/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:12:27,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:12:27,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:12:27,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 19:12:27,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:12:28,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:12:28,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:12:28,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:12:28,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:12:28,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:12:28,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:12:28,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:12:28,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:12:28,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:12:28,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:12:28,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:12:28,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 19:12:28,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:12:28,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:12:28,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:12:28,036 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 [2019-11-06 19:12:28,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:12:28,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:12:28,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:12:28,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:12:28,076 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:12:28,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:12:28,077 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:12:28,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:12:28,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:12:28,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:12:28,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:12:28,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:12:28,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:12:28,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:12:28,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:12:28,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:12:28,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:12:28,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:12:28,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:12:28,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:12:28,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:12:28,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:12:28,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:12:28,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:12:28,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:12:28,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:12:28,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:12:28,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:12:28,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:12:28,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:12:28,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:12:28,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:12:28,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:12:28,387 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:12:28,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label06.c [2019-11-06 19:12:28,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5eebe35/cb5d0bbc0bb243a8af7590f9b84b6238/FLAGbaccb1951 [2019-11-06 19:12:29,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:12:29,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label06.c [2019-11-06 19:12:29,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5eebe35/cb5d0bbc0bb243a8af7590f9b84b6238/FLAGbaccb1951 [2019-11-06 19:12:29,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de5eebe35/cb5d0bbc0bb243a8af7590f9b84b6238 [2019-11-06 19:12:29,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:12:29,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:12:29,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:12:29,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:12:29,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:12:29,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:12:29" (1/1) ... [2019-11-06 19:12:29,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d774a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:29, skipping insertion in model container [2019-11-06 19:12:29,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:12:29" (1/1) ... [2019-11-06 19:12:29,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:12:29,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:12:29,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:12:30,003 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:12:30,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:12:30,178 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:12:30,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30 WrapperNode [2019-11-06 19:12:30,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:12:30,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:12:30,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:12:30,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:12:30,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (1/1) ... [2019-11-06 19:12:30,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:12:30,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:12:30,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:12:30,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:12:30,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (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 [2019-11-06 19:12:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:12:30,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:12:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:12:30,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:12:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:12:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:12:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:12:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:12:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:12:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:12:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:12:31,816 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:12:31,817 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:12:31,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:12:31 BoogieIcfgContainer [2019-11-06 19:12:31,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:12:31,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:12:31,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:12:31,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:12:31,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:12:29" (1/3) ... [2019-11-06 19:12:31,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdaa337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:12:31, skipping insertion in model container [2019-11-06 19:12:31,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:12:30" (2/3) ... [2019-11-06 19:12:31,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdaa337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:12:31, skipping insertion in model container [2019-11-06 19:12:31,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:12:31" (3/3) ... [2019-11-06 19:12:31,827 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2019-11-06 19:12:31,837 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:12:31,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:12:31,858 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:12:31,887 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:12:31,887 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:12:31,887 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:12:31,887 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:12:31,888 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:12:31,888 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:12:31,888 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:12:31,888 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:12:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2019-11-06 19:12:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-06 19:12:31,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:31,925 INFO L410 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] [2019-11-06 