/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:51:56,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:51:56,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:51:57,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:51:57,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:51:57,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:51:57,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:51:57,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:51:57,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:51:57,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:51:57,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:51:57,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:51:57,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:51:57,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:51:57,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:51:57,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:51:57,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:51:57,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:51:57,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:51:57,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:51:57,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:51:57,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:51:57,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:51:57,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:51:57,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:51:57,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:51:57,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:51:57,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:51:57,105 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 [2020-08-22 16:51:57,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:51:57,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:51:57,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:51:57,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:51:57,128 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:51:57,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:51:57,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:51:57,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:51:57,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:51:57,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:51:57,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:51:57,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:51:57,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:51:57,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:51:57,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:51:57,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:51:57,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:51:57,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:51:57,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:51:57,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:51:57,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:51:57,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:51:57,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:51:57,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:51:57,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:51:57,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:51:57,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:51:57,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:51:57,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:51:57,440 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:51:57,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-08-22 16:51:57,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c070a4f1/cf80eb640e834aa483f28e8863754074/FLAG280f63074 [2020-08-22 16:51:58,034 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:51:58,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-08-22 16:51:58,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c070a4f1/cf80eb640e834aa483f28e8863754074/FLAG280f63074 [2020-08-22 16:51:58,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c070a4f1/cf80eb640e834aa483f28e8863754074 [2020-08-22 16:51:58,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:51:58,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:51:58,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:51:58,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:51:58,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:51:58,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:51:58" (1/1) ... [2020-08-22 16:51:58,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb1d53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:58, skipping insertion in model container [2020-08-22 16:51:58,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:51:58" (1/1) ... [2020-08-22 16:51:58,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:51:58,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:51:58,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:51:58,967 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:51:59,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:51:59,104 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:51:59,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59 WrapperNode [2020-08-22 16:51:59,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:51:59,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:51:59,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:51:59,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:51:59,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (1/1) ... [2020-08-22 16:51:59,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:51:59,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:51:59,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:51:59,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:51:59,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (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 [2020-08-22 16:51:59,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:51:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:51:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:51:59,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:51:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:51:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:51:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:51:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:51:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:51:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:51:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:52:00,531 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:52:00,531 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:52:00,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:00 BoogieIcfgContainer [2020-08-22 16:52:00,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:52:00,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:52:00,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:52:00,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:52:00,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:51:58" (1/3) ... [2020-08-22 16:52:00,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178811cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:00, skipping insertion in model container [2020-08-22 16:52:00,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:51:59" (2/3) ... [2020-08-22 16:52:00,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178811cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:00, skipping insertion in model container [2020-08-22 16:52:00,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:00" (3/3) ... [2020-08-22 16:52:00,554 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-08-22 16:52:00,564 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:52:00,577 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:52:00,591 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:52:00,627 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:52:00,628 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:52:00,628 