java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:54:30,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:54:30,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:54:30,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:54:30,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:54:30,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:54:30,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:54:30,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:54:30,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:54:30,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:54:30,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:54:30,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:54:30,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:54:30,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:54:30,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:54:30,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:54:30,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:54:30,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:54:30,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:54:30,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:54:30,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:54:30,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:54:30,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:54:30,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:54:30,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:54:30,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:54:30,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:54:30,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:54:30,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:54:30,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:54:30,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:54:30,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:54:30,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:54:30,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:54:30,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:54:30,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:54:30,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:54:30,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:54:30,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:54:30,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:54:30,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:54:30,942 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:54:30,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:54:30,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:54:30,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:54:30,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:54:30,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:54:30,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:54:30,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:54:30,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:54:30,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:54:30,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:54:30,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:54:30,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:54:30,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:54:30,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:54:30,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:54:30,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:54:30,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:30,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:54:30,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:54:30,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:54:30,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:54:30,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:54:30,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:54:30,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:54:31,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:54:31,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:54:31,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:54:31,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:54:31,242 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:54:31,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-10-13 17:54:31,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4a2bf9b/6ca1c35ee4cd4e1f96956001dd110583/FLAGed85401b7 [2019-10-13 17:54:31,942 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:54:31,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-10-13 17:54:31,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4a2bf9b/6ca1c35ee4cd4e1f96956001dd110583/FLAGed85401b7 [2019-10-13 17:54:32,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4a2bf9b/6ca1c35ee4cd4e1f96956001dd110583 [2019-10-13 17:54:32,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:54:32,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:54:32,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:32,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:54:32,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:54:32,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:32,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5171f16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32, skipping insertion in model container [2019-10-13 17:54:32,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:32,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:54:32,247 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:54:32,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:32,789 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:54:32,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:32,946 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:54:32,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32 WrapperNode [2019-10-13 17:54:32,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:32,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:54:32,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:54:32,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:54:32,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:32,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:32,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:32,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:33,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:33,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:33,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... [2019-10-13 17:54:33,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:54:33,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:54:33,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:54:33,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:54:33,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:54:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:54:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:54:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:54:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:54:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:54:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:54:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:54:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:54:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:54:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:54:34,379 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:54:34,379 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:54:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:34 BoogieIcfgContainer [2019-10-13 17:54:34,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:54:34,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:54:34,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:54:34,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:54:34,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:54:32" (1/3) ... [2019-10-13 17:54:34,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747caf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:34, skipping insertion in model container [2019-10-13 17:54:34,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:32" (2/3) ... [2019-10-13 17:54:34,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747caf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:34, skipping insertion in model container [2019-10-13 17:54:34,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:34" (3/3) ... [2019-10-13 17:54:34,400 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2019-10-13 17:54:34,412 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:54:34,422 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:54:34,433 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:54:34,469 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:54:34,469 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:54:34,470 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:54:34,470 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:54:34,470 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:54:34,470 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:54:34,471 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:54:34,471 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:54:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-13 17:54:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 17:54:34,510 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:34,511 