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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:51:08,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:51:08,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:51:08,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:51:08,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:51:08,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:51:08,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:51:08,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:51:08,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:51:08,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:51:08,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:51:08,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:51:08,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:51:08,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:51:08,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:51:08,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:51:08,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:51:08,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:51:08,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:51:08,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:51:08,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:51:08,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:51:08,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:51:08,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:51:08,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:51:08,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:51:08,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:51:08,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:51:08,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:51:08,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:51:08,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:51:08,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:51:08,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:51:08,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:51:08,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:51:08,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:51:08,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 21:51:08,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:51:08,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:51:08,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:51:09,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:51:09,000 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:51:09,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:51:09,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:51:09,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:51:09,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:51:09,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:51:09,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:51:09,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:51:09,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:51:09,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:51:09,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:51:09,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:51:09,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:51:09,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:51:09,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:51:09,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:51:09,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:51:09,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:51:09,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:51:09,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:51:09,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:51:09,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:51:09,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:51:09,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:51:09,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:51:09,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:51:09,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:51:09,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:51:09,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:51:09,332 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:51:09,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-10-14 21:51:09,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917a1a2b6/6884bdb0b5d543a7ac5295bbe4fd0ced/FLAGa1c953a5c [2019-10-14 21:51:10,047 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:51:10,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-10-14 21:51:10,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917a1a2b6/6884bdb0b5d543a7ac5295bbe4fd0ced/FLAGa1c953a5c [2019-10-14 21:51:10,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917a1a2b6/6884bdb0b5d543a7ac5295bbe4fd0ced [2019-10-14 21:51:10,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:51:10,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:51:10,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:10,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:51:10,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:51:10,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:10" (1/1) ... [2019-10-14 21:51:10,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dfdbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:10, skipping insertion in model container [2019-10-14 21:51:10,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:10" (1/1) ... [2019-10-14 21:51:10,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:51:10,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:51:11,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:11,088 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:51:11,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:11,203 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:51:11,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11 WrapperNode [2019-10-14 21:51:11,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:11,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:51:11,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:51:11,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:51:11,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... [2019-10-14 21:51:11,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:51:11,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:51:11,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:51:11,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:51:11,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:51:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:51:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:51:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:51:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:51:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:51:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:51:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:51:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:51:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:51:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:51:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:51:12,518 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:51:12,518 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:51:12,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:12 BoogieIcfgContainer [2019-10-14 21:51:12,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:51:12,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:51:12,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:51:12,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:51:12,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:51:10" (1/3) ... [2019-10-14 21:51:12,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dd575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:12, skipping insertion in model container [2019-10-14 21:51:12,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:11" (2/3) ... [2019-10-14 21:51:12,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dd575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:12, skipping insertion in model container [2019-10-14 21:51:12,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:12" (3/3) ... [2019-10-14 21:51:12,529 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2019-10-14 21:51:12,540 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:51:12,549 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:51:12,562 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:51:12,590 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:51:12,590 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:51:12,590 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:51:12,591 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:51:12,591 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:51:12,591 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:51:12,591 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:51:12,591 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:51:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-14 21:51:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-14 21:51:12,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:12,630 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:12,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:12,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2019-10-14 