19:12:31,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1258864990, now seen corresponding path program 1 times [2019-11-06 19:12:31,942 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:31,943 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335670934] [2019-11-06 19:12:31,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:32,386 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335670934] [2019-11-06 19:12:32,387 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:12:32,388 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:12:32,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987357749] [2019-11-06 19:12:32,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:12:32,396 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:32,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:12:32,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:12:32,416 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2019-11-06 19:12:35,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:35,282 INFO L93 Difference]: Finished difference Result 902 states and 1625 transitions. [2019-11-06 19:12:35,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:12:35,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-11-06 19:12:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:35,332 INFO L225 Difference]: With dead ends: 902 [2019-11-06 19:12:35,332 INFO L226 Difference]: Without dead ends: 564 [2019-11-06 19:12:35,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:35,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-11-06 19:12:35,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 376. [2019-11-06 19:12:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-11-06 19:12:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2019-11-06 19:12:35,468 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 67 [2019-11-06 19:12:35,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:35,469 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2019-11-06 19:12:35,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:12:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2019-11-06 19:12:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-06 19:12:35,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:35,477 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:35,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash -744258219, now seen corresponding path program 1 times [2019-11-06 19:12:35,478 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:35,479 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424003807] [2019-11-06 19:12:35,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:35,867 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424003807] [2019-11-06 19:12:35,868 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536227907] [2019-11-06 19:12:35,868 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 [2019-11-06 19:12:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:35,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:35,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:36,094 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:36,094 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:12:36,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194142666] [2019-11-06 19:12:36,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:36,097 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:36,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:36,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:36,097 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 3 states. [2019-11-06 19:12:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:36,962 INFO L93 Difference]: Finished difference Result 1114 states and 1581 transitions. [2019-11-06 19:12:36,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:36,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-06 19:12:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:36,969 INFO L225 Difference]: With dead ends: 1114 [2019-11-06 19:12:36,969 INFO L226 Difference]: Without dead ends: 744 [2019-11-06 19:12:36,972 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2019-11-06 19:12:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2019-11-06 19:12:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2019-11-06 19:12:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 976 transitions. [2019-11-06 19:12:37,008 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 976 transitions. Word has length 150 [2019-11-06 19:12:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:37,009 INFO L462 AbstractCegarLoop]: Abstraction has 744 states and 976 transitions. [2019-11-06 19:12:37,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 976 transitions. [2019-11-06 19:12:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-06 19:12:37,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:37,014 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:37,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:37,220 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:37,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1384715987, now seen corresponding path program 1 times [2019-11-06 19:12:37,221 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:37,222 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651085465] [2019-11-06 19:12:37,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:37,536 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651085465] [2019-11-06 19:12:37,536 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044416786] [2019-11-06 19:12:37,536 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 [2019-11-06 19:12:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:37,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:37,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:37,672 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:37,673 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:12:37,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799360392] [2019-11-06 19:12:37,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:37,674 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:37,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:37,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:37,675 INFO L87 Difference]: Start difference. First operand 744 states and 976 transitions. Second operand 3 states. [2019-11-06 19:12:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:38,581 INFO L93 Difference]: Finished difference Result 1850 states and 2489 transitions. [2019-11-06 19:12:38,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:38,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-11-06 19:12:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:38,588 INFO L225 Difference]: With dead ends: 1850 [2019-11-06 19:12:38,589 INFO L226 Difference]: Without dead ends: 1112 [2019-11-06 19:12:38,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2019-11-06 19:12:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2019-11-06 19:12:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2019-11-06 19:12:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1426 transitions. [2019-11-06 19:12:38,628 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1426 transitions. Word has length 162 [2019-11-06 19:12:38,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:38,629 INFO L462 AbstractCegarLoop]: Abstraction has 1112 states and 1426 transitions. [2019-11-06 19:12:38,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1426 transitions. [2019-11-06 19:12:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-06 19:12:38,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:38,635 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:38,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:38,839 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:38,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:38,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1538513321, now seen corresponding path program 1 times [2019-11-06 19:12:38,839 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:38,840 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016109492] [2019-11-06 19:12:38,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 56 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:39,144 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016109492] [2019-11-06 19:12:39,144 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443692920] [2019-11-06 19:12:39,145 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 [2019-11-06 