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] [2019-10-13 17:54:34,514 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:34,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:34,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2019-10-13 17:54:34,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:34,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770155503] [2019-10-13 17:54:34,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:34,532 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:34,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:35,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770155503] [2019-10-13 17:54:35,085 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:35,085 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:54:35,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855140699] [2019-10-13 17:54:35,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:54:35,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:35,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:54:35,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:54:35,110 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-13 17:54:37,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:37,370 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2019-10-13 17:54:37,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:54:37,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-10-13 17:54:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:37,392 INFO L225 Difference]: With dead ends: 828 [2019-10-13 17:54:37,392 INFO L226 Difference]: Without dead ends: 494 [2019-10-13 17:54:37,400 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:37,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-13 17:54:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2019-10-13 17:54:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-10-13 17:54:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2019-10-13 17:54:37,519 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 100 [2019-10-13 17:54:37,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:37,520 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2019-10-13 17:54:37,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:54:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2019-10-13 17:54:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 17:54:37,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:37,538 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:37,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:37,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:37,539 INFO L82 PathProgramCache]: Analyzing trace with hash 937720225, now seen corresponding path program 1 times [2019-10-13 17:54:37,540 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:37,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177240423] [2019-10-13 17:54:37,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:37,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:37,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:37,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177240423] [2019-10-13 17:54:37,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755348621] [2019-10-13 17:54:37,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:37,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:37,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:38,038 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:38,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-10-13 17:54:38,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132487350] [2019-10-13 17:54:38,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:38,043 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:38,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:38,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:54:38,044 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2019-10-13 17:54:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:38,647 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2019-10-13 17:54:38,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:38,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-10-13 17:54:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:38,656 INFO L225 Difference]: With dead ends: 1380 [2019-10-13 17:54:38,656 INFO L226 Difference]: Without dead ends: 911 [2019-10-13 17:54:38,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:54:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2019-10-13 17:54:38,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2019-10-13 17:54:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2019-10-13 17:54:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2019-10-13 17:54:38,707 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 108 [2019-10-13 17:54:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:38,708 INFO L462 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2019-10-13 17:54:38,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2019-10-13 17:54:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-13 17:54:38,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:38,713 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:38,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:38,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash -279634389, now seen corresponding path program 1 times [2019-10-13 17:54:38,919 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:38,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957804203] [2019-10-13 17:54:38,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:38,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:38,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:39,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957804203] [2019-10-13 17:54:39,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:39,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:54:39,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861476334] [2019-10-13 17:54:39,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:54:39,131 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:39,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:54:39,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:39,132 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 9 states. [2019-10-13 17:54:40,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:40,093 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2019-10-13 17:54:40,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 17:54:40,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2019-10-13 17:54:40,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:40,099 INFO L225 Difference]: With dead ends: 1245 [2019-10-13 17:54:40,099 INFO L226 Difference]: Without dead ends: 630 [2019-10-13 17:54:40,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-10-13 17:54:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2019-10-13 17:54:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-10-13 17:54:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2019-10-13 17:54:40,130 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 115 [2019-10-13 17:54:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:40,130 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2019-10-13 17:54:40,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:54:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2019-10-13 17:54:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 17:54:40,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:40,134 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:40,134 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:40,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:40,134 INFO L82 PathProgramCache]: Analyzing trace with hash -729201770, now seen corresponding path program 1 times [2019-10-13 17:54:40,135 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:40,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271549364] [2019-10-13 17:54:40,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:40,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:40,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:40,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271549364] [2019-10-13 17:54:40,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256721410] [2019-10-13 17:54:40,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:40,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:40,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:40,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:40,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:40,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290607345] [2019-10-13 17:54:40,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:40,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:40,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:40,617 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 3 states. [2019-10-13 17:54:41,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:41,111 INFO L93 Difference]: Finished difference Result 1795 states and 2516 transitions. [2019-10-13 17:54:41,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:41,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 17:54:41,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:41,122 INFO L225 Difference]: With dead ends: 1795 [2019-10-13 17:54:41,122 INFO L226 Difference]: Without dead ends: 1192 [2019-10-13 