/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/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:40:42,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:40:42,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:40:42,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:40:42,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:40:42,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:40:42,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:40:42,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:40:42,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:40:42,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:40:42,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:40:42,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:40:42,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:40:42,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:40:42,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:40:42,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:40:42,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:40:42,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:40:42,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:40:42,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:40:42,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:40:42,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:40:42,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:40:42,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:40:42,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:40:42,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:40:42,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:40:42,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:40:42,988 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 21:40:43,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:40:43,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:40:43,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:40:43,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:40:43,028 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:40:43,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:40:43,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:40:43,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:40:43,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:40:43,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:40:43,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:40:43,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:40:43,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:40:43,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:40:43,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:40:43,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:40:43,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:40:43,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:40:43,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:40:43,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:40:43,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:40:43,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:40:43,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:40:43,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:40:43,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:40:43,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:40:43,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:40:43,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:40:43,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:40:43,034 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 21:40:43,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:40:43,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:40:43,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:40:43,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:40:43,354 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:40:43,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-19 21:40:43,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732f8f9a/df1ef84320fa4969b9ac59c43e57e04a/FLAG3a7eeb154 [2020-07-19 21:40:44,092 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:40:44,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-19 21:40:44,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732f8f9a/df1ef84320fa4969b9ac59c43e57e04a/FLAG3a7eeb154 [2020-07-19 21:40:44,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732f8f9a/df1ef84320fa4969b9ac59c43e57e04a [2020-07-19 21:40:44,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:40:44,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:40:44,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:40:44,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:40:44,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:40:44,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:40:44" (1/1) ... [2020-07-19 21:40:44,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f6be4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:44, skipping insertion in model container [2020-07-19 21:40:44,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:40:44" (1/1) ... [2020-07-19 21:40:44,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:40:44,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:40:44,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:40:44,833 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:40:45,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:40:45,164 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:40:45,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45 WrapperNode [2020-07-19 21:40:45,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:40:45,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:40:45,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:40:45,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:40:45,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (1/1) ... [2020-07-19 21:40:45,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:40:45,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:40:45,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:40:45,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:40:45,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (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 21:40:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:40:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:40:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:40:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:40:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:40:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:40:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:40:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:40:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:40:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:40:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:40:47,014 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:40:47,014 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:40:47,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:40:47 BoogieIcfgContainer [2020-07-19 21:40:47,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:40:47,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:40:47,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:40:47,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:40:47,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:40:44" (1/3) ... [2020-07-19 21:40:47,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe52bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:40:47, skipping insertion in model container [2020-07-19 21:40:47,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:40:45" (2/3) ... [2020-07-19 21:40:47,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe52bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:40:47, skipping insertion in model container [2020-07-19 21:40:47,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:40:47" (3/3) ... [2020-07-19 21:40:47,029 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-07-19 21:40:47,041 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:40:47,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:40:47,065 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:40:47,097 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:40:47,098 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:40:47,098 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:40:47,098 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:40:47,098 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:40:47,098 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:40:47,099 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:40:47,099 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:40:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-19 21:40:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 21:40:47,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:47,133 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] [2020-07-19 21:40:47,134 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:47,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:47,140 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-07-19 21:40:47,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:47,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938088994] [2020-07-19 21:40:47,149 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:47,524 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 21:40:47,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938088994] [2020-07-19 21:40:47,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:40:47,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:40:47,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110495298] [2020-07-19 21:40:47,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:40:47,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:47,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:40:47,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:40:47,558 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-19 21:40:49,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:40:49,629 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-07-19 21:40:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:40:49,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-07-19 21:40:49,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:40:49,654 INFO L225 Difference]: With dead ends: 698 [2020-07-19 21:40:49,654 INFO L226 Difference]: