26,667 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-19 21:39:27,063 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-07-19 21:39:27,319 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-07-19 21:39:27,471 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-07-19 21:39:27,847 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2020-07-19 21:39:28,068 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-07-19 21:39:28,578 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-07-19 21:39:29,154 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-07-19 21:39:29,595 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-07-19 21:39:30,417 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-07-19 21:39:30,842 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 48 [2020-07-19 21:39:31,224 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2020-07-19 21:39:31,940 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-07-19 21:39:32,546 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-07-19 21:39:32,890 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-07-19 21:39:33,622 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-07-19 21:39:34,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:39:34,516 INFO L93 Difference]: Finished difference Result 6276 states and 7743 transitions. [2020-07-19 21:39:34,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-07-19 21:39:34,517 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 397 [2020-07-19 21:39:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:39:34,531 INFO L225 Difference]: With dead ends: 6276 [2020-07-19 21:39:34,531 INFO L226 Difference]: Without dead ends: 3165 [2020-07-19 21:39:34,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 413 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1968 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1093, Invalid=5069, Unknown=0, NotChecked=0, Total=6162 [2020-07-19 21:39:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2020-07-19 21:39:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 3129. [2020-07-19 21:39:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3129 states. [2020-07-19 21:39:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 3704 transitions. [2020-07-19 21:39:34,627 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 3704 transitions. Word has length 397 [2020-07-19 21:39:34,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:39:34,628 INFO L479 AbstractCegarLoop]: Abstraction has 3129 states and 3704 transitions. [2020-07-19 21:39:34,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:39:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3704 transitions. [2020-07-19 21:39:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-07-19 21:39:34,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:39:34,643 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:39:34,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:39:34,859 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:39:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:39:34,859 INFO L82 PathProgramCache]: Analyzing trace with hash 252720706, now seen corresponding path program 1 times [2020-07-19 21:39:34,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:39:34,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771984929] [2020-07-19 21:39:34,863 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 [2020-07-19 21:39:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-07-19 21:39:35,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771984929] [2020-07-19 21:39:35,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226907357] [2020-07-19 21:39:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@45b6af02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:39:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:39:35,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:39:35,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:39:35,576 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:35,576 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:39:35,577 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:35,578 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:35,578 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:35,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:39:35,581 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:39:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-07-19 21:39:36,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:39:36,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:39:36,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883306108] [2020-07-19 21:39:36,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:39:36,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:39:36,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:39:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:39:36,183 INFO L87 Difference]: Start difference. First operand 3129 states and 3704 transitions. Second operand 3 states. [2020-07-19 21:39:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:39:37,783 INFO L93 Difference]: Finished difference Result 4144 states and 4976 transitions. [2020-07-19 21:39:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:39:37,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 407 [2020-07-19 21:39:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:39:37,788 INFO L225 Difference]: With dead ends: 4144 [2020-07-19 21:39:37,788 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:39:37,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:39:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:39:37,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:39:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:39:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:39:37,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 407 [2020-07-19 21:39:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:39:37,800 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:39:37,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:39:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:39:37,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:39:38,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:39:38,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:39:38,550 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2020-07-19 21:39:38,795 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2020-07-19 21:39:38,995 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 29 [2020-07-19 21:39:40,197 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 260 DAG size of output: 66 [2020-07-19 21:39:41,355 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 243 DAG size of output: 73 [2020-07-19 21:39:42,781 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 243 DAG size of output: 73 [2020-07-19 21:39:42,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:39:42,786 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-19 21:39:42,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:39:42,787 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-19 21:39:42,787 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,787 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,787 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,787 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,788 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,788 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,788 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-19 21:39:42,788 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-19 21:39:42,789 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-19 21:39:42,790 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-07-19 21:39:42,791 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 21:39:42,792 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,793 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 21:39:42,794 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,795 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,796 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-19 21:39:42,797 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 21:39:42,798 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-19 21:39:42,799 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 21:39:42,800 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse9 (= ~a10~0 |old(~a10~0)|)) (.cse10 (= ~a1~0 |old(~a1~0)|))) (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse2 (and .cse9 (= ~a19~0 |old(~a19~0)|) .cse10)) (.cse0 (= 3 |old(~a10~0)|)) (.cse3 (and .cse9 (= 9 ~a19~0) .cse10)) (.cse4 (not (= 0 ~a12~0))) (.cse5 (not (= 14 ~a4~0))) (.cse6 (not (= 9 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or (not (<= |old(~a1~0)| 4)) .