/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/Problem10_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:38:10,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:38:10,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:38:10,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:38:10,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:38:10,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:38:10,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:38:10,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:38:10,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:38:10,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:38:10,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:38:10,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:38:10,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:38:10,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:38:10,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:38:10,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:38:10,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:38:10,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:38:10,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:38:10,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:38:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:38:10,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:38:10,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:38:10,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:38:10,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:38:10,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:38:10,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:38:10,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:38:10,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:38:10,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:38:10,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:38:10,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:38:10,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:38:10,332 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:38:10,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:38:10,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:38:10,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:38:10,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:38:10,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:38:10,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:38:10,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:38:10,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:38:10,334 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:38:10,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:38:10,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:38:10,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:38:10,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:38:10,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:38:10,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:38:10,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:38:10,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:10,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:38:10,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:38:10,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:38:10,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:38:10,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:38:10,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:38:10,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:38:10,864 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:38:10,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-09-04 13:38:10,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc78d0f6/5c6746bd67ae4c2380575c00ba7be219/FLAG1dc14ee9e [2020-09-04 13:38:11,612 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:38:11,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-09-04 13:38:11,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc78d0f6/5c6746bd67ae4c2380575c00ba7be219/FLAG1dc14ee9e [2020-09-04 13:38:11,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cc78d0f6/5c6746bd67ae4c2380575c00ba7be219 [2020-09-04 13:38:11,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:38:11,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:38:11,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:11,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:38:11,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:38:11,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601fc90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:11, skipping insertion in model container [2020-09-04 13:38:11,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:11" (1/1) ... [2020-09-04 13:38:11,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:38:11,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:38:12,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:12,455 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:38:12,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:12,691 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:38:12,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12 WrapperNode [2020-09-04 13:38:12,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:12,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:38:12,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:38:12,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:38:12,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... [2020-09-04 13:38:12,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:38:12,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:38:12,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:38:12,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:38:12,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:38:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:38:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:38:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:38:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:38:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:38:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:38:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:38:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:38:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:38:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:38:14,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:38:14,230 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:38:14,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:14 BoogieIcfgContainer [2020-09-04 13:38:14,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:38:14,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:38:14,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:38:14,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:38:14,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:38:11" (1/3) ... [2020-09-04 13:38:14,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58458946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:14, skipping insertion in model container [2020-09-04 13:38:14,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:12" (2/3) ... [2020-09-04 13:38:14,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58458946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:14, skipping insertion in model container [2020-09-04 13:38:14,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:14" (3/3) ... [2020-09-04 13:38:14,248 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-09-04 13:38:14,260 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:38:14,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:38:14,296 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:38:14,332 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:38:14,332 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:38:14,332 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:38:14,332 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:38:14,332 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:38:14,333 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:38:14,333 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:38:14,333 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:38:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:38:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-04 13:38:14,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:14,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:14,377 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:14,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:14,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-09-04 13:38:14,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:14,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717461716] [2020-09-04 13:38:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:14,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:14,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717461716] [2020-09-04 13:38:14,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:14,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:38:14,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390390166] [2020-09-04 13:38:14,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:38:14,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:14,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:38:14,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:14,877 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-04 13:38:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:17,128 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-04 13:38:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:38:17,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-09-04 13:38:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:17,155 INFO L225 Difference]: With dead ends: 730 [2020-09-04 13:38:17,156 INFO L226 Difference]: Without dead ends: 447 [2020-09-04 13:38:17,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-04 13:38:17,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-04 13:38:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-04 13:38:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-04 13:38:17,269 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-09-04 