Without dead ends: 380 [2020-07-19 21:40:49,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:40:49,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-07-19 21:40:49,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-07-19 21:40:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-07-19 21:40:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-07-19 21:40:49,745 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 47 [2020-07-19 21:40:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:40:49,746 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-07-19 21:40:49,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:40:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-07-19 21:40:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-19 21:40:49,752 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:49,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:40:49,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:40:49,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:49,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:49,753 INFO L82 PathProgramCache]: Analyzing trace with hash 13726601, now seen corresponding path program 1 times [2020-07-19 21:40:49,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:49,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125697257] [2020-07-19 21:40:49,754 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:40:50,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125697257] [2020-07-19 21:40:50,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:40:50,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:40:50,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547186161] [2020-07-19 21:40:50,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:40:50,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:50,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:40:50,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:40:50,100 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 7 states. [2020-07-19 21:40:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:40:52,350 INFO L93 Difference]: Finished difference Result 1144 states and 1884 transitions. [2020-07-19 21:40:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 21:40:52,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-07-19 21:40:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:40:52,360 INFO L225 Difference]: With dead ends: 1144 [2020-07-19 21:40:52,360 INFO L226 Difference]: Without dead ends: 776 [2020-07-19 21:40:52,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:40:52,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-07-19 21:40:52,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 566. [2020-07-19 21:40:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-07-19 21:40:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 839 transitions. [2020-07-19 21:40:52,417 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 839 transitions. Word has length 116 [2020-07-19 21:40:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:40:52,418 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 839 transitions. [2020-07-19 21:40:52,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:40:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 839 transitions. [2020-07-19 21:40:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-19 21:40:52,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:52,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:40:52,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:40:52,422 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:52,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:52,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1028566563, now seen corresponding path program 1 times [2020-07-19 21:40:52,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:52,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043822643] [2020-07-19 21:40:52,424 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:40:52,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043822643] [2020-07-19 21:40:52,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:40:52,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:40:52,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144976521] [2020-07-19 21:40:52,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:40:52,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:52,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:40:52,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:40:52,782 INFO L87 Difference]: Start difference. First operand 566 states and 839 transitions. Second operand 8 states. [2020-07-19 21:40:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:40:54,867 INFO L93 Difference]: Finished difference Result 1332 states and 1939 transitions. [2020-07-19 21:40:54,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:40:54,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-07-19 21:40:54,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:40:54,880 INFO L225 Difference]: With dead ends: 1332 [2020-07-19 21:40:54,881 INFO L226 Difference]: Without dead ends: 772 [2020-07-19 21:40:54,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:40:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-07-19 21:40:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 756. [2020-07-19 21:40:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-19 21:40:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1062 transitions. [2020-07-19 21:40:54,940 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1062 transitions. Word has length 142 [2020-07-19 21:40:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:40:54,941 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 1062 transitions. [2020-07-19 21:40:54,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:40:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1062 transitions. [2020-07-19 21:40:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-19 21:40:54,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:54,948 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:40:54,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:40:54,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:54,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:54,949 INFO L82 PathProgramCache]: Analyzing trace with hash -518382015, now seen corresponding path program 1 times [2020-07-19 21:40:54,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:54,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648751989] [2020-07-19 21:40:54,950 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 80 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:40:55,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648751989] [2020-07-19 21:40:55,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079181414] [2020-07-19 21:40:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:40:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:55,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:40:55,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:40:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-19 21:40:55,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:40:55,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-19 21:40:55,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64843467] [2020-07-19 21:40:55,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:40:55,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:40:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:40:55,537 INFO L87 Difference]: Start difference. First operand 756 states and 1062 transitions. Second operand 5 states. [2020-07-19 21:40:57,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:40:57,064 INFO L93 Difference]: Finished difference Result 1910 states and 2863 transitions. [2020-07-19 21:40:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:40:57,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-19 21:40:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:40:57,078 INFO L225 Difference]: With dead ends: 1910 [2020-07-19 21:40:57,078 INFO L226 Difference]: Without dead ends: 1160 [2020-07-19 21:40:57,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 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 21:40:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-07-19 21:40:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1132. [2020-07-19 21:40:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2020-07-19 21:40:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1572 transitions. [2020-07-19 21:40:57,127 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1572 transitions. Word has length 212 [2020-07-19 21:40:57,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:40:57,128 INFO L479 AbstractCegarLoop]: Abstraction has 1132 states and 1572 transitions. [2020-07-19 21:40:57,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:40:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1572 transitions. [2020-07-19 21:40:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-19 21:40:57,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:57,134 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:40:57,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:40:57,348 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:57,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:57,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1121794437, now seen corresponding path program 1 times [2020-07-19 21:40:57,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:57,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385002058] [2020-07-19 21:40:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-07-19 21:40:57,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385002058] [2020-07-19 21:40:57,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702570842] [2020-07-19 21:40:57,672 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:40:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:57,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:40:57,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:40:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-07-19 21:40:57,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:40:57,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-19 21:40:57,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550879554] [2020-07-19 21:40:57,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:40:57,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:57,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:40:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:40:57,865 