19:12:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:39,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:39,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:39,378 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:39,378 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-11-06 19:12:39,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943502349] [2019-11-06 19:12:39,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:39,381 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:39,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:39,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:12:39,384 INFO L87 Difference]: Start difference. First operand 1112 states and 1426 transitions. Second operand 3 states. [2019-11-06 19:12:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:40,182 INFO L93 Difference]: Finished difference Result 2584 states and 3389 transitions. [2019-11-06 19:12:40,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:40,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2019-11-06 19:12:40,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:40,190 INFO L225 Difference]: With dead ends: 2584 [2019-11-06 19:12:40,191 INFO L226 Difference]: Without dead ends: 1478 [2019-11-06 19:12:40,194 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:12:40,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2019-11-06 19:12:40,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2019-11-06 19:12:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2019-11-06 19:12:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1913 transitions. [2019-11-06 19:12:40,241 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1913 transitions. Word has length 176 [2019-11-06 19:12:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:40,241 INFO L462 AbstractCegarLoop]: Abstraction has 1478 states and 1913 transitions. [2019-11-06 19:12:40,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:40,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1913 transitions. [2019-11-06 19:12:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-06 19:12:40,245 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:40,246 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:40,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:40,451 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:40,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:40,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1566532302, now seen corresponding path program 1 times [2019-11-06 19:12:40,452 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:40,452 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602524626] [2019-11-06 19:12:40,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:40,661 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602524626] [2019-11-06 19:12:40,661 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173658542] [2019-11-06 19:12:40,661 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 [2019-11-06 19:12:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:40,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:40,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:40,811 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:40,812 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:12:40,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574879340] [2019-11-06 19:12:40,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:40,813 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:40,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:40,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:40,814 INFO L87 Difference]: Start difference. First operand 1478 states and 1913 transitions. Second operand 3 states. [2019-11-06 19:12:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:41,838 INFO L93 Difference]: Finished difference Result 2952 states and 3924 transitions. [2019-11-06 19:12:41,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:41,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-11-06 19:12:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:41,847 INFO L225 Difference]: With dead ends: 2952 [2019-11-06 19:12:41,848 INFO L226 Difference]: Without dead ends: 1662 [2019-11-06 19:12:41,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:41,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2019-11-06 19:12:41,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1662. [2019-11-06 19:12:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1662 states. [2019-11-06 19:12:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2185 transitions. [2019-11-06 19:12:41,936 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2185 transitions. Word has length 179 [2019-11-06 19:12:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:41,939 INFO L462 AbstractCegarLoop]: Abstraction has 1662 states and 2185 transitions. [2019-11-06 19:12:41,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2185 transitions. [2019-11-06 19:12:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-06 19:12:41,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:41,947 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:42,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:42,153 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:42,154 INFO L82 PathProgramCache]: Analyzing trace with hash -576457814, now seen corresponding path program 1 times [2019-11-06 19:12:42,154 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:42,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715722450] [2019-11-06 19:12:42,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:42,469 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715722450] [2019-11-06 19:12:42,477 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:12:42,478 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:12:42,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058831281] [2019-11-06 19:12:42,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:12:42,479 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:42,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:12:42,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:12:42,480 INFO L87 Difference]: Start difference. First operand 1662 states and 2185 transitions. Second operand 9 states. [2019-11-06 19:12:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:44,517 INFO L93 Difference]: Finished difference Result 4302 states and 5991 transitions. [2019-11-06 19:12:44,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:12:44,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2019-11-06 19:12:44,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:44,536 INFO L225 Difference]: With dead ends: 4302 [2019-11-06 19:12:44,537 INFO L226 Difference]: Without dead ends: 2828 [2019-11-06 19:12:44,543 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:12:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2019-11-06 19:12:44,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2614. [2019-11-06 19:12:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2614 states. [2019-11-06 19:12:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 3430 transitions. [2019-11-06 19:12:44,646 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 3430 transitions. Word has length 207 [2019-11-06 19:12:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:44,647 INFO L462 AbstractCegarLoop]: Abstraction has 2614 states and 3430 transitions. [2019-11-06 19:12:44,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:12:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3430 transitions. [2019-11-06 19:12:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-06 19:12:44,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:44,654 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:44,654 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:44,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash -231473734, now seen corresponding path program 1 times [2019-11-06 19:12:44,655 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:44,655 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202792187] [2019-11-06 19:12:44,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:12:44,975 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202792187] [2019-11-06 19:12:44,976 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924330288] [2019-11-06 19:12:44,976 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 [2019-11-06 19:12:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:45,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:45,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:12:45,201 