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:52:00,628 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:52:00,628 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:52:00,628 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:52:00,629 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:52:00,629 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:52:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 16:52:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-22 16:52:00,665 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:00,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:00,667 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:00,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-08-22 16:52:00,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:00,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784168836] [2020-08-22 16:52:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:01,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784168836] [2020-08-22 16:52:01,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:01,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:52:01,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208391754] [2020-08-22 16:52:01,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:01,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:01,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:01,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:52:01,317 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 16:52:03,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:03,635 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-22 16:52:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:52:03,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-08-22 16:52:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:03,680 INFO L225 Difference]: With dead ends: 813 [2020-08-22 16:52:03,680 INFO L226 Difference]: Without dead ends: 488 [2020-08-22 16:52:03,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:52:03,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-22 16:52:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-22 16:52:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-22 16:52:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-22 16:52:03,814 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 118 [2020-08-22 16:52:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:03,815 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-22 16:52:03,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-22 16:52:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-22 16:52:03,822 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:03,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:03,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:52:03,823 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:03,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash -2043531383, now seen corresponding path program 1 times [2020-08-22 16:52:03,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:03,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334197166] [2020-08-22 16:52:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:04,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334197166] [2020-08-22 16:52:04,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730251986] [2020-08-22 16:52:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:04,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:04,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:04,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:04,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-08-22 16:52:04,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341853912] [2020-08-22 16:52:04,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:52:04,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:04,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:52:04,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:52:04,343 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2020-08-22 16:52:04,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:04,988 INFO L93 Difference]: Finished difference Result 1395 states and 2042 transitions. [2020-08-22 16:52:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:52:04,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-08-22 16:52:04,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:04,995 INFO L225 Difference]: With dead ends: 1395 [2020-08-22 16:52:04,995 INFO L226 Difference]: Without dead ends: 920 [2020-08-22 16:52:04,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:52:04,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-08-22 16:52:05,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2020-08-22 16:52:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-08-22 16:52:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1268 transitions. [2020-08-22 16:52:05,050 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1268 transitions. Word has length 126 [2020-08-22 16:52:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:05,051 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1268 transitions. [2020-08-22 16:52:05,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:52:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2020-08-22 16:52:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 16:52:05,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:05,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:05,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-08-22 16:52:05,273 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:05,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash -544215550, now seen corresponding path program 1 times [2020-08-22 16:52:05,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:05,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910600705] [2020-08-22 16:52:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:05,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:05,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910600705] [2020-08-22 16:52:05,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300001246] [2020-08-22 16:52:05,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:05,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core [2020-08-22 16:52:05,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:05,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:05,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-08-22 16:52:05,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519277253] [2020-08-22 16:52:05,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:05,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:05,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:05,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:52:05,808 INFO L87 Difference]: Start difference. First operand 920 states and 1268 transitions. Second operand 5 states. [2020-08-22 16:52:06,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:06,608 INFO L93 Difference]: Finished difference Result 2755 states and 3986 transitions. [2020-08-22 16:52:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:52:06,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-08-22 16:52:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:06,633 INFO L225 Difference]: With dead ends: 2755 [2020-08-22 16:52:06,634 INFO L226 Difference]: Without dead ends: 1841 [2020-08-22 16:52:06,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:52:06,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2020-08-22 16:52:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2020-08-22 16:52:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2020-08-22 16:52:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2453 transitions. [2020-08-22 16:52:06,768 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2453 transitions. Word has length 142 [2020-08-22 16:52:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:06,769 INFO L479 AbstractCegarLoop]: Abstraction has 1813 states and 2453 transitions. [2020-08-22 