INFO L87 Difference]: Start difference. First operand 1132 states and 1572 transitions. Second operand 3 states. [2020-07-19 21:40:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:40:58,804 INFO L93 Difference]: Finished difference Result 1874 states and 2528 transitions. [2020-07-19 21:40:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:40:58,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-07-19 21:40:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:40:58,822 INFO L225 Difference]: With dead ends: 1874 [2020-07-19 21:40:58,822 INFO L226 Difference]: Without dead ends: 1872 [2020-07-19 21:40:58,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:40:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-07-19 21:40:58,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 944. [2020-07-19 21:40:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-07-19 21:40:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1251 transitions. [2020-07-19 21:40:58,889 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1251 transitions. Word has length 226 [2020-07-19 21:40:58,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:40:58,890 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1251 transitions. [2020-07-19 21:40:58,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:40:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1251 transitions. [2020-07-19 21:40:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-19 21:40:58,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:40:58,895 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:40:59,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:40:59,111 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:40:59,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:40:59,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1694076266, now seen corresponding path program 1 times [2020-07-19 21:40:59,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:40:59,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978790835] [2020-07-19 21:40:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:40:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 21:40:59,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978790835] [2020-07-19 21:40:59,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089623037] [2020-07-19 21:40:59,340 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:40:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:40:59,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:40:59,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:40:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 21:40:59,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:40:59,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-19 21:40:59,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3974622] [2020-07-19 21:40:59,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:40:59,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:40:59,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:40:59,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:40:59,539 INFO L87 Difference]: Start difference. First operand 944 states and 1251 transitions. Second operand 3 states. [2020-07-19 21:41:00,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:00,689 INFO L93 Difference]: Finished difference Result 2616 states and 3431 transitions. [2020-07-19 21:41:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:41:00,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-07-19 21:41:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:00,698 INFO L225 Difference]: With dead ends: 2616 [2020-07-19 21:41:00,698 INFO L226 Difference]: Without dead ends: 1494 [2020-07-19 21:41:00,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:41:00,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-07-19 21:41:00,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1124. [2020-07-19 21:41:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-07-19 21:41:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1430 transitions. [2020-07-19 21:41:00,742 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1430 transitions. Word has length 229 [2020-07-19 21:41:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:00,743 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1430 transitions. [2020-07-19 21:41:00,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:41:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1430 transitions. [2020-07-19 21:41:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-19 21:41:00,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:00,749 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, 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] [2020-07-19 21:41:00,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:00,963 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:00,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:00,964 INFO L82 PathProgramCache]: Analyzing trace with hash -266552290, now seen corresponding path program 1 times [2020-07-19 21:41:00,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:00,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356643488] [2020-07-19 21:41:00,965 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 154 proven. 191 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 21:41:01,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356643488] [2020-07-19 21:41:01,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277875967] [2020-07-19 21:41:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:41:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:01,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 21:41:01,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:02,036 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-07-19 21:41:02,037 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:02,039 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:02,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-19 21:41:02,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:02,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-07-19 21:41:02,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027014714] [2020-07-19 21:41:02,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-19 21:41:02,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:02,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-19 21:41:02,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:41:02,319 INFO L87 Difference]: Start difference. First operand 1124 states and 1430 transitions. Second operand 15 states. [2020-07-19 21:41:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:06,784 INFO L93 Difference]: Finished difference Result 2357 states and 2994 transitions. [2020-07-19 21:41:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-19 21:41:06,785 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 317 [2020-07-19 21:41:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:06,792 INFO L225 Difference]: With dead ends: 2357 [2020-07-19 21:41:06,793 INFO L226 Difference]: Without dead ends: 1374 [2020-07-19 21:41:06,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=324, Invalid=1158, Unknown=0, NotChecked=0, Total=1482 [2020-07-19 21:41:06,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-07-19 21:41:06,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1124. [2020-07-19 21:41:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-07-19 21:41:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1302 transitions. [2020-07-19 21:41:06,834 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1302 transitions. Word has length 317 [2020-07-19 21:41:06,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:06,835 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1302 transitions. [2020-07-19 21:41:06,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-19 21:41:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1302 transitions. [2020-07-19 21:41:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-07-19 21:41:06,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:06,842 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, 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] [2020-07-19 21:41:07,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:07,056 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:07,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:07,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1074149043, now seen corresponding path program 1 times [2020-07-19 21:41:07,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:07,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133084805] [2020-07-19 21:41:07,058 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 267 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-07-19 21:41:07,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133084805] [2020-07-19 21:41:07,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295814680] [2020-07-19 21:41:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:41:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:41:07,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:07,761 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-07-19 21:41:07,762 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 21:41:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-19 21:41:07,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:41:07,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2020-07-19 21:41:07,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751652126] [2020-07-19 21:41:07,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:41:07,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:07,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:41:07,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:07,841 INFO L87 Difference]: Start difference. First operand 1124 states and 1302 transitions. Second operand 5 states. [2020-07-19 21:41:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:09,063 INFO L93 Difference]: Finished difference Result 3012 states and 3552 transitions. [2020-07-19 21:41:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:41:09,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 342 [2020-07-19 21:41:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:09,074 INFO L225 Difference]: With dead ends: 3012 [2020-07-19 21:41:09,074 INFO L226 Difference]: Without dead ends: 2076 [2020-07-19 21:41:09,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:41:09,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2020-07-19 21:41:09,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1878. [2020-07-19 21:41:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1878 states. [2020-07-19 21:41:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2150 transitions. [2020-07-19 21:41:09,130 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2150 transitions. Word has length 342 [2020-07-19 21:41:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:09,130 INFO L479 AbstractCegarLoop]: Abstraction has 1878 states and 2150 transitions. [2020-07-19 21:41:09,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:41:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2150 transitions. [2020-07-19 21:41:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2020-07-19 21:41:09,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:09,143 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:09,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:09,358 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:09,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:09,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1203933665, now seen corresponding path program 1 times [2020-07-19 21:41:09,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:09,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384955791] [2020-07-19 21:41:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 383 proven. 