21:51:12,647 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:12,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992347613] [2019-10-14 21:51:12,648 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:12,648 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:12,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:13,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992347613] [2019-10-14 21:51:13,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:13,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:51:13,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286440126] [2019-10-14 21:51:13,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:51:13,219 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:13,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:51:13,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:13,241 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-14 21:51:14,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:14,688 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-14 21:51:14,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:51:14,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-10-14 21:51:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:14,718 INFO L225 Difference]: With dead ends: 557 [2019-10-14 21:51:14,719 INFO L226 Difference]: Without dead ends: 286 [2019-10-14 21:51:14,731 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:51:14,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-14 21:51:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-14 21:51:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 21:51:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-14 21:51:14,826 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 100 [2019-10-14 21:51:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:14,827 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-14 21:51:14,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:51:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-14 21:51:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-14 21:51:14,833 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:14,834 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 21:51:14,834 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:14,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:14,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2019-10-14 21:51:14,835 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:14,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851937594] [2019-10-14 21:51:14,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:14,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:14,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:15,085 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851937594] [2019-10-14 21:51:15,085 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:15,085 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:51:15,085 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087989713] [2019-10-14 21:51:15,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:51:15,088 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:15,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:51:15,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:15,089 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-14 21:51:16,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:16,683 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-14 21:51:16,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:51:16,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2019-10-14 21:51:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:16,688 INFO L225 Difference]: With dead ends: 713 [2019-10-14 21:51:16,689 INFO L226 Difference]: Without dead ends: 439 [2019-10-14 21:51:16,691 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:51:16,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-14 21:51:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-14 21:51:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-14 21:51:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-14 21:51:16,732 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 110 [2019-10-14 21:51:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:16,732 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-14 21:51:16,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:51:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-14 21:51:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-14 21:51:16,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:16,738 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 21:51:16,739 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:16,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:16,739 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2019-10-14 21:51:16,739 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:16,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092140266] [2019-10-14 21:51:16,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:16,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:16,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:16,951 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092140266] [2019-10-14 21:51:16,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146579245] [2019-10-14 21:51:16,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:17,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:51:17,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:17,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:17,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-10-14 21:51:17,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946720802] [2019-10-14 21:51:17,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:17,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:17,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:17,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:17,193 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-14 21:51:17,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:17,703 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2019-10-14 21:51:17,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:17,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-10-14 21:51:17,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:17,712 INFO L225 Difference]: With dead ends: 1247 [2019-10-14 21:51:17,712 INFO L226 Difference]: Without dead ends: 832 [2019-10-14 21:51:17,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-14 21:51:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-14 21:51:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-14 21:51:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2019-10-14 21:51:17,751 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 111 [2019-10-14 21:51:17,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:17,752 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2019-10-14 21:51:17,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2019-10-14 21:51:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 21:51:17,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:17,758 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:17,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:17,964 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:17,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:17,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2019-10-14 21:51:17,964 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:17,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079047186] [2019-10-14 21:51:17,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:17,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:17,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:18,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079047186] [2019-10-14 21:51:18,200 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:18,200 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:51:18,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224793681] [2019-10-14 21:51:18,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:51:18,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:18,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:51:18,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:18,204 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 9 states. [2019-10-14 21:51:20,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:20,070 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2019-10-14 21:51:20,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:51:20,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2019-10-14 21:51:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:20,084 INFO L225 Difference]: With dead ends: 2808 [2019-10-14 21:51:20,084 INFO L226 Difference]: Without dead ends: 1982 [2019-10-14 21:51:20,087 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:51:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2019-10-14 21:51:20,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2019-10-14 21:51:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2019-10-14 21:51:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2019-10-14 21:51:20,157 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 125 [2019-10-14 21:51:20,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:20,158 INFO L462 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2019-10-14 