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:12:45,201 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:12:45,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242457384] [2019-11-06 19:12:45,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:12:45,203 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:45,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:12:45,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:12:45,203 INFO L87 Difference]: Start difference. First operand 2614 states and 3430 transitions. Second operand 11 states. [2019-11-06 19:12:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:49,146 INFO L93 Difference]: Finished difference Result 6248 states and 8634 transitions. [2019-11-06 19:12:49,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 19:12:49,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2019-11-06 19:12:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:49,174 INFO L225 Difference]: With dead ends: 6248 [2019-11-06 19:12:49,174 INFO L226 Difference]: Without dead ends: 3822 [2019-11-06 19:12:49,182 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2019-11-06 19:12:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2019-11-06 19:12:49,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3798. [2019-11-06 19:12:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3798 states. [2019-11-06 19:12:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 4965 transitions. [2019-11-06 19:12:49,335 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 4965 transitions. Word has length 255 [2019-11-06 19:12:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:49,335 INFO L462 AbstractCegarLoop]: Abstraction has 3798 states and 4965 transitions. [2019-11-06 19:12:49,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:12:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 4965 transitions. [2019-11-06 19:12:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-06 19:12:49,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:49,349 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 19:12:49,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:49,563 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:49,564 INFO L82 PathProgramCache]: Analyzing trace with hash -559797295, now seen corresponding path program 1 times [2019-11-06 19:12:49,565 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:49,565 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163549929] [2019-11-06 19:12:49,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-06 19:12:49,825 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163549929] [2019-11-06 19:12:49,826 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747382166] [2019-11-06 19:12:49,826 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 [2019-11-06 19:12:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:49,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:49,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-06 19:12:50,038 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:50,038 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:12:50,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968444692] [2019-11-06 19:12:50,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:50,039 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:50,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:50,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:50,040 INFO L87 Difference]: Start difference. First operand 3798 states and 4965 transitions. Second operand 3 states. [2019-11-06 19:12:50,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:50,782 INFO L93 Difference]: Finished difference Result 5120 states and 6792 transitions. [2019-11-06 19:12:50,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:50,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-06 19:12:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:50,810 INFO L225 Difference]: With dead ends: 5120 [2019-11-06 19:12:50,811 INFO L226 Difference]: Without dead ends: 5118 [2019-11-06 19:12:50,815 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:12:50,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5118 states. [2019-11-06 19:12:50,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5118 to 4738. [2019-11-06 19:12:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4738 states. [2019-11-06 19:12:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 6271 transitions. [2019-11-06 19:12:50,973 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 6271 transitions. Word has length 284 [2019-11-06 19:12:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:50,973 INFO L462 AbstractCegarLoop]: Abstraction has 4738 states and 6271 transitions. [2019-11-06 19:12:50,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 6271 transitions. [2019-11-06 19:12:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-11-06 19:12:50,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:12:50,985 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:12:51,198 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:51,198 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:12:51,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:12:51,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1388542146, now seen corresponding path program 1 times [2019-11-06 19:12:51,199 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:12:51,199 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932399806] [2019-11-06 19:12:51,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:12:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-06 19:12:51,493 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932399806] [2019-11-06 19:12:51,493 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784551568] [2019-11-06 19:12:51,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:12:51,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:12:51,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:12:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-06 19:12:51,644 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:12:51,644 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-11-06 19:12:51,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398591078] [2019-11-06 19:12:51,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:12:51,645 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:12:51,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:12:51,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:12:51,646 INFO L87 Difference]: Start difference. First operand 4738 states and 6271 transitions. Second operand 3 states. [2019-11-06 19:12:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:12:52,535 INFO L93 Difference]: Finished difference Result 10972 states and 14773 transitions. [2019-11-06 19:12:52,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:12:52,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2019-11-06 19:12:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:12:52,537 INFO L225 Difference]: With dead ends: 10972 [2019-11-06 19:12:52,537 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:12:52,575 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 296 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:12:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:12:52,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:12:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:12:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:12:52,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2019-11-06 19:12:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:12:52,577 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:12:52,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:12:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:12:52,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:12:52,790 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:12:52,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:12:53,661 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2019-11-06 19:12:53,848 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2019-11-06 19:12:54,025 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2019-11-06 19:12:54,028 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:12:54,029 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2019-11-06 19:12:54,029 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:12:54,029 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-06 19:12:54,029 