13:38:17,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:17,270 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-04 13:38:17,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:38:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-04 13:38:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-09-04 13:38:17,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:17,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:17,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:38:17,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:17,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:17,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-09-04 13:38:17,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:17,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414203152] [2020-09-04 13:38:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:17,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414203152] [2020-09-04 13:38:17,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:17,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:17,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108579677] [2020-09-04 13:38:17,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:17,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:17,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:17,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:17,663 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-09-04 13:38:20,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:20,062 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-09-04 13:38:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:38:20,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-09-04 13:38:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:20,072 INFO L225 Difference]: With dead ends: 1490 [2020-09-04 13:38:20,072 INFO L226 Difference]: Without dead ends: 1055 [2020-09-04 13:38:20,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:38:20,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-09-04 13:38:20,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-09-04 13:38:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-04 13:38:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-09-04 13:38:20,146 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-09-04 13:38:20,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:20,147 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-09-04 13:38:20,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-09-04 13:38:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-04 13:38:20,154 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:20,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:20,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:38:20,156 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:20,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:20,160 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-09-04 13:38:20,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:20,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860075694] [2020-09-04 13:38:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:20,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860075694] [2020-09-04 13:38:20,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:20,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:20,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282716132] [2020-09-04 13:38:20,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:20,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:20,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:20,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:20,554 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-09-04 13:38:22,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:22,126 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-09-04 13:38:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:38:22,127 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-09-04 13:38:22,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:22,136 INFO L225 Difference]: With dead ends: 1822 [2020-09-04 13:38:22,136 INFO L226 Difference]: Without dead ends: 1083 [2020-09-04 13:38:22,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-04 13:38:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-09-04 13:38:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-09-04 13:38:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-09-04 13:38:22,224 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-09-04 13:38:22,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:22,225 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-09-04 13:38:22,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-09-04 13:38:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-04 13:38:22,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:22,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:22,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:38:22,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-09-04 13:38:22,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:22,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108540004] [2020-09-04 13:38:22,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:22,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:22,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:38:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:38:22,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108540004] [2020-09-04 13:38:22,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255145784] [2020-09-04 13:38:22,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:22,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:22,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:22,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:22,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:38:22,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058246280] [2020-09-04 13:38:23,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:38:23,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:23,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:38:23,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:23,001 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 10 states. [2020-09-04 13:38:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:27,591 INFO L93 Difference]: Finished difference Result 2871 states and 3866 transitions. [2020-09-04 13:38:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 13:38:27,592 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-04 13:38:27,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:27,604 INFO L225 Difference]: With dead ends: 2871 [2020-09-04 13:38:27,605 INFO L226 Difference]: Without dead ends: 1822 [2020-09-04 13:38:27,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-09-04 13:38:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-09-04 13:38:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1504. [2020-09-04 13:38:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-09-04 13:38:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1887 transitions. [2020-09-04 13:38:27,683 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1887 transitions. Word has length 208 [2020-09-04 13:38:27,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:27,685 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1887 transitions. [2020-09-04 13:38:27,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:38:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1887 transitions. [2020-09-04 13:38:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-04 13:38:27,690 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:27,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:27,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:27,905 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:27,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:27,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-09-04 13:38:27,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:27,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872229608] [2020-09-04 13:38:27,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-04 13:38:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:38:28,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872229608] [2020-09-04 13:38:28,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468610974] [2020-09-04 13:38:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:28,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-04 13:38:28,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:28,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:38:28,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151730913] [2020-09-04 13:38:28,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:28,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:28,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:28,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:28,624 INFO L87 Difference]: Start difference. First operand 1504 states and 1887 transitions. Second operand 3 states. [2020-09-04 13:38:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:29,373 INFO L93 Difference]: Finished difference Result 3002 states and 3772 transitions. [2020-09-04 13:38:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:29,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-09-04 13:38:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:29,383 INFO L225 Difference]: With dead ends: 3002 [2020-09-04 13:38:29,384 INFO L226 Difference]: Without dead ends: 1504 [2020-09-04 13:38:29,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-09-04 13:38:29,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1361. [2020-09-04 13:38:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2020-09-04 13:38:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1663 transitions. [2020-09-04 13:38:29,460 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1663 transitions. Word has length 209 [2020-09-04 13:38:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:29,460 INFO L479 AbstractCegarLoop]: Abstraction has 1361 states and 1663 transitions. [2020-09-04 13:38:29,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2020-09-04 13:38:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-09-04 