17:54:41,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2019-10-13 17:54:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1046. [2019-10-13 17:54:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2019-10-13 17:54:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1327 transitions. [2019-10-13 17:54:41,169 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1327 transitions. Word has length 126 [2019-10-13 17:54:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:41,170 INFO L462 AbstractCegarLoop]: Abstraction has 1046 states and 1327 transitions. [2019-10-13 17:54:41,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1327 transitions. [2019-10-13 17:54:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 17:54:41,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:41,175 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:41,380 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:41,381 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:41,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:41,382 INFO L82 PathProgramCache]: Analyzing trace with hash -211507521, now seen corresponding path program 1 times [2019-10-13 17:54:41,382 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:41,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203220105] [2019-10-13 17:54:41,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:41,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:41,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:54:41,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203220105] [2019-10-13 17:54:41,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487644279] [2019-10-13 17:54:41,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:41,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:41,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:41,745 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:41,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:54:41,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461191186] [2019-10-13 17:54:41,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:41,747 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:41,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:41,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:41,748 INFO L87 Difference]: Start difference. First operand 1046 states and 1327 transitions. Second operand 11 states. [2019-10-13 17:54:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:46,231 INFO L93 Difference]: Finished difference Result 4370 states and 6209 transitions. [2019-10-13 17:54:46,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 17:54:46,231 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2019-10-13 17:54:46,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:46,290 INFO L225 Difference]: With dead ends: 4370 [2019-10-13 17:54:46,291 INFO L226 Difference]: Without dead ends: 3330 [2019-10-13 17:54:46,295 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-10-13 17:54:46,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2019-10-13 17:54:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3117. [2019-10-13 17:54:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2019-10-13 17:54:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3851 transitions. [2019-10-13 17:54:46,410 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3851 transitions. Word has length 139 [2019-10-13 17:54:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:46,411 INFO L462 AbstractCegarLoop]: Abstraction has 3117 states and 3851 transitions. [2019-10-13 17:54:46,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3851 transitions. [2019-10-13 17:54:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 17:54:46,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:46,427 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 17:54:46,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:46,632 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:46,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash 978305420, now seen corresponding path program 1 times [2019-10-13 17:54:46,633 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:46,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042083721] [2019-10-13 17:54:46,633 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:46,634 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:46,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 17:54:46,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042083721] [2019-10-13 17:54:46,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062943844] [2019-10-13 17:54:46,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:46,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:46,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 17:54:47,024 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:47,025 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:54:47,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294720942] [2019-10-13 17:54:47,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:47,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:47,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:47,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:47,027 INFO L87 Difference]: Start difference. First operand 3117 states and 3851 transitions. Second operand 11 states. [2019-10-13 17:54:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:48,477 INFO L93 Difference]: Finished difference Result 5529 states and 6832 transitions. [2019-10-13 17:54:48,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:54:48,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 188 [2019-10-13 17:54:48,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:48,494 INFO L225 Difference]: With dead ends: 5529 [2019-10-13 17:54:48,494 INFO L226 Difference]: Without dead ends: 2962 [2019-10-13 17:54:48,502 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2019-10-13 17:54:48,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2960. [2019-10-13 17:54:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-13 17:54:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3405 transitions. [2019-10-13 17:54:48,579 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3405 transitions. Word has length 188 [2019-10-13 17:54:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:48,579 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3405 transitions. [2019-10-13 17:54:48,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3405 transitions. [2019-10-13 17:54:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 17:54:48,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:48,588 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:48,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:48,793 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1091008492, now seen corresponding path program 1 times [2019-10-13 17:54:48,794 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:48,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361007454] [2019-10-13 17:54:48,794 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:48,794 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:48,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-13 17:54:48,994 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361007454] [2019-10-13 17:54:48,994 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119122528] [2019-10-13 17:54:48,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:49,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:49,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-10-13 17:54:49,165 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:49,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:54:49,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645431214] [2019-10-13 17:54:49,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:49,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:49,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:49,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:49,167 INFO L87 Difference]: Start difference. First operand 2960 states and 3405 transitions. Second operand 11 states. [2019-10-13 17:54:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:53,397 INFO L93 Difference]: Finished difference Result 5940 states and 6865 transitions. [2019-10-13 17:54:53,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-13 17:54:53,397 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2019-10-13 17:54:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:53,409 INFO L225 Difference]: With dead ends: 5940 [2019-10-13 17:54:53,410 INFO L226 Difference]: Without dead ends: 2976 [2019-10-13 17:54:53,417 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=831, Unknown=0, NotChecked=0, Total=1056 [2019-10-13 17:54:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2019-10-13 17:54:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2969. [2019-10-13 17:54:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2019-10-13 17:54:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3262 transitions. [2019-10-13 17:54:53,494 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3262 transitions. Word has length 192 [2019-10-13 17:54:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:53,495 INFO L462 AbstractCegarLoop]: Abstraction has 2969 states and 3262 transitions. [2019-10-13 17:54:53,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3262 transitions. [2019-10-13 17:54:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-13 