21:51:20,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:51:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2019-10-14 21:51:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 21:51:20,163 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:20,163 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:20,163 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:20,164 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2019-10-14 21:51:20,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:20,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171614581] [2019-10-14 21:51:20,164 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:20,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:20,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:20,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171614581] [2019-10-14 21:51:20,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917748436] [2019-10-14 21:51:20,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:20,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:51:20,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:20,530 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:20,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-14 21:51:20,530 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884944694] [2019-10-14 21:51:20,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:51:20,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:20,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:51:20,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:20,533 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 9 states. [2019-10-14 21:51:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:21,745 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2019-10-14 21:51:21,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:51:21,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2019-10-14 21:51:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:21,758 INFO L225 Difference]: With dead ends: 3541 [2019-10-14 21:51:21,759 INFO L226 Difference]: Without dead ends: 2004 [2019-10-14 21:51:21,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-14 21:51:21,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2019-10-14 21:51:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2019-10-14 21:51:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2019-10-14 21:51:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2019-10-14 21:51:21,838 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 142 [2019-10-14 21:51:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:21,838 INFO L462 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2019-10-14 21:51:21,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:51:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2019-10-14 21:51:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-14 21:51:21,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:21,845 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:22,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:22,050 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:22,050 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2019-10-14 21:51:22,051 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:22,051 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744207383] [2019-10-14 21:51:22,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:22,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:22,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:22,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744207383] [2019-10-14 21:51:22,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218115757] [2019-10-14 21:51:22,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:22,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-14 21:51:22,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:51:22,539 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:22,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-14 21:51:22,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69959310] [2019-10-14 21:51:22,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 21:51:22,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:22,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 21:51:22,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 21:51:22,542 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 10 states. [2019-10-14 21:51:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:25,231 INFO L93 Difference]: Finished difference Result 3998 states and 5549 transitions. [2019-10-14 21:51:25,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-14 21:51:25,232 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2019-10-14 21:51:25,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:25,258 INFO L225 Difference]: With dead ends: 3998 [2019-10-14 21:51:25,259 INFO L226 Difference]: Without dead ends: 2320 [2019-10-14 21:51:25,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2019-10-14 21:51:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2019-10-14 21:51:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1712. [2019-10-14 21:51:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-10-14 21:51:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2019-10-14 21:51:25,344 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2019-10-14 21:51:25,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:25,345 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2019-10-14 21:51:25,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 21:51:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2019-10-14 21:51:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-14 21:51:25,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:25,351 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:25,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:25,554 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:25,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:25,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2019-10-14 21:51:25,555 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:25,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251572514] [2019-10-14 21:51:25,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:25,556 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:25,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:25,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251572514] [2019-10-14 21:51:25,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337603561] [2019-10-14 21:51:25,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:25,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-14 21:51:25,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-14 21:51:26,066 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:26,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-14 21:51:26,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556425797] [2019-10-14 21:51:26,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 21:51:26,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:26,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 21:51:26,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 21:51:26,069 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 10 states. [2019-10-14 21:51:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:29,007 INFO L93 Difference]: Finished difference Result 5643 states and 7685 transitions. [2019-10-14 21:51:29,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-14 21:51:29,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2019-10-14 21:51:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:29,033 INFO L225 Difference]: With dead ends: 5643 [2019-10-14 21:51:29,033 INFO L226 Difference]: Without dead ends: 3937 [2019-10-14 21:51:29,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2019-10-14 21:51:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2019-10-14 21:51:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3299. [2019-10-14 21:51:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2019-10-14 21:51:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4179 transitions. [2019-10-14 21:51:29,192 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4179 transitions. Word has length 166 [2019-10-14 21:51:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:29,192 INFO L462 AbstractCegarLoop]: Abstraction has 3299 states and 4179 transitions. [2019-10-14 21:51:29,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 21:51:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4179 transitions. [2019-10-14 21:51:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-14 21:51:29,206 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:29,206 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:29,418 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:29,419 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:29,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:29,420 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2019-10-14 21:51:29,420 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:29,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333959306] [2019-10-14 21:51:29,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:29,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:29,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-14 21:51:29,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333959306] [2019-10-14 21:51:29,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169733770] [2019-10-14 