13:38:29,465 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:29,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:29,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:29,680 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1055956540, now seen corresponding path program 1 times [2020-09-04 13:38:29,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:29,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468608366] [2020-09-04 13:38:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:29,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-04 13:38:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:38:29,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468608366] [2020-09-04 13:38:29,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622416352] [2020-09-04 13:38:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:30,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-04 13:38:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-04 13:38:30,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:30,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-09-04 13:38:30,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514109788] [2020-09-04 13:38:30,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:38:30,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:30,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:38:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:30,264 INFO L87 Difference]: Start difference. First operand 1361 states and 1663 transitions. Second operand 5 states. [2020-09-04 13:38:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:31,408 INFO L93 Difference]: Finished difference Result 2889 states and 3525 transitions. [2020-09-04 13:38:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:38:31,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-09-04 13:38:31,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:31,420 INFO L225 Difference]: With dead ends: 2889 [2020-09-04 13:38:31,420 INFO L226 Difference]: Without dead ends: 1534 [2020-09-04 13:38:31,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-09-04 13:38:31,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1363. [2020-09-04 13:38:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-09-04 13:38:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1637 transitions. [2020-09-04 13:38:31,465 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1637 transitions. Word has length 215 [2020-09-04 13:38:31,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:31,466 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1637 transitions. [2020-09-04 13:38:31,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:38:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1637 transitions. [2020-09-04 13:38:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-09-04 13:38:31,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:31,473 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:31,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:31,687 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:31,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:31,688 INFO L82 PathProgramCache]: Analyzing trace with hash 2133941150, now seen corresponding path program 1 times [2020-09-04 13:38:31,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:31,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565098368] [2020-09-04 13:38:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:31,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:31,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 13:38:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:31,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 13:38:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 107 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:38:32,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565098368] [2020-09-04 13:38:32,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075551385] [2020-09-04 13:38:32,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:32,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:32,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-04 13:38:32,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:32,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-09-04 13:38:32,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359667662] [2020-09-04 13:38:32,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:38:32,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:32,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:38:32,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:32,459 INFO L87 Difference]: Start difference. First operand 1363 states and 1637 transitions. Second operand 13 states. [2020-09-04 13:38:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:39,005 INFO L93 Difference]: Finished difference Result 5357 states and 6700 transitions. [2020-09-04 13:38:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 13:38:39,006 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-09-04 13:38:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:39,019 INFO L225 Difference]: With dead ends: 5357 [2020-09-04 13:38:39,019 INFO L226 Difference]: Without dead ends: 2797 [2020-09-04 13:38:39,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 13:38:39,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2020-09-04 13:38:39,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 1347. [2020-09-04 13:38:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-09-04 13:38:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1564 transitions. [2020-09-04 13:38:39,087 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1564 transitions. Word has length 294 [2020-09-04 13:38:39,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:39,087 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1564 transitions. [2020-09-04 13:38:39,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:38:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1564 transitions. [2020-09-04 13:38:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-04 13:38:39,094 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:39,095 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:39,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:39,310 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:39,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:39,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-09-04 13:38:39,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:39,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340816158] [2020-09-04 13:38:39,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:38:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 13:38:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,858 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 174 proven. 170 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:38:39,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340816158] [2020-09-04 13:38:39,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309834488] [2020-09-04 13:38:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:39,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-09-04 13:38:39,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:40,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:40,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,098 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,159 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,176 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,218 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,230 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:40,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-04 13:38:40,317 WARN L333 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Possible infinite loop detected aux_div_39 already exists [2020-09-04 13:38:40,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:40,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 13:38:40,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568511522] [2020-09-04 13:38:40,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 13:38:40,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:40,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 13:38:40,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:40,320 INFO L87 Difference]: Start difference. First operand 1347 states and 1564 transitions. Second operand 11 states. [2020-09-04 13:38:45,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:45,089 INFO L93 Difference]: Finished difference Result 3729 states and 4478 transitions. [2020-09-04 13:38:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 13:38:45,090 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 330 [2020-09-04 13:38:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:45,101 INFO L225 Difference]: With dead ends: 3729 [2020-09-04 13:38:45,102 INFO L226 Difference]: Without dead ends: 2531 [2020-09-04 13:38:45,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2020-09-04 13:38:45,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2020-09-04 13:38:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2376. [2020-09-04 13:38:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2376 states. [2020-09-04 13:38:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2754 transitions. [2020-09-04 13:38:45,182 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2754 transitions. Word has length 330 [2020-09-04 13:38:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:45,183 INFO L479 AbstractCegarLoop]: Abstraction has 2376 states and 2754 transitions. [2020-09-04 13:38:45,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 13:38:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2754 transitions. [2020-09-04 13:38:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-09-04 13:38:45,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:45,197 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:45,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:45,411 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-09-04 13:38:45,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:45,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827647233] [2020-09-04 13:38:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 