79 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-07-19 21:41:09,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384955791] [2020-07-19 21:41:09,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69905253] [2020-07-19 21:41:09,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:41:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:10,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:10,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:10,157 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-19 21:41:10,158 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 561 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-19 21:41:10,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:10,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2020-07-19 21:41:10,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009640669] [2020-07-19 21:41:10,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:41:10,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:41:10,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:41:10,277 INFO L87 Difference]: Start difference. First operand 1878 states and 2150 transitions. Second operand 9 states. [2020-07-19 21:41:13,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:13,454 INFO L93 Difference]: Finished difference Result 5066 states and 6001 transitions. [2020-07-19 21:41:13,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-19 21:41:13,455 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 452 [2020-07-19 21:41:13,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:13,471 INFO L225 Difference]: With dead ends: 5066 [2020-07-19 21:41:13,471 INFO L226 Difference]: Without dead ends: 3190 [2020-07-19 21:41:13,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 471 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2020-07-19 21:41:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2020-07-19 21:41:13,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 3184. [2020-07-19 21:41:13,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-07-19 21:41:13,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3683 transitions. [2020-07-19 21:41:13,586 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3683 transitions. Word has length 452 [2020-07-19 21:41:13,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:13,587 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 3683 transitions. [2020-07-19 21:41:13,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:41:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3683 transitions. [2020-07-19 21:41:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2020-07-19 21:41:13,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:13,603 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:13,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:13,817 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:13,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1066963527, now seen corresponding path program 1 times [2020-07-19 21:41:13,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:13,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737013736] [2020-07-19 21:41:13,818 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 518 proven. 81 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2020-07-19 21:41:14,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737013736] [2020-07-19 21:41:14,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359748028] [2020-07-19 21:41:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 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 21:41:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:15,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:41:15,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:15,224 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-07-19 21:41:15,224 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:15,226 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:15,229 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 762 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-07-19 21:41:16,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:16,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-07-19 21:41:16,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492510488] [2020-07-19 21:41:16,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:41:16,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:16,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:41:16,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:16,057 INFO L87 Difference]: Start difference. First operand 3184 states and 3683 transitions. Second operand 11 states. [2020-07-19 21:41:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:19,432 INFO L93 Difference]: Finished difference Result 6670 states and 7914 transitions. [2020-07-19 21:41:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-19 21:41:19,433 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 536 [2020-07-19 21:41:19,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:19,450 INFO L225 Difference]: With dead ends: 6670 [2020-07-19 21:41:19,450 INFO L226 Difference]: Without dead ends: 3782 [2020-07-19 21:41:19,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2020-07-19 21:41:19,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3782 states. [2020-07-19 21:41:19,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3782 to 3740. [2020-07-19 21:41:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3740 states. [2020-07-19 21:41:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 4136 transitions. [2020-07-19 21:41:19,554 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 4136 transitions. Word has length 536 [2020-07-19 21:41:19,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:19,555 INFO L479 AbstractCegarLoop]: Abstraction has 3740 states and 4136 transitions. [2020-07-19 21:41:19,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:41:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 4136 transitions. [2020-07-19 21:41:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2020-07-19 21:41:19,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:19,565 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:19,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:41:19,781 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:19,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:19,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1935935179, now seen corresponding path program 1 times [2020-07-19 21:41:19,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:19,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969830891] [2020-07-19 21:41:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 546 proven. 81 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2020-07-19 21:41:21,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969830891] [2020-07-19 21:41:21,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492558438] [2020-07-19 21:41:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:21,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:21,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:21,315 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:41:21,315 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:21,316 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-19 21:41:21,317 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:21,348 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 790 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-19 21:41:21,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:21,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-19 21:41:21,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071771985] [2020-07-19 21:41:21,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:41:21,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:21,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:41:21,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:21,589 INFO L87 Difference]: Start difference. First operand 3740 states and 4136 transitions. Second operand 11 states. [2020-07-19 21:41:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:26,294 INFO L93 Difference]: Finished difference Result 8392 states and 9335 transitions. [2020-07-19 21:41:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:41:26,295 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 614 [2020-07-19 21:41:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:26,316 INFO L225 Difference]: With dead ends: 8392 [2020-07-19 21:41:26,317 INFO L226 Difference]: Without dead ends: 4654 [2020-07-19 21:41:26,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 640 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=227, Invalid=829, Unknown=0, NotChecked=0, Total=1056 [2020-07-19 21:41:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4654 states. [2020-07-19 21:41:26,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 3738. [2020-07-19 21:41:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3738 states. [2020-07-19 21:41:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 4095 transitions. [2020-07-19 21:41:26,430 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 4095 transitions. Word has length 614 [2020-07-19 21:41:26,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:26,431 INFO L479 AbstractCegarLoop]: Abstraction has 3738 states and 4095 transitions. [2020-07-19 21:41:26,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:41:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4095 transitions. [2020-07-19 21:41:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2020-07-19 21:41:26,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:26,443 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:26,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:41:26,656 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:26,657 INFO L82 PathProgramCache]: Analyzing trace with hash 629641869, now seen corresponding path program 1 times [2020-07-19 21:41:26,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:26,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662319768] [2020-07-19 21:41:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 549 proven. 