16:52:06,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2453 transitions. [2020-08-22 16:52:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 16:52:06,779 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:06,780 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:06,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:06,995 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:06,996 INFO L82 PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times [2020-08-22 16:52:06,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:06,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371585372] [2020-08-22 16:52:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:52:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:52:07,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371585372] [2020-08-22 16:52:07,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257996783] [2020-08-22 16:52:07,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:07,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:07,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:07,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:07,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-08-22 16:52:07,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754803799] [2020-08-22 16:52:07,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:52:07,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:07,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:52:07,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:07,363 INFO L87 Difference]: Start difference. First operand 1813 states and 2453 transitions. Second operand 10 states. [2020-08-22 16:52:09,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:09,069 INFO L93 Difference]: Finished difference Result 4294 states and 6039 transitions. [2020-08-22 16:52:09,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:52:09,070 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2020-08-22 16:52:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:09,088 INFO L225 Difference]: With dead ends: 4294 [2020-08-22 16:52:09,088 INFO L226 Difference]: Without dead ends: 2487 [2020-08-22 16:52:09,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:52:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2020-08-22 16:52:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2439. [2020-08-22 16:52:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2020-08-22 16:52:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3293 transitions. [2020-08-22 16:52:09,191 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3293 transitions. Word has length 149 [2020-08-22 16:52:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:09,192 INFO L479 AbstractCegarLoop]: Abstraction has 2439 states and 3293 transitions. [2020-08-22 16:52:09,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:52:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3293 transitions. [2020-08-22 16:52:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 16:52:09,202 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:09,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:09,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:09,417 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:09,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:09,418 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-08-22 16:52:09,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:09,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582654598] [2020-08-22 16:52:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:52:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:52:09,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582654598] [2020-08-22 16:52:09,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982651013] [2020-08-22 16:52:09,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:09,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:09,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 16:52:09,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:09,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:52:09,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956145508] [2020-08-22 16:52:09,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:52:09,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:09,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:52:09,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:52:09,964 INFO L87 Difference]: Start difference. First operand 2439 states and 3293 transitions. Second operand 3 states. [2020-08-22 16:52:10,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:10,769 INFO L93 Difference]: Finished difference Result 4872 states and 6580 transitions. [2020-08-22 16:52:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:52:10,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-08-22 16:52:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:10,788 INFO L225 Difference]: With dead ends: 4872 [2020-08-22 16:52:10,789 INFO L226 Difference]: Without dead ends: 2439 [2020-08-22 16:52:10,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:52:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2020-08-22 16:52:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 2003. [2020-08-22 16:52:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2003 states. [2020-08-22 16:52:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2482 transitions. [2020-08-22 16:52:10,864 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2482 transitions. Word has length 153 [2020-08-22 16:52:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:10,864 INFO L479 AbstractCegarLoop]: Abstraction has 2003 states and 2482 transitions. [2020-08-22 16:52:10,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:52:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2482 transitions. [2020-08-22 16:52:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-22 16:52:10,875 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:10,875 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:11,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:11,088 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:11,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1649183061, now seen corresponding path program 1 times [2020-08-22 16:52:11,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:11,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618395907] [2020-08-22 16:52:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:52:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:52:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 52 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 16:52:11,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618395907] [2020-08-22 16:52:11,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351049393] [2020-08-22 16:52:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:11,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:11,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 16:52:11,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:11,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-08-22 16:52:11,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089303933] [2020-08-22 16:52:11,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:52:11,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:11,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:52:11,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:52:11,525 INFO L87 Difference]: Start difference. First operand 2003 states and 2482 transitions. Second operand 11 states. [2020-08-22 16:52:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:13,147 INFO L93 Difference]: Finished difference Result 4455 states and 5645 transitions. [2020-08-22 16:52:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:52:13,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 173 [2020-08-22 16:52:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:13,159 INFO L225 Difference]: With dead ends: 4455 [2020-08-22 16:52:13,159 INFO L226 Difference]: Without dead ends: 2458 [2020-08-22 16:52:13,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:52:13,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2020-08-22 16:52:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 1833. [2020-08-22 16:52:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2020-08-22 16:52:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2188 transitions. [2020-08-22 16:52:13,225 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2188 transitions. Word has length 173 [2020-08-22 16:52:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:13,226 INFO L479 AbstractCegarLoop]: Abstraction has 1833 states and 2188 transitions. [2020-08-22 16:52:13,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:52:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2188 transitions. [2020-08-22 16:52:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 16:52:13,232 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:13,232 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:13,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-08-22 16:52:13,449 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:13,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:13,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1271693827, now seen corresponding path program 1 times [2020-08-22 16:52:13,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:13,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051067644] [2020-08-22 16:52:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:52:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:52:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-22 16:52:13,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051067644] [2020-08-22 16:52:13,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042936049] [2020-08-22 16:52:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:13,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:13,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 16:52:13,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:13,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:52:13,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363661968] [2020-08-22 16:52:13,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:52:13,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:13,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:52:13,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:13,821 INFO L87 Difference]: Start difference. First operand 1833 states and 2188 transitions. Second operand 10 states. [2020-08-22 16:52:16,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:16,542 INFO L93 Difference]: Finished difference Result 3026 states and 3611 transitions. [2020-08-22 16:52:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:52:16,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-08-22 16:52:16,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:16,549 INFO L225 Difference]: With dead ends: 3026 [2020-08-22 16:52:16,549 INFO L226 Difference]: Without dead ends: 1064 [2020-08-22 16:52:16,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:52:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2020-08-22 16:52:16,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1056. [2020-08-22 16:52:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-08-22 16:52:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1190 transitions. [2020-08-22 16:52:16,585 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1190 transitions. Word has length 177 [2020-08-22 16:52:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:16,586 INFO L479 AbstractCegarLoop]: Abstraction has 1056 states and 1190 transitions. [2020-08-22 16:52:16,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:52:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1190 transitions. [2020-08-22 16:52:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-22 16:52:16,590 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:16,591 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:16,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:16,804 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:16,805 INFO L82 PathProgramCache]: Analyzing trace with hash -817894210, now seen corresponding path program 1 times [2020-08-22 16:52:16,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:16,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256375828] [2020-08-22 16:52:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:16,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:16,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:16,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:52:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:52:16,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256375828] [2020-08-22 16:52:16,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687462301] [2020-08-22 16:52:16,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:17,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:52:17,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:17,117 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 16:52:17,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:52:17,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-08-22 16:52:17,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731289184] [2020-08-22 16:52:17,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:52:17,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:17,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:52:17,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:52:17,119 INFO L87 Difference]: Start difference. First operand 1056 states and 1190 transitions. Second operand 5 states. [2020-08-22 16:52:17,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:17,837 INFO L93 Difference]: Finished difference Result 2275 states and 2576 transitions. [2020-08-22 16:52:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:52:17,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2020-08-22 16:52:17,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:17,843 INFO L225 Difference]: With dead ends: 2275 [2020-08-22 16:52:17,843 INFO L226 Difference]: Without dead ends: 1369 [2020-08-22 16:52:17,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:52:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-08-22 16:52:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1216. [2020-08-22 16:52:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2020-08-22 16:52:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1350 transitions. [2020-08-22 16:52:17,877 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1350 transitions. Word has length 178 [2020-08-22 16:52:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:17,878 INFO L479 AbstractCegarLoop]: Abstraction has 1216 states and 1350 transitions. [2020-08-22 16:52:17,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:52:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1350 transitions. [2020-08-22 16:52:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-08-22 16:52:17,882 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:17,883 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:18,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:18,096 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:18,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:18,097 INFO L82 PathProgramCache]: Analyzing trace with hash -262886545, now seen corresponding path program 1 times [2020-08-22 16:52:18,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:18,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247786892] [2020-08-22 16:52:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-22 16:52:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 16:52:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 67 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:52:18,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247786892] [2020-08-22 16:52:18,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075495839] [2020-08-22 