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-06 19:12:54,030 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,030 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,030 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,030 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-06 19:12:54,030 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:12:54,032 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:12:54,033 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:12:54,033 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-06 19:12:54,033 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-06 19:12:54,033 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-06 19:12:54,034 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-06 19:12:54,034 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,035 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,035 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,035 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-06 19:12:54,035 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-06 19:12:54,037 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:12:54,037 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,038 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-06 19:12:54,040 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:12:54,041 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:12:54,042 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:12:54,043 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:12:54,046 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-06 19:12:54,046 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-06 19:12:54,046 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:12:54,047 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,048 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-06 19:12:54,049 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,050 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,051 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-06 19:12:54,052 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|))) (.cse1 (not (<= |old(~a15~0)| 8)))) (and (or (not (<= 12 |old(~a12~0)|)) .cse0 .cse1) (or (not (<= 9 |old(~a21~0)|)) .cse0 .cse1) (or .cse0 (or (not (<= |old(~a21~0)| 6)) .cse1)) (or .cse0 (not (= 9 |old(~a15~0)|))) (or (not (<= 7 |old(~a15~0)|)) .cse0 .cse1))) [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-06 19:12:54,053 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-06 19:12:54,054 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,055 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,056 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-06 19:12:54,057 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-06 19:12:54,058 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:12:54,059 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:12:54,060 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-06 19:12:54,061 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,062 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-06 19:12:54,063 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-06 19:12:54,064 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-06 19:12:54,065 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:12:54,066 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,067 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-06 19:12:54,068 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:12:54,069 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,070 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-06 19:12:54,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:12:54,072 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a15~0) (<= ~a21~0 7) (<= ~a15~0 8) (<= (+ ~a12~0 49) 0)) [2019-11-06 19:12:54,073 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:12:54,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:12:54,074 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7))) [2019-11-06 19:12:54,076 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2019-11-06 19:12:54,076 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= 7 ~a15~0)) (.cse0 (<= ~a15~0 8))) (or (= ~a15~0 9) (and (<= 12 ~a12~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse1 (<= ~a21~0 7) .cse0) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse0 (<= ~a21~0 6)) (and .cse1 .cse0 (or (not (= ~a15~0 8)) (= 8 |old(~a15~0)|))) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)))) [2019-11-06 19:12:54,076 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-11-06 19:12:54,076 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-06 19:12:54,077 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= 7 ~a15~0)) (.cse0 (<= ~a15~0 8))) (or (= ~a15~0 9) (and (<= 12 ~a12~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse1 (<= ~a21~0 7) .cse0) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse0 (<= ~a21~0 6)) (and .cse1 .cse0 (or (not (= ~a15~0 8)) (= 8 |old(~a15~0)|))) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)))) [2019-11-06 19:12:54,077 INFO L443 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2019-11-06 19:12:54,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:12:54 BoogieIcfgContainer [2019-11-06 19:12:54,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:12:54,106 INFO L168 Benchmark]: Toolchain (without parser) took 24814.69 ms. Allocated memory was 142.6 MB in the beginning and 558.9 MB in the end (delta: 416.3 MB). Free memory was 100.3 MB in the beginning and 384.3 MB in the end (delta: -284.0 MB). Peak memory consumption was 437.2 MB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,107 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 142.6 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.27 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 169.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,109 INFO L168 Benchmark]: Boogie Preprocessor took 134.31 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 162.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,110 INFO L168 Benchmark]: RCFGBuilder took 1504.22 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.4 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,116 INFO L168 Benchmark]: TraceAbstraction took 22284.42 ms. Allocated memory was 239.1 MB in the beginning and 558.9 MB in the end (delta: 319.8 MB). Free memory was 157.1 MB in the beginning and 384.3 MB in the end (delta: -227.2 MB). Peak memory consumption was 397.5 MB. Max. memory is 7.1 GB. [2019-11-06 19:12:54,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 142.6 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 887.27 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 169.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.31 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 162.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1504.22 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.4 MB in the beginning and 158.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22284.42 ms. Allocated memory was 239.1 MB in the beginning and 558.9 MB in the end (delta: 319.8 MB). Free memory was 157.1 MB in the beginning and 384.3 MB in the end (delta: -227.2 MB). Peak memory consumption was 397.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((a15 == 9 || (12 <= a12 && a15 <= 8)) || (9 <= a21 && a15 <= 8)) || ((7 <= a15 && a21 <= 7) && a15 <= 8)) || !(\old(a12) + 49 <= 0)) || (a15 <= 8 && a21 <= 6)) || ((7 <= a15 && a15 <= 8) && (!(a15 == 8) || 8 == \old(a15)))) || !(7 <= \old(a15))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Result: SAFE, OverallTime: 22.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 1375 SDtfs, 2842 SDslu, 263 SDs, 0 SdLazy, 9068 SolverSat, 1539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1602 GetRequests, 1531 SyntacticMatches, 9 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4738occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 806 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 293 NumberOfFragments, 323 HoareAnnotationTreeSize, 161 FomulaSimplifications, 8762 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2734 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3268 NumberOfCodeBlocks, 3268 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3252 ConstructedInterpolants, 0 QuantifiedInterpolants, 1447505 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2619 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 1795/1810 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...