13:38:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-04 13:38:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-04 13:38:45,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827647233] [2020-09-04 13:38:45,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3665395] [2020-09-04 13:38:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:45,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-04 13:38:45,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:45,945 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:45,952 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:45,965 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,974 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:45,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:46,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-04 13:38:46,003 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:46,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-04 13:38:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-04 13:38:46,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:46,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-09-04 13:38:46,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187902229] [2020-09-04 13:38:46,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:46,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:46,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:46,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:46,248 INFO L87 Difference]: Start difference. First operand 2376 states and 2754 transitions. Second operand 3 states. [2020-09-04 13:38:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:47,146 INFO L93 Difference]: Finished difference Result 5322 states and 6323 transitions. [2020-09-04 13:38:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:47,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-09-04 13:38:47,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:47,155 INFO L225 Difference]: With dead ends: 5322 [2020-09-04 13:38:47,156 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:38:47,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:38:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:38:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:38:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:38:47,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-09-04 13:38:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:47,167 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:38:47,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:38:47,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:38:47,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:47,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:38:49,086 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 152 [2020-09-04 13:38:49,386 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 152 [2020-09-04 13:38:50,592 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-09-04 13:38:51,345 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 55 [2020-09-04 13:38:52,080 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 55 [2020-09-04 13:38:52,085 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:52,086 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-04 13:38:52,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:52,086 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:38:52,086 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,087 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:38:52,088 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:38:52,089 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:38:52,089 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,089 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,090 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,090 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,090 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,090 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:38:52,090 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:38:52,091 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:38:52,092 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:38:52,093 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,094 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:38:52,095 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:38:52,096 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:38:52,097 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:38:52,098 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,099 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:38:52,100 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,101 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:38:52,102 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:38:52,103 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,104 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:38:52,105 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:38:52,106 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (= 7 |old(~a19~0)|) .cse0 (not (<= |old(~a19~0)| 9))) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= |old(~a19~0)| 8)) (not (<= |old(~a1~0)| 206)) .cse0 (not (= 2 |old(~a10~0)|))))) [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,107 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:38:52,108 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,109 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:38:52,110 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:38:52,111 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:38:52,112 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:38:52,113 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:38:52,114 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:38:52,114 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:38:52,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:52,114 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-04 13:38:52,114 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:38:52,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:52,114 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-09-04 13:38:52,115 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:52,115 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 8)) (.cse1 (<= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (and .cse0 (= ~a10~0 2) (<= ~a19~0 9) (<= ~a1~0 206)) (and .cse2 (not (= 7 ~a19~0))) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) .cse3 (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse2 .cse1) (and .cse0 .cse3))) [2020-09-04 13:38:52,115 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:38:52,115 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:38:52,115 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 8)) (.cse1 (<= ~a10~0 1)) (.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (and .cse0 (= ~a10~0 2) (<= ~a19~0 9) (<= ~a1~0 206)) (and .cse2 (not (= 7 ~a19~0))) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) .cse3 (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse2 .cse1) (and .cse0 .cse3))) [2020-09-04 13:38:52,116 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:52,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:38:52 BoogieIcfgContainer [2020-09-04 13:38:52,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:38:52,150 INFO L168 Benchmark]: Toolchain (without parser) took 40287.07 ms. Allocated memory was 137.4 MB in the beginning and 628.6 MB in the end (delta: 491.3 MB). Free memory was 98.6 MB in the beginning and 375.9 MB in the end (delta: -277.3 MB). Peak memory consumption was 475.3 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,151 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.34 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 168.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,153 INFO L168 Benchmark]: Boogie Preprocessor took 113.43 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 163.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,154 INFO L168 Benchmark]: RCFGBuilder took 1431.73 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 179.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,155 INFO L168 Benchmark]: TraceAbstraction took 37909.16 ms. Allocated memory was 231.2 MB in the beginning and 628.6 MB in the end (delta: 397.4 MB). Free memory was 178.0 MB in the beginning and 375.9 MB in the end (delta: -197.8 MB). Peak memory consumption was 460.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:52,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.34 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 168.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.43 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 163.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1431.73 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 179.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37909.16 ms. Allocated memory was 231.2 MB in the beginning and 628.6 MB in the end (delta: 397.4 MB). Free memory was 178.0 MB in the beginning and 375.9 MB in the end (delta: -197.8 MB). Peak memory consumption was 460.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 <= 1) || ((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 == 2) && a19 <= 9) && a1 <= 206)) || (a19 <= 8 && !(7 == a19))) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || (a19 <= 8 && a10 <= 1)) || ((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 5545 SDslu, 462 SDs, 0 SdLazy, 11932 SolverSat, 2040 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1586 GetRequests, 1457 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2376occurred 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2581 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 168 NumberOfFragments, 360 HoareAnnotationTreeSize, 104 FomulaSimplifications, 44655 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14025 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 3204 NumberOfCodeBlocks, 3204 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1695563 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2216 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 2091/2637 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...