73 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-07-19 21:41:27,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662319768] [2020-07-19 21:41:27,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109613357] [2020-07-19 21:41:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:27,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:41:27,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-19 21:41:27,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:27,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 21:41:27,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348124793] [2020-07-19 21:41:27,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:41:27,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:27,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:41:27,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:41:27,999 INFO L87 Difference]: Start difference. First operand 3738 states and 4095 transitions. Second operand 8 states. [2020-07-19 21:41:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:29,570 INFO L93 Difference]: Finished difference Result 8392 states and 9349 transitions. [2020-07-19 21:41:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:41:29,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 636 [2020-07-19 21:41:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:29,588 INFO L225 Difference]: With dead ends: 8392 [2020-07-19 21:41:29,589 INFO L226 Difference]: Without dead ends: 5026 [2020-07-19 21:41:29,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:41:29,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2020-07-19 21:41:29,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 4838. [2020-07-19 21:41:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4838 states. [2020-07-19 21:41:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4838 states to 4838 states and 5311 transitions. [2020-07-19 21:41:29,727 INFO L78 Accepts]: Start accepts. Automaton has 4838 states and 5311 transitions. Word has length 636 [2020-07-19 21:41:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:29,728 INFO L479 AbstractCegarLoop]: Abstraction has 4838 states and 5311 transitions. [2020-07-19 21:41:29,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:41:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4838 states and 5311 transitions. [2020-07-19 21:41:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-07-19 21:41:29,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:29,739 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:29,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:29,953 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:29,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:29,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1287824626, now seen corresponding path program 1 times [2020-07-19 21:41:29,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:29,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573299033] [2020-07-19 21:41:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 949 proven. 493 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2020-07-19 21:41:31,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573299033] [2020-07-19 21:41:31,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908005623] [2020-07-19 21:41:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:31,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:31,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:31,277 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:41:31,277 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:31,278 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-19 21:41:31,278 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:31,311 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:41:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 1177 proven. 2 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2020-07-19 21:41:31,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:31,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2020-07-19 21:41:31,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978291616] [2020-07-19 21:41:31,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-19 21:41:31,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:31,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-19 21:41:31,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:41:31,953 INFO L87 Difference]: Start difference. First operand 4838 states and 5311 transitions. Second operand 15 states. [2020-07-19 21:41:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:41,963 INFO L93 Difference]: Finished difference Result 10254 states and 11297 transitions. [2020-07-19 21:41:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-07-19 21:41:41,964 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 723 [2020-07-19 21:41:41,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:41,983 INFO L225 Difference]: With dead ends: 10254 [2020-07-19 21:41:41,983 INFO L226 Difference]: Without dead ends: 5036 [2020-07-19 21:41:41,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=544, Invalid=3616, Unknown=0, NotChecked=0, Total=4160 [2020-07-19 21:41:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5036 states. [2020-07-19 21:41:42,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5036 to 3732. [2020-07-19 21:41:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-07-19 21:41:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4013 transitions. [2020-07-19 21:41:42,085 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4013 transitions. Word has length 723 [2020-07-19 21:41:42,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:42,086 INFO L479 AbstractCegarLoop]: Abstraction has 3732 states and 4013 transitions. [2020-07-19 21:41:42,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-19 21:41:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4013 transitions. [2020-07-19 21:41:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2020-07-19 21:41:42,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:42,097 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:42,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:42,311 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:42,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1074697562, now seen corresponding path program 1 times [2020-07-19 21:41:42,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:42,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580221099] [2020-07-19 21:41:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 754 proven. 73 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2020-07-19 21:41:43,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580221099] [2020-07-19 21:41:43,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802098765] [2020-07-19 21:41:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:43,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:41:43,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1769 backedges. 1243 proven. 10 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2020-07-19 21:41:43,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:43,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-19 21:41:43,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938889661] [2020-07-19 21:41:43,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:41:43,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:43,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:41:43,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:41:43,784 INFO L87 Difference]: Start difference. First operand 3732 states and 4013 transitions. Second operand 10 states. [2020-07-19 21:41:45,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:45,847 INFO L93 Difference]: Finished difference Result 8206 states and 8860 transitions. [2020-07-19 21:41:45,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 21:41:45,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 795 [2020-07-19 21:41:45,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:45,859 INFO L225 Difference]: With dead ends: 8206 [2020-07-19 21:41:45,860 INFO L226 Difference]: Without dead ends: 4480 [2020-07-19 21:41:45,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 815 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:41:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2020-07-19 21:41:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 4102. [2020-07-19 21:41:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4102 states. [2020-07-19 21:41:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 4102 states and 4440 transitions. [2020-07-19 21:41:45,939 INFO L78 Accepts]: Start accepts. Automaton has 4102 states and 4440 transitions. Word has length 795 [2020-07-19 21:41:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:45,941 INFO L479 AbstractCegarLoop]: Abstraction has 4102 states and 4440 transitions. [2020-07-19 21:41:45,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:41:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4102 states and 4440 transitions. [2020-07-19 21:41:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2020-07-19 21:41:45,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:45,952 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:46,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 21:41:46,167 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:46,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:46,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1556654866, now seen corresponding path program 1 times [2020-07-19 21:41:46,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:46,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150307145] [2020-07-19 21:41:46,169 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 616 proven. 