21:51:29,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:29,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-14 21:51:29,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-14 21:51:29,885 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:29,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-14 21:51:29,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36879567] [2019-10-14 21:51:29,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 21:51:29,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:29,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 21:51:29,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 21:51:29,887 INFO L87 Difference]: Start difference. First operand 3299 states and 4179 transitions. Second operand 10 states. [2019-10-14 21:51:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:34,314 INFO L93 Difference]: Finished difference Result 6832 states and 8795 transitions. [2019-10-14 21:51:34,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 21:51:34,316 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2019-10-14 21:51:34,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:34,317 INFO L225 Difference]: With dead ends: 6832 [2019-10-14 21:51:34,317 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:51:34,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2019-10-14 21:51:34,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:51:34,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:51:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:51:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:51:34,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-10-14 21:51:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:34,333 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:51:34,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 21:51:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:51:34,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:51:34,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:34,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:51:35,475 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-10-14 21:51:35,807 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-10-14 21:51:37,326 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 186 DAG size of output: 71 [2019-10-14 21:51:38,344 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-10-14 21:51:39,341 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-10-14 21:51:39,344 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:51:39,345 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-14 21:51:39,345 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:51:39,345 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-14 21:51:39,345 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-14 21:51:39,346 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,347 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-14 21:51:39,348 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-14 21:51:39,349 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-14 21:51:39,350 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,351 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-14 21:51:39,352 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,353 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-14 21:51:39,354 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,355 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-14 21:51:39,356 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-14 21:51:39,357 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-14 21:51:39,358 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-14 21:51:39,359 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse13 (not (<= |old(~a21~0)| 0))) (.cse18 (not (<= |old(~a16~0)| 5))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse10 (not (= 1 |old(~a20~0)|)))) (let ((.cse15 (or .cse0 (not (<= 5 |old(~a16~0)|)) .cse10)) (.cse17 (or .cse18 (= 13 |old(~a8~0)|))) (.cse16 (or .cse18 .cse13)) (.cse14 (or .cse0 .cse10 .cse18)) (.cse19 (not (= 1 |old(~a7~0)|))) (.cse9 (not (= 1 |old(~a17~0)|))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse11 (and .cse1 .cse4 .cse5 .cse2 .cse6 .cse3)) (.cse12 (not (<= |old(~a17~0)| 0))) (.cse8 (not (<= 15 |old(~a8~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12 .cse13) (or (and (or .cse14 .cse7 .cse9) (or .cse7 .cse15 .cse9)) (and (and .cse1 .cse4) .cse5 .cse2 .cse6 .cse3)) (or .cse11 .cse12 .cse16) (or .cse11 (or .cse0 .cse17 .cse7 .cse9)) (or .cse11 (or .cse0 .cse18 .cse7) .cse12) (or (and .cse1 .cse2 .cse4 .cse5 .cse6 (= ~a20~0 1)) .cse7 .cse12 .cse15) (or .cse0 .cse17 .cse19 .cse11 .cse12) (or .cse11 .cse16 .cse9) (or .cse11 .cse14 .cse19 .cse9) (or .cse0 .cse7 .cse11 .cse12 .cse8)))) [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,360 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-14 21:51:39,361 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-14 21:51:39,362 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:51:39,363 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:51:39,364 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a21~0 1) (= ~a20~0 1) (<= ~a7~0 0)) [2019-10-14 21:51:39,364 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:51:39,364 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:51:39,365 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-14 21:51:39,365 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:51:39,365 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-10-14 21:51:39,365 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-14 21:51:39,365 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 21:51:39,365 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-10-14 21:51:39,365 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:51:39,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:51:39 BoogieIcfgContainer [2019-10-14 21:51:39,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:51:39,389 INFO L168 Benchmark]: Toolchain (without parser) took 29049.49 ms. Allocated memory was 137.9 MB in the beginning and 524.3 MB in the end (delta: 386.4 MB). Free memory was 101.2 MB in the beginning and 214.0 MB in the end (delta: -112.8 MB). Peak memory consumption was 372.5 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,390 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.10 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 101.0 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,391 INFO L168 Benchmark]: Boogie Preprocessor took 107.70 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 164.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,392 INFO L168 Benchmark]: RCFGBuilder took 1207.11 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 164.3 MB in the beginning and 177.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,393 INFO L168 Benchmark]: TraceAbstraction took 26865.78 ms. Allocated memory was 236.5 MB in the beginning and 524.3 MB in the end (delta: 287.8 MB). Free memory was 177.0 MB in the beginning and 214.0 MB in the end (delta: -37.0 MB). Peak memory consumption was 349.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:51:39,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 864.10 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 101.0 MB in the beginning and 169.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.70 ms. Allocated memory is still 206.0 MB. Free memory was 169.7 MB in the beginning and 164.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1207.11 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 164.3 MB in the beginning and 177.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26865.78 ms. Allocated memory was 236.5 MB in the beginning and 524.3 MB in the end (delta: 287.8 MB). Free memory was 177.0 MB in the beginning and 214.0 MB in the end (delta: -37.0 MB). Peak memory consumption was 349.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((15 <= a8 && a17 <= 0) && a21 == 1) && a7 <= 0) || !(1 == \old(a21))) || ((a21 <= 0 && a17 <= 0) && a20 == 1)) || ((((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1) && a7 <= 0) || ((a17 == 1 && (5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0)) || !(15 <= \old(a8))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || ((((a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 == 1) && a7 <= 0)) || ((((5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 <= 0)) || !(\old(a7) <= 0)) || (((15 <= a8 && a17 == 1) && a21 == 1) && a7 <= 0)) || (((a16 <= 5 && a21 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 == 1)) || !(1 == \old(a17))) || (1 == a7 && ((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1)) || !(\old(a16) <= 5)) || ((1 == a7 && (a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 26.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, HoareTripleCheckerStatistics: 273 SDtfs, 4780 SDslu, 434 SDs, 0 SdLazy, 8788 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 831 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3299occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2029 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 172 NumberOfFragments, 982 HoareAnnotationTreeSize, 108 FomulaSimplifications, 291442 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27186 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 797480 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 565/735 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...