16:52:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:52:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:18,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:52:18,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 16:52:18,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:18,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-08-22 16:52:18,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936733550] [2020-08-22 16:52:18,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:52:18,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:18,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:52:18,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:52:18,518 INFO L87 Difference]: Start difference. First operand 1216 states and 1350 transitions. Second operand 11 states. [2020-08-22 16:52:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:20,770 INFO L93 Difference]: Finished difference Result 2742 states and 3088 transitions. [2020-08-22 16:52:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 16:52:20,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2020-08-22 16:52:20,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:20,776 INFO L225 Difference]: With dead ends: 2742 [2020-08-22 16:52:20,776 INFO L226 Difference]: Without dead ends: 1374 [2020-08-22 16:52:20,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-08-22 16:52:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-08-22 16:52:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1356. [2020-08-22 16:52:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1356 states. [2020-08-22 16:52:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1429 transitions. [2020-08-22 16:52:20,813 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1429 transitions. Word has length 187 [2020-08-22 16:52:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:20,813 INFO L479 AbstractCegarLoop]: Abstraction has 1356 states and 1429 transitions. [2020-08-22 16:52:20,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:52:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1429 transitions. [2020-08-22 16:52:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-22 16:52:20,818 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:20,818 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:21,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-08-22 16:52:21,031 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:21,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:21,032 INFO L82 PathProgramCache]: Analyzing trace with hash 840262598, now seen corresponding path program 1 times [2020-08-22 16:52:21,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:21,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002401966] [2020-08-22 16:52:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:21,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:21,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:52:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:52:21,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002401966] [2020-08-22 16:52:21,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788528283] [2020-08-22 16:52:21,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:52:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:21,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 7 conjunts are in the unsatisfiable core [2020-08-22 16:52:21,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:52:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:21,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:52:21,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-08-22 16:52:21,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585382932] [2020-08-22 16:52:21,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:52:21,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:21,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:52:21,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:52:21,326 INFO L87 Difference]: Start difference. First operand 1356 states and 1429 transitions. Second operand 7 states. [2020-08-22 16:52:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:22,888 INFO L93 Difference]: Finished difference Result 3291 states and 3485 transitions. [2020-08-22 16:52:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 16:52:22,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-22 16:52:22,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:22,889 INFO L225 Difference]: With dead ends: 3291 [2020-08-22 16:52:22,889 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:52:22,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:52:22,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:52:22,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:52:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:52:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:52:22,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-08-22 16:52:22,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:22,901 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:52:22,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:52:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:52:22,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:52:23,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:52:23,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:52:23,580 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 142 [2020-08-22 16:52:23,741 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 142 [2020-08-22 16:52:25,099 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2020-08-22 16:52:25,912 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 65 [2020-08-22 16:52:26,641 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 65 [2020-08-22 16:52:26,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:26,646 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 16:52:26,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:26,647 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,647 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,647 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,648 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,648 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,648 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 16:52:26,648 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 16:52:26,648 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 16:52:26,649 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 16:52:26,650 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:52:26,651 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,652 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:52:26,653 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 16:52:26,654 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 16:52:26,655 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 16:52:26,656 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,657 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 16:52:26,658 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:52:26,659 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,660 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 16:52:26,661 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,662 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 16:52:26,663 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 16:52:26,664 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 16:52:26,665 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 16:52:26,666 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,667 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,668 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (not (<= 10 |old(~a28~0)|))) (.cse6 (<= 10 ~a28~0)) (.cse10 (<= ~a28~0 |old(~a28~0)|)) (.cse18 (not (<= |old(~a19~0)| 0))) (.cse11 (not (= |old(~a25~0)| 1))) (.cse9 (= ~a17~0 8)) (.cse14 (= ~a25~0 1)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse4 (not (<= |old(~a11~0)| 0))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse17 (not (<= |old(~a17~0)| 7))) (.cse7 (= ~a19~0 1)) (.cse12 (not (<= |old(~a17~0)| 8))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse16 (and .cse20 .cse13 .cse5 .cse8 .cse21)) (.cse19 (not (<= |old(~a28~0)| 9))) (.cse15 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10)) (or .cse11 .cse12 .cse0 .cse1 .cse3 (and .cse13 .cse5 .cse6 .cse7 .cse14 .cse10) .cse15) (or .cse0 .cse16 .cse17 .cse18 .cse15) (or .cse12 .cse16 .cse19 .cse18 .cse15) (or (= 8 |old(~a28~0)|) .cse1 (and .cse20 .cse5 .cse7 .cse8 .cse9) .cse2 .cse19 .cse4) (or (and .cse20 .cse5 .cse8 .cse9 .cse21) .cse2 .cse19 .cse18 .cse4) (or .cse11 (and .cse20 .cse5 .cse9 .cse14 .cse21) .cse2 .cse4 .cse18) (or .cse11 .cse1 (and .cse20 .cse5 .cse7 .cse9 .cse14) .cse2 .cse4) (or .cse12 .cse0 .cse1 .cse17 (and .cse20 .cse13 .cse5 .cse7 .cse8) .cse15) (or .cse12 .cse1 .cse16 .cse19 .cse15)))) [2020-08-22 16:52:26,668 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,668 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,668 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,668 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 16:52:26,668 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 16:52:26,669 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,670 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 16:52:26,671 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 16:52:26,672 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 16:52:26,673 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:52:26,674 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:52:26,675 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a17~0 8) (<= ~a28~0 7)) [2020-08-22 16:52:26,676 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:52:26,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:52:26,676 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-08-22 16:52:26,676 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10)) (.cse7 (<= ~a19~0 0)) (.cse4 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 1)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (<= ~a11~0 0)) (.cse10 (<= ~a28~0 9)) (.cse3 (not (= |old(~a25~0)| 1))) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a19~0 1)) (.cse8 (= ~a17~0 8)) (.cse5 (= ~a25~0 1))) (or (and .cse0 (<= 10 ~a28~0) .cse1 (<= 8 ~a17~0) (<= ~a17~0 8) .cse2) (and .cse3 .cse1 .cse4 .cse5 .cse6 .cse2) (and .cse3 .cse7 .cse0 .cse8 .cse5) (not (= |old(~a19~0)| 1)) (and .cse1 .cse4 .cse6 .cse2 .cse9) (and .cse1 .cse4 .cse10 .cse6) (and .cse3 .cse11 .cse12 .cse0 (not (= ~a28~0 8)) .cse1 .cse8 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse7 .cse6 .cse9 .cse2) (and .cse3 .cse7 .cse0 .cse8 .cse10) (not (<= |old(~a28~0)| 7)) (and .cse7 .cse4 .cse10 .cse6) (and (= ~a28~0 |old(~a28~0)|) .cse11 .cse12 .cse0 .cse1 (= ~a25~0 |old(~a25~0)|) .cse8 .cse10) (and .cse3 .cse0 .cse1 .cse8 .cse5) (not (<= |old(~a11~0)| 0)))) [2020-08-22 16:52:26,676 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:52:26,676 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:52:26,677 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse9 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10)) (.cse7 (<= ~a19~0 0)) (.cse4 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 1)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (<= ~a11~0 0)) (.cse10 (<= ~a28~0 9)) (.cse3 (not (= |old(~a25~0)| 1))) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a19~0 1)) (.cse8 (= ~a17~0 8)) (.cse5 (= ~a25~0 1))) (or (and .cse0 (<= 10 ~a28~0) .cse1 (<= 8 ~a17~0) (<= ~a17~0 8) .cse2) (and .cse3 .cse1 .cse4 .cse5 .cse6 .cse2) (and .cse3 .cse7 .cse0 .cse8 .cse5) (not (= |old(~a19~0)| 1)) (and .cse1 .cse4 .cse6 .cse2 .cse9) (and .cse1 .cse4 .cse10 .cse6) (and .cse3 .cse11 .cse12 .cse0 (not (= ~a28~0 8)) .cse1 .cse8 .cse10) (not (= 8 |old(~a17~0)|)) (and .cse7 .cse6 .cse9 .cse2) (and .cse3 .cse7 .cse0 .cse8 .cse10) (not (<= |old(~a28~0)| 7)) (and .cse7 .cse4 .cse10 .cse6) (and (= ~a28~0 |old(~a28~0)|) .cse11 .cse12 .cse0 .cse1 (= ~a25~0 |old(~a25~0)|) .cse8 .cse10) (and .cse3 .cse0 .cse1 .cse8 .cse5) (not (<= |old(~a11~0)| 0)))) [2020-08-22 16:52:26,677 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 16:52:26,677 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 16:52:26,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:52:26 BoogieIcfgContainer [2020-08-22 16:52:26,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:52:26,715 INFO L168 Benchmark]: Toolchain (without parser) took 28377.06 ms. Allocated memory was 140.5 MB in the beginning and 567.3 MB in the end (delta: 426.8 MB). Free memory was 101.8 MB in the beginning and 142.5 MB in the end (delta: -40.8 MB). Peak memory consumption was 438.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,716 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.36 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 172.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,717 INFO L168 Benchmark]: Boogie Preprocessor took 104.51 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,718 INFO L168 Benchmark]: RCFGBuilder took 1333.02 ms. Allocated memory was 205.5 MB in the beginning and 240.1 MB in the end (delta: 34.6 MB). Free memory was 167.3 MB in the beginning and 181.7 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,719 INFO L168 Benchmark]: TraceAbstraction took 26164.04 ms. Allocated memory was 240.1 MB in the beginning and 567.3 MB in the end (delta: 327.2 MB). Free memory was 181.7 MB in the beginning and 142.5 MB in the end (delta: 39.2 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:52:26,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.36 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 172.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.51 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.02 ms. Allocated memory was 205.5 MB in the beginning and 240.1 MB in the end (delta: 34.6 MB). Free memory was 167.3 MB in the beginning and 181.7 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26164.04 ms. Allocated memory was 240.1 MB in the beginning and 567.3 MB in the end (delta: 327.2 MB). Free memory was 181.7 MB in the beginning and 142.5 MB in the end (delta: 39.2 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((a11 == \old(a11) && 10 <= a28) && a19 == 1) && 8 <= a17) && a17 <= 8) && a28 <= 10) || (((((!(\old(a25) == 1) && a19 == 1) && a17 <= \old(a17)) && a25 == 1) && a11 == 1) && a28 <= 10)) || ((((!(\old(a25) == 1) && a19 <= 0) && a11 == \old(a11)) && a17 == 8) && a25 == 1)) || !(\old(a19) == 1)) || ((((a19 == 1 && a17 <= \old(a17)) && a11 == 1) && a28 <= 10) && a17 <= 7)) || (((a19 == 1 && a17 <= \old(a17)) && a28 <= 9) && a11 == 1)) || (((((((!(\old(a25) == 1) && a17 == \old(a17)) && a11 <= 0) && a11 == \old(a11)) && !(a28 == 8)) && a19 == 1) && a17 == 8) && a28 <= 9)) || !(8 == \old(a17))) || (((a19 <= 0 && a11 == 1) && a17 <= 7) && a28 <= 10)) || ((((!(\old(a25) == 1) && a19 <= 0) && a11 == \old(a11)) && a17 == 8) && a28 <= 9)) || !(\old(a28) <= 7)) || (((a19 <= 0 && a17 <= \old(a17)) && a28 <= 9) && a11 == 1)) || (((((((a28 == \old(a28) && a17 == \old(a17)) && a11 <= 0) && a11 == \old(a11)) && a19 == 1) && a25 == \old(a25)) && a17 == 8) && a28 <= 9)) || ((((!(\old(a25) == 1) && a11 == \old(a11)) && a19 == 1) && a17 == 8) && a25 == 1)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 604 SDtfs, 6945 SDslu, 477 SDs, 0 SdLazy, 10018 SolverSat, 2030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1659 GetRequests, 1546 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1323 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 107 PreInvPairs, 147 NumberOfFragments, 883 HoareAnnotationTreeSize, 107 FomulaSimplifications, 51104 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16757 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3078 NumberOfCodeBlocks, 3078 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3059 ConstructedInterpolants, 0 QuantifiedInterpolants, 1221841 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3816 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 1005/1098 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...