158 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2020-07-19 21:41:47,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150307145] [2020-07-19 21:41:47,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196144491] [2020-07-19 21:41:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:47,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:41:47,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 1450 proven. 2 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2020-07-19 21:41:47,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:47,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:41:47,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656356141] [2020-07-19 21:41:47,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:41:47,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:47,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:41:47,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:41:47,781 INFO L87 Difference]: Start difference. First operand 4102 states and 4440 transitions. Second operand 11 states. [2020-07-19 21:41:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:41:50,394 INFO L93 Difference]: Finished difference Result 9124 states and 9898 transitions. [2020-07-19 21:41:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-19 21:41:50,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 871 [2020-07-19 21:41:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:41:50,410 INFO L225 Difference]: With dead ends: 9124 [2020-07-19 21:41:50,411 INFO L226 Difference]: Without dead ends: 5028 [2020-07-19 21:41:50,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 921 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:41:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5028 states. [2020-07-19 21:41:50,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5028 to 4658. [2020-07-19 21:41:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4658 states. [2020-07-19 21:41:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 4658 states and 5013 transitions. [2020-07-19 21:41:50,505 INFO L78 Accepts]: Start accepts. Automaton has 4658 states and 5013 transitions. Word has length 871 [2020-07-19 21:41:50,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:41:50,506 INFO L479 AbstractCegarLoop]: Abstraction has 4658 states and 5013 transitions. [2020-07-19 21:41:50,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:41:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4658 states and 5013 transitions. [2020-07-19 21:41:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2020-07-19 21:41:50,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:41:50,521 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:41:50,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-19 21:41:50,735 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:41:50,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:41:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1319533531, now seen corresponding path program 1 times [2020-07-19 21:41:50,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:41:50,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600939087] [2020-07-19 21:41:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:41:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 826 proven. 71 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2020-07-19 21:41:51,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600939087] [2020-07-19 21:41:51,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702493682] [2020-07-19 21:41:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:41:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:41:52,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 21 conjunts are in the unsatisfiable core [2020-07-19 21:41:52,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:41:52,161 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:41:52,172 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:41:52,472 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-07-19 21:41:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 1513 proven. 10 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2020-07-19 21:41:53,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:41:53,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2020-07-19 21:41:53,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884176000] [2020-07-19 21:41:53,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-19 21:41:53,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:41:53,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-19 21:41:53,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:41:53,120 INFO L87 Difference]: Start difference. First operand 4658 states and 5013 transitions. Second operand 18 states. [2020-07-19 21:42:01,239 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-07-19 21:42:05,598 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-07-19 21:42:12,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:12,347 INFO L93 Difference]: Finished difference Result 11698 states and 12538 transitions. [2020-07-19 21:42:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-19 21:42:12,348 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 970 [2020-07-19 21:42:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:12,368 INFO L225 Difference]: With dead ends: 11698 [2020-07-19 21:42:12,368 INFO L226 Difference]: Without dead ends: 7046 [2020-07-19 21:42:12,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1103 GetRequests, 1029 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1898 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=799, Invalid=4901, Unknown=0, NotChecked=0, Total=5700 [2020-07-19 21:42:12,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7046 states. [2020-07-19 21:42:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7046 to 5396. [2020-07-19 21:42:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5396 states. [2020-07-19 21:42:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5396 states to 5396 states and 5747 transitions. [2020-07-19 21:42:12,495 INFO L78 Accepts]: Start accepts. Automaton has 5396 states and 5747 transitions. Word has length 970 [2020-07-19 21:42:12,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:12,496 INFO L479 AbstractCegarLoop]: Abstraction has 5396 states and 5747 transitions. [2020-07-19 21:42:12,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-19 21:42:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5396 states and 5747 transitions. [2020-07-19 21:42:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1515 [2020-07-19 21:42:12,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:12,530 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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 21:42:12,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-07-19 21:42:12,744 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:12,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:12,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1398103861, now seen corresponding path program 1 times [2020-07-19 21:42:12,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:12,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594942225] [2020-07-19 21:42:12,745 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:42:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6489 backedges. 2564 proven. 97 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2020-07-19 21:42:14,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594942225] [2020-07-19 21:42:14,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606950084] [2020-07-19 21:42:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:15,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 21:42:15,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:15,290 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:42:15,291 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:42:15,292 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,293 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 21:42:15,295 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,296 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-19 21:42:15,298 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,299 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,300 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,302 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 21:42:15,303 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,304 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,305 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,307 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,308 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,310 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 21:42:15,310 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,311 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,312 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,313 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,315 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,315 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,317 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-19 21:42:15,318 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,319 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:15,320 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-19 21:42:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6489 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 6019 trivial. 