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse4 (forall ((v_prenex_6 Int)) (let ((.cse8 (mod v_prenex_6 25))) (let ((.cse7 (mod (+ (* .cse8 5) 10) 25))) (or (= 0 .cse7) (not (<= .cse7 (+ |old(~a1~0)| 12))) (not (< (* 5 .cse8) 65)) (not (< v_prenex_6 0)) (= 0 .cse8))))) .cse5 .cse2) (or .cse4 .cse5 .cse2 (not (<= |old(~a10~0)| 2))) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or (not (<= 23 |old(~a1~0)|)) .cse3 .cse4 .cse5 .cse6)))) [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,801 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 21:39:42,802 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,803 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 21:39:42,804 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,805 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 21:39:42,806 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:39:42,807 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (= 0 ~a12~0) (<= ~a1~0 23) (= 9 ~a19~0) (<= 23 ~a1~0)) [2020-07-19 21:39:42,807 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:39:42,807 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:39:42,808 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (and (= ~a10~0 |old(~a10~0)|) (= 9 ~a19~0) (= ~a1~0 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) (not (= 9 |old(~a19~0)|))) [2020-07-19 21:39:42,808 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-19 21:39:42,808 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= 3 ~a10~0))) (.cse0 (= 9 ~a19~0)) (.cse1 (<= ~a19~0 8)) (.cse3 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0)))) (or (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 |old(~a10~0)|) .cse0 (= ~a1~0 |old(~a1~0)|)) (and .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse3 (<= ~a10~0 2)) (and .cse3 .cse0 .cse2) (and .cse3 (<= 23 ~a1~0) .cse0) (and .cse3 .cse0 (<= ~a1~0 4)) (and .cse1 .cse3 (exists ((v_prenex_6 Int)) (let ((.cse4 (mod v_prenex_6 25))) (let ((.cse5 (mod (+ (* .cse4 5) 10) 25))) (and (not (= 0 .cse4)) (<= .cse5 (+ ~a1~0 12)) (< (* 5 .cse4) 65) (< v_prenex_6 0) (not (= 0 .cse5))))))))) [2020-07-19 21:39:42,808 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-19 21:39:42,808 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 21:39:42,809 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= 3 ~a10~0))) (.cse0 (= 9 ~a19~0)) (.cse1 (<= ~a19~0 8)) (.cse3 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0)))) (or (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 |old(~a10~0)|) .cse0 (= ~a1~0 |old(~a1~0)|)) (and .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse3 (<= ~a10~0 2)) (and .cse3 .cse0 .cse2) (and .cse3 (<= 23 ~a1~0) .cse0) (and .cse3 .cse0 (<= ~a1~0 4)) (and .cse1 .cse3 (exists ((v_prenex_6 Int)) (let ((.cse4 (mod v_prenex_6 25))) (let ((.cse5 (mod (+ (* .cse4 5) 10) 25))) (and (not (= 0 .cse4)) (<= .cse5 (+ ~a1~0 12)) (< (* 5 .cse4) 65) (< v_prenex_6 0) (not (= 0 .cse5))))))))) [2020-07-19 21:39:42,809 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-19 21:39:42,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,831 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:39:42 BoogieIcfgContainer [2020-07-19 21:39:42,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:39:42,843 INFO L168 Benchmark]: Toolchain (without parser) took 105353.74 ms. Allocated memory was 145.2 MB in the beginning and 761.3 MB in the end (delta: 616.0 MB). Free memory was 101.7 MB in the beginning and 402.8 MB in the end (delta: -301.1 MB). Peak memory consumption was 609.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:39:42,844 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 145.2 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 21:39:42,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.95 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 171.9 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:39:42,845 INFO L168 Benchmark]: Boogie Preprocessor took 121.90 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 166.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:39:42,846 INFO L168 Benchmark]: RCFGBuilder took 1531.96 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 182.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:39:42,847 INFO L168 Benchmark]: TraceAbstraction took 102857.31 ms. Allocated memory was 236.5 MB in the beginning and 761.3 MB in the end (delta: 524.8 MB). Free memory was 182.1 MB in the beginning and 402.8 MB in the end (delta: -220.6 MB). Peak memory consumption was 598.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:39:42,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 145.2 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 833.95 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.3 MB in the beginning and 171.9 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.90 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 166.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1531.96 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 182.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 102857.31 ms. Allocated memory was 236.5 MB in the beginning and 761.3 MB in the end (delta: 524.8 MB). Free memory was 182.1 MB in the beginning and 402.8 MB in the end (delta: -220.6 MB). Peak memory consumption was 598.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2020-07-19 21:39:42,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2020-07-19 21:39:42,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: ((((((((((((!(\old(a1) <= 23) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || ((a10 == \old(a10) && 9 == a19) && a1 == \old(a1))) || (a19 <= 8 && !(3 == a10))) || !(0 == a12)) || ((0 == \old(a10) || \old(a1) + 13 <= 0) && a10 <= 2)) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && 9 == a19) && !(3 == a10))) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && 23 <= a1) && 9 == a19)) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && 9 == a19) && a1 <= 4)) || ((a19 <= 8 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && (\exists v_prenex_6 : int :: (((!(0 == v_prenex_6 % 25) && (v_prenex_6 % 25 * 5 + 10) % 25 <= a1 + 12) && 5 * (v_prenex_6 % 25) < 65) && v_prenex_6 < 0) && !(0 == (v_prenex_6 % 25 * 5 + 10) % 25))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 70.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 9453 SDslu, 614 SDs, 0 SdLazy, 16428 SolverSat, 4081 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2603 GetRequests, 2368 SyntacticMatches, 2 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3294 ImplicationChecksByTransitivity, 57.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3129occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1302 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 112 PreInvPairs, 190 NumberOfFragments, 605 HoareAnnotationTreeSize, 112 FomulaSimplifications, 27652 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16046 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 4761 NumberOfCodeBlocks, 4761 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4745 ConstructedInterpolants, 132 QuantifiedInterpolants, 7144161 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3624 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 4124/4826 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...