17:54:53,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:53,505 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:53,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:53,709 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:53,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1647402578, now seen corresponding path program 1 times [2019-10-13 17:54:53,711 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:53,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682229549] [2019-10-13 17:54:53,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:53,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:53,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 17:54:54,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682229549] [2019-10-13 17:54:54,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375503742] [2019-10-13 17:54:54,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:54,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-10-13 17:54:54,492 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:54,492 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-13 17:54:54,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141171887] [2019-10-13 17:54:54,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:54,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:54,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:54,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:54,501 INFO L87 Difference]: Start difference. First operand 2969 states and 3262 transitions. Second operand 3 states. [2019-10-13 17:54:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:54,978 INFO L93 Difference]: Finished difference Result 4632 states and 5065 transitions. [2019-10-13 17:54:54,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:54,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-10-13 17:54:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:54,979 INFO L225 Difference]: With dead ends: 4632 [2019-10-13 17:54:54,980 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:54:54,987 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:54,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:54:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:54:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:54:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:54:54,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2019-10-13 17:54:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:54,988 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:54:54,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:54:54,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:54:55,200 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:55,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:54:56,113 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 43 [2019-10-13 17:54:56,361 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2019-10-13 17:54:56,601 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2019-10-13 17:54:56,604 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:56,604 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:54:56,604 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 17:54:56,605 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 17:54:56,606 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 17:54:56,607 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 17:54:56,608 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,609 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 17:54:56,610 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,611 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,612 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 17:54:56,613 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,614 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 17:54:56,615 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 17:54:56,616 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,617 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 17:54:56,618 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 17:54:56,619 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 1 |old(~a25~0)|))) (let ((.cse4 (not (= 1 |old(~a19~0)|))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse6 (not (<= 8 |old(~a17~0)|))) (.cse1 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse5 (not .cse3)) (.cse2 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a25~0)| 0))) (or .cse0 .cse3 .cse4 (not (<= 10 |old(~a28~0)|)) .cse1 .cse2) (or (not (<= |old(~a28~0)| 9)) .cse5 .cse2 .cse1) (or .cse6 .cse5 .cse4 .cse1 .cse2) (or .cse0 .cse6 .cse1 .cse5 .cse2)))) [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,620 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 17:54:56,621 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 17:54:56,622 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,623 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:56,624 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:54:56,625 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (<= 8 ~a17~0) (= ~a19~0 1) (<= ~a25~0 0) (<= ~a17~0 8)) [2019-10-13 17:54:56,625 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:54:56,626 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:54:56,626 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a17~0)| 8))) [2019-10-13 17:54:56,626 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse4 (<= ~a28~0 10)) (.cse3 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse3 .cse0) (and (<= 10 ~a28~0) (not .cse0) .cse4 .cse2 .cse3) (and (<= ~a28~0 9) .cse0 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse4 (<= ~a25~0 0) .cse3))) [2019-10-13 17:54:56,626 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:56,626 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:54:56,627 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse4 (<= ~a28~0 10)) (.cse3 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse3 .cse0) (and (<= 10 ~a28~0) (not .cse0) .cse4 .cse2 .cse3) (and (<= ~a28~0 9) .cse0 .cse3) (not (<= |old(~a17~0)| 8)) (and .cse4 (<= ~a25~0 0) .cse3))) [2019-10-13 17:54:56,627 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 17:54:56,627 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 17:54:56,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:54:56 BoogieIcfgContainer [2019-10-13 17:54:56,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:54:56,649 INFO L168 Benchmark]: Toolchain (without parser) took 24467.25 ms. Allocated memory was 136.3 MB in the beginning and 565.2 MB in the end (delta: 428.9 MB). Free memory was 99.8 MB in the beginning and 493.7 MB in the end (delta: -393.9 MB). Peak memory consumption was 454.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,650 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.48 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.6 MB in the beginning and 167.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,652 INFO L168 Benchmark]: Boogie Preprocessor took 104.79 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 162.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,653 INFO L168 Benchmark]: RCFGBuilder took 1329.19 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 162.3 MB in the beginning and 179.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,653 INFO L168 Benchmark]: TraceAbstraction took 22264.88 ms. Allocated memory was 232.3 MB in the beginning and 565.2 MB in the end (delta: 332.9 MB). Free memory was 178.3 MB in the beginning and 493.7 MB in the end (delta: -315.4 MB). Peak memory consumption was 437.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:54:56,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.48 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.6 MB in the beginning and 167.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.79 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 162.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1329.19 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 162.3 MB in the beginning and 179.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22264.88 ms. Allocated memory was 232.3 MB in the beginning and 565.2 MB in the end (delta: 332.9 MB). Free memory was 178.3 MB in the beginning and 493.7 MB in the end (delta: -315.4 MB). Peak memory consumption was 437.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(8 <= \old(a17))) || (a25 == 1 && (8 <= a17 && a19 == 1) && a17 <= 8)) || !(\old(a25) <= 0)) || !(1 == \old(a19))) || (((8 <= a17 && a28 <= 10) && a17 <= 8) && a25 == 1)) || ((((10 <= a28 && !(a25 == 1)) && a28 <= 10) && a19 == 1) && a17 <= 8)) || ((a28 <= 9 && a25 == 1) && a17 <= 8)) || !(\old(a17) <= 8)) || ((a28 <= 10 && a25 <= 0) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 22.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 394 SDtfs, 4782 SDslu, 499 SDs, 0 SdLazy, 9140 SolverSat, 1659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1076 SyntacticMatches, 3 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 141 NumberOfFragments, 437 HoareAnnotationTreeSize, 93 FomulaSimplifications, 20225 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2151 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2229 NumberOfCodeBlocks, 2229 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2215 ConstructedInterpolants, 0 QuantifiedInterpolants, 1040373 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1234/1332 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...