0 not checked. [2020-07-19 21:42:16,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:42:16,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-19 21:42:16,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388894684] [2020-07-19 21:42:16,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:42:16,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:16,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:42:16,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:42:16,453 INFO L87 Difference]: Start difference. First operand 5396 states and 5747 transitions. Second operand 3 states. [2020-07-19 21:42:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:17,354 INFO L93 Difference]: Finished difference Result 12622 states and 13544 transitions. [2020-07-19 21:42:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:42:17,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1514 [2020-07-19 21:42:17,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:17,378 INFO L225 Difference]: With dead ends: 12622 [2020-07-19 21:42:17,378 INFO L226 Difference]: Without dead ends: 6676 [2020-07-19 21:42:17,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1545 GetRequests, 1538 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:42:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2020-07-19 21:42:17,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6494. [2020-07-19 21:42:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6494 states. [2020-07-19 21:42:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6494 states to 6494 states and 6875 transitions. [2020-07-19 21:42:17,508 INFO L78 Accepts]: Start accepts. Automaton has 6494 states and 6875 transitions. Word has length 1514 [2020-07-19 21:42:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:17,509 INFO L479 AbstractCegarLoop]: Abstraction has 6494 states and 6875 transitions. [2020-07-19 21:42:17,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:42:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6494 states and 6875 transitions. [2020-07-19 21:42:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1523 [2020-07-19 21:42:17,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:17,540 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:42:17,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:17,755 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:17,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:17,755 INFO L82 PathProgramCache]: Analyzing trace with hash -248112715, now seen corresponding path program 1 times [2020-07-19 21:42:17,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:17,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194088838] [2020-07-19 21:42:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:42:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7107 backedges. 1578 proven. 131 refuted. 0 times theorem prover too weak. 5398 trivial. 0 not checked. [2020-07-19 21:42:19,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194088838] [2020-07-19 21:42:19,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596005285] [2020-07-19 21:42:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:20,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:42:20,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:20,266 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 21:42:20,266 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:42:20,267 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:42:20,293 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:42:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7107 backedges. 2326 proven. 2 refuted. 0 times theorem prover too weak. 4779 trivial. 0 not checked. [2020-07-19 21:42:21,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:42:21,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:42:21,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126822663] [2020-07-19 21:42:21,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:42:21,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:21,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:42:21,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:42:21,377 INFO L87 Difference]: Start difference. First operand 6494 states and 6875 transitions. Second operand 11 states. [2020-07-19 21:42:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:42:25,660 INFO L93 Difference]: Finished difference Result 13718 states and 14497 transitions. [2020-07-19 21:42:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 21:42:25,662 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1522 [2020-07-19 21:42:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:42:25,691 INFO L225 Difference]: With dead ends: 13718 [2020-07-19 21:42:25,692 INFO L226 Difference]: Without dead ends: 7230 [2020-07-19 21:42:25,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1580 GetRequests, 1556 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:42:25,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2020-07-19 21:42:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 6492. [2020-07-19 21:42:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6492 states. [2020-07-19 21:42:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6492 states to 6492 states and 6842 transitions. [2020-07-19 21:42:25,831 INFO L78 Accepts]: Start accepts. Automaton has 6492 states and 6842 transitions. Word has length 1522 [2020-07-19 21:42:25,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:42:25,833 INFO L479 AbstractCegarLoop]: Abstraction has 6492 states and 6842 transitions. [2020-07-19 21:42:25,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:42:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6492 states and 6842 transitions. [2020-07-19 21:42:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2020-07-19 21:42:25,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:42:25,869 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 21:42:26,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-07-19 21:42:26,084 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:42:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:42:26,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1464304767, now seen corresponding path program 1 times [2020-07-19 21:42:26,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:42:26,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337745516] [2020-07-19 21:42:26,086 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 [2020-07-19 21:42:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8459 backedges. 1341 proven. 343 refuted. 0 times theorem prover too weak. 6775 trivial. 0 not checked. [2020-07-19 21:42:28,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337745516] [2020-07-19 21:42:28,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758286722] [2020-07-19 21:42:28,344 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@618fcd99 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:42:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:42:28,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 21:42:28,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:42:28,871 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:42:28,872 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 21:42:36,833 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 21:42:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8459 backedges. 2514 proven. 88 refuted. 0 times theorem prover too weak. 5857 trivial. 0 not checked. [2020-07-19 21:42:38,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:42:38,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2020-07-19 21:42:38,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655598196] [2020-07-19 21:42:38,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:42:38,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:42:38,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:42:38,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=222, Unknown=2, NotChecked=0, Total=272 [2020-07-19 21:42:38,010 INFO L87 Difference]: Start difference. First operand 6492 states and 6842 transitions. Second operand 17 states. [2020-07-19 21:43:05,915 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 28 DAG size of output: 19 [2020-07-19 21:43:33,499 WARN L193 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2020-07-19 21:44:10,982 WARN L193 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2020-07-19 21:44:38,107 WARN L193 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2020-07-19 21:45:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:45:12,283 INFO L93 Difference]: Finished difference Result 15776 states and 16773 transitions. [2020-07-19 21:45:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-19 21:45:12,285 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1650 [2020-07-19 21:45:12,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:45:12,287 INFO L225 Difference]: With dead ends: 15776 [2020-07-19 21:45:12,287 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:45:12,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1805 GetRequests, 1728 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1831 ImplicationChecksByTransitivity, 66.7s TimeCoverageRelationStatistics Valid=1059, Invalid=4625, Unknown=16, NotChecked=0, Total=5700 [2020-07-19 21:45:12,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:45:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:45:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:45:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:45:12,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1650 [2020-07-19 21:45:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:45:12,309 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:45:12,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:45:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:45:12,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:45:12,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:45:12,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:45:15,079 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 331 [2020-07-19 21:45:15,482 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 331 [2020-07-19 21:45:15,644 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2020-07-19 21:45:22,351 WARN L193 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 538 DAG size of output: 98 [2020-07-19 21:45:26,181 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 339 DAG size of output: 86 [2020-07-19 21:45:29,899 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 339 DAG size of output: 86 [2020-07-19 21:45:29,903 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:45:29,904 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-19 21:45:29,904 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:45:29,905 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-19 21:45:29,905 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-19 21:45:29,905 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,905 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,905 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-19 21:45:29,906 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-19 21:45:29,907 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-19 21:45:29,908 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 21:45:29,909 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 21:45:29,910 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:45:29,911 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 21:45:29,912 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-19 21:45:29,913 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= 1 ~a24~0)) (.cse6 (not (<= 7 |old(~a15~0)|))) (.cse2 (not (<= |old(~a15~0)| 8))) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= ~a24~0 |old(~a24~0)|)) (.cse15 (= ~a21~0 |old(~a21~0)|)) (.cse11 (= ~a15~0 |old(~a15~0)|))) (let ((.cse1 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse4 (and .cse9 .cse14 .cse15 .cse11)) (.cse8 (and (or (not (<= 7 |old(~a21~0)|)) .cse2) (or .cse6 .cse2))) (.cse7 (= 6 |old(~a21~0)|)) (.cse12 (not (<= |old(~a12~0)| 11))) (.cse3 (and .cse9 .cse10 .cse15 .cse11)) (.cse0 (not (= 1 |old(~a24~0)|))) (.cse13 (and .cse9 (<= ~a15~0 5) .cse14 .cse15 .cse11)) (.cse5 (not (<= |old(~a15~0)| 5)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5) (or .cse0 (not (<= 19 |old(~a12~0)|)) .cse6 .cse3) (or .cse0 .cse7 .cse8 .cse3) (or .cse0 (and .cse9 .cse10 .cse11 (= 8 ~a21~0)) (not (<= |old(~a21~0)| 8)) (not (<= 8 |old(~a21~0)|)) (not (= 9 |old(~a15~0)|))) (or .cse0 (forall ((v_~a12~0_448 Int)) (or (not (<= |old(~a12~0)| (div (+ v_~a12~0_448 366333) 5))) (not (<= v_~a12~0_448 80)) (not (< 11 v_~a12~0_448)) (not (= (mod (+ v_~a12~0_448 3) 5) 0)))) (not (<= 13 |old(~a12~0)|)) .cse2 .cse3) (or .cse0 .cse4 .cse8 .cse12) (or .cse7 (= 10 |old(~a21~0)|) .cse13 .cse5) (or .cse0 (not (<= 10 |old(~a21~0)|)) .cse12 .cse3) (or .cse0 .cse13 .cse5)))) [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,914 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 21:45:29,915 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-19 21:45:29,916 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,917 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-19 21:45:29,918 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-19 21:45:29,919 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 21:45:29,920 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-19 21:45:29,921 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-19 21:45:29,922 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-19 21:45:29,923 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,924 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-19 21:45:29,925 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-19 21:45:29,926 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 21:45:29,927 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 21:45:29,928 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-19 21:45:29,929 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= 8 ~a15~0) (= 1 ~a24~0) (<= 7 ~a21~0) (<= ~a21~0 7)) [2020-07-19 21:45:29,930 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:45:29,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:45:29,930 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 1 |old(~a24~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (= ~a12~0 |old(~a12~0)|) (<= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (<= 7 ~a21~0) (= ~a15~0 |old(~a15~0)|))) [2020-07-19 21:45:29,931 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-19 21:45:29,931 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~a24~0)|))) (.cse8 (<= 7 ~a15~0)) (.cse1 (<= ~a15~0 8))) (let ((.cse4 (<= ~a12~0 11)) (.cse7 (or (and .cse8 .cse1) (and .cse1 (<= 7 ~a21~0)))) (.cse2 (= 1 ~a24~0)) (.cse0 (<= (+ ~a12~0 49) 0)) (.cse5 (<= ~a15~0 5)) (.cse6 (or .cse3 (<= 0 (+ |old(~a12~0)| 42)) (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)))) (.cse9 (not (= 6 ~a21~0)))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse4 .cse2 (<= 10 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (and .cse5 .cse6 .cse2) (and .cse7 .cse4 .cse2) (not (<= |old(~a21~0)| 7)) (and .cse8 .cse2 (<= 19 ~a12~0)) (and (= 9 ~a15~0) .cse2 (= 8 ~a21~0)) (and .cse7 .cse2 .cse9) (not (<= (+ |old(~a12~0)| 49) 0)) (and (exists ((v_~a12~0_448 Int)) (and (<= ~a12~0 (div (+ v_~a12~0_448 366333) 5)) (<= v_~a12~0_448 80) (< 11 v_~a12~0_448) (= (mod (+ v_~a12~0_448 3) 5) 0))) .cse1 .cse2 (<= 13 ~a12~0)) (and .cse0 .cse5 .cse6) (and .cse5 (not (= 10 ~a21~0)) .cse6 .cse9)))) [2020-07-19 21:45:29,931 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-19 21:45:29,931 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-19 21:45:29,932 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~a24~0)|))) (.cse8 (<= 7 ~a15~0)) (.cse1 (<= ~a15~0 8))) (let ((.cse4 (<= ~a12~0 11)) (.cse7 (or (and .cse8 .cse1) (and .cse1 (<= 7 ~a21~0)))) (.cse2 (= 1 ~a24~0)) (.cse0 (<= (+ ~a12~0 49) 0)) (.cse5 (<= ~a15~0 5)) (.cse6 (or .cse3 (<= 0 (+ |old(~a12~0)| 42)) (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|)))) (.cse9 (not (= 6 ~a21~0)))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse4 .cse2 (<= 10 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (and .cse5 .cse6 .cse2) (and .cse7 .cse4 .cse2) (not (<= |old(~a21~0)| 7)) (and .cse8 .cse2 (<= 19 ~a12~0)) (and (= 9 ~a15~0) .cse2 (= 8 ~a21~0)) (and .cse7 .cse2 .cse9) (not (<= (+ |old(~a12~0)| 49) 0)) (and (exists ((v_~a12~0_448 Int)) (and (<= ~a12~0 (div (+ v_~a12~0_448 366333) 5)) (<= v_~a12~0_448 80) (< 11 v_~a12~0_448) (= (mod (+ v_~a12~0_448 3) 5) 0))) .cse1 .cse2 (<= 13 ~a12~0)) (and .cse0 .cse5 .cse6) (and .cse5 (not (= 10 ~a21~0)) .cse6 .cse9)))) [2020-07-19 21:45:29,932 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-19 21:45:29,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:45:29 BoogieIcfgContainer [2020-07-19 21:45:29,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:45:29,964 INFO L168 Benchmark]: Toolchain (without parser) took 285703.43 ms. Allocated memory was 146.8 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 102.2 MB in the beginning and 387.5 MB in the end (delta: -285.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,965 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.16 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 101.7 MB in the beginning and 171.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,966 INFO L168 Benchmark]: Boogie Preprocessor took 177.41 ms. Allocated memory is still 208.1 MB. Free memory was 171.2 MB in the beginning and 165.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,967 INFO L168 Benchmark]: RCFGBuilder took 1677.66 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 165.8 MB in the beginning and 155.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,967 INFO L168 Benchmark]: TraceAbstraction took 282940.33 ms. Allocated memory was 238.0 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 153.8 MB in the beginning and 387.5 MB in the end (delta: -233.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-19 21:45:29,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 901.16 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 101.7 MB in the beginning and 171.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.41 ms. Allocated memory is still 208.1 MB. Free memory was 171.2 MB in the beginning and 165.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1677.66 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 165.8 MB in the beginning and 155.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 282940.33 ms. Allocated memory was 238.0 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 153.8 MB in the beginning and 387.5 MB in the end (delta: -233.7 MB). Peak memory consumption was 2.2 GB. 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_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 880]: Loop Invariant [2020-07-19 21:45:29,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] [2020-07-19 21:45:29,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_448,QUANTIFIED] Derived loop invariant: (((((((((((((((a12 + 49 <= 0 && a15 <= 8) && 1 == a24) || !(1 == \old(a24))) || ((a12 <= 11 && 1 == a24) && 10 <= a21)) || !(8 == \old(a15))) || !(7 <= \old(a21))) || ((a15 <= 5 && (((!(1 == \old(a24)) || 0 <= \old(a12) + 42) || !(6 == \old(a21))) || !(5 == \old(a15)))) && 1 == a24)) || ((((7 <= a15 && a15 <= 8) || (a15 <= 8 && 7 <= a21)) && a12 <= 11) && 1 == a24)) || !(\old(a21) <= 7)) || ((7 <= a15 && 1 == a24) && 19 <= a12)) || ((9 == a15 && 1 == a24) && 8 == a21)) || ((((7 <= a15 && a15 <= 8) || (a15 <= 8 && 7 <= a21)) && 1 == a24) && !(6 == a21))) || !(\old(a12) + 49 <= 0)) || ((((\exists v_~a12~0_448 : int :: ((a12 <= (v_~a12~0_448 + 366333) / 5 && v_~a12~0_448 <= 80) && 11 < v_~a12~0_448) && (v_~a12~0_448 + 3) % 5 == 0) && a15 <= 8) && 1 == a24) && 13 <= a12)) || ((a12 + 49 <= 0 && a15 <= 5) && (((!(1 == \old(a24)) || 0 <= \old(a12) + 42) || !(6 == \old(a21))) || !(5 == \old(a15))))) || (((a15 <= 5 && !(10 == a21)) && (((!(1 == \old(a24)) || 0 <= \old(a12) + 42) || !(6 == \old(a21))) || !(5 == \old(a15)))) && !(6 == a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 265.4s, OverallIterations: 19, TraceHistogramMax: 14, AutomataDifference: 222.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1168 SDtfs, 36145 SDslu, 1640 SDs, 0 SdLazy, 41106 SolverSat, 4808 SolverUnsat, 43 SolverUnknown, 0 SolverNotchecked, 134.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12507 GetRequests, 12034 SyntacticMatches, 10 SemanticMatches, 463 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6170 ImplicationChecksByTransitivity, 78.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6494occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 7780 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 356 PreInvPairs, 506 NumberOfFragments, 857 HoareAnnotationTreeSize, 356 FomulaSimplifications, 2424772 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 161312 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 23523 NumberOfCodeBlocks, 23523 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 23488 ConstructedInterpolants, 12 QuantifiedInterpolants, 40683491 SizeOfPredicates, 15 NumberOfNonLiveVariables, 16919 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 35 InterpolantComputations, 8 PerfectInterpolantSequences, 70670/72742 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...