/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_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:08:22,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:08:22,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:08:22,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:08:22,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:08:22,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:08:22,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:08:22,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:08:22,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:08:22,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:08:22,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:08:22,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:08:22,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:08:22,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:08:22,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:08:22,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:08:22,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:08:22,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:08:22,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:08:22,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:08:22,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:08:22,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:08:22,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:08:22,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:08:22,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:08:22,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:08:22,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:08:22,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:08:22,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:08:22,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:08:22,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:08:22,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:08:22,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:08:22,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:08:22,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:08:22,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:08:22,260 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:08:22,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:08:22,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:08:22,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:08:22,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:08:22,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:08:22,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:22,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:08:22,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:08:22,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:08:22,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:08:22,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:08:22,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:08:22,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:08:22,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:08:22,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:08:22,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:08:22,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:08:22,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:08:22,573 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:08:22,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-07-17 12:08:22,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7320045e8/617e2d2ee76747869f7c50c6bc8c9e20/FLAG2e751f008 [2020-07-17 12:08:23,140 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:08:23,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-07-17 12:08:23,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7320045e8/617e2d2ee76747869f7c50c6bc8c9e20/FLAG2e751f008 [2020-07-17 12:08:23,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7320045e8/617e2d2ee76747869f7c50c6bc8c9e20 [2020-07-17 12:08:23,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:08:23,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:08:23,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:23,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:08:23,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:08:23,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:23" (1/1) ... [2020-07-17 12:08:23,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47589c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:23, skipping insertion in model container [2020-07-17 12:08:23,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:23" (1/1) ... [2020-07-17 12:08:23,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:08:23,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:08:23,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:23,904 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:08:24,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:24,166 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:08:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24 WrapperNode [2020-07-17 12:08:24,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:24,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:08:24,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:08:24,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:08:24,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... [2020-07-17 12:08:24,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:08:24,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:08:24,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:08:24,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:08:24,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:08:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:08:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:08:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:08:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:08:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:08:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:08:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:08:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:08:25,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:08:25,753 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:08:25,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:25 BoogieIcfgContainer [2020-07-17 12:08:25,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:08:25,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:08:25,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:08:25,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:08:25,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:08:23" (1/3) ... [2020-07-17 12:08:25,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:25, skipping insertion in model container [2020-07-17 12:08:25,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:24" (2/3) ... [2020-07-17 12:08:25,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71db8ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:25, skipping insertion in model container [2020-07-17 12:08:25,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:25" (3/3) ... [2020-07-17 12:08:25,767 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-07-17 12:08:25,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:08:25,784 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:08:25,797 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:08:25,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:08:25,820 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:08:25,820 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:08:25,820 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:08:25,820 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:08:25,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:08:25,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:08:25,821 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:08:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:08:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 12:08:25,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:25,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:25,855 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:25,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:25,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1614181646, now seen corresponding path program 1 times [2020-07-17 12:08:25,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:25,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73668074] [2020-07-17 12:08:25,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:26,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73668074] [2020-07-17 12:08:26,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:26,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:08:26,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495689853] [2020-07-17 12:08:26,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:08:26,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:26,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:08:26,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:08:26,307 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-17 12:08:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:28,905 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-17 12:08:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:08:28,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-07-17 12:08:28,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:28,954 INFO L225 Difference]: With dead ends: 730 [2020-07-17 12:08:28,954 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 12:08:28,969 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 [2020-07-17 12:08:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 12:08:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-17 12:08:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-17 12:08:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-17 12:08:29,092 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 61 [2020-07-17 12:08:29,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:29,093 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-17 12:08:29,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:08:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-17 12:08:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-17 12:08:29,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:29,104 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, 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] [2020-07-17 12:08:29,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:08:29,105 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:29,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:29,106 INFO L82 PathProgramCache]: Analyzing trace with hash 562524769, now seen corresponding path program 1 times [2020-07-17 12:08:29,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:29,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795812490] [2020-07-17 12:08:29,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:29,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795812490] [2020-07-17 12:08:29,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:29,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 12:08:29,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874613095] [2020-07-17 12:08:29,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 12:08:29,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:29,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 12:08:29,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:08:29,713 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 7 states. [2020-07-17 12:08:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:31,128 INFO L93 Difference]: Finished difference Result 1033 states and 1590 transitions. [2020-07-17 12:08:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:08:31,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-07-17 12:08:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:31,136 INFO L225 Difference]: With dead ends: 1033 [2020-07-17 12:08:31,137 INFO L226 Difference]: Without dead ends: 598 [2020-07-17 12:08:31,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:31,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-07-17 12:08:31,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 590. [2020-07-17 12:08:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-17 12:08:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 865 transitions. [2020-07-17 12:08:31,211 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 865 transitions. Word has length 180 [2020-07-17 12:08:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:31,213 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 865 transitions. [2020-07-17 12:08:31,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 12:08:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 865 transitions. [2020-07-17 12:08:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-17 12:08:31,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:31,231 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, 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] [2020-07-17 12:08:31,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:08:31,232 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:31,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:31,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1013955258, now seen corresponding path program 1 times [2020-07-17 12:08:31,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:31,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110891368] [2020-07-17 12:08:31,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:31,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110891368] [2020-07-17 12:08:31,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:31,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:31,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096140056] [2020-07-17 12:08:31,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:31,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:31,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:31,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:31,666 INFO L87 Difference]: Start difference. First operand 590 states and 865 transitions. Second operand 8 states. [2020-07-17 12:08:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:33,772 INFO L93 Difference]: Finished difference Result 1943 states and 3025 transitions. [2020-07-17 12:08:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 12:08:33,773 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-07-17 12:08:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:33,783 INFO L225 Difference]: With dead ends: 1943 [2020-07-17 12:08:33,786 INFO L226 Difference]: Without dead ends: 1359 [2020-07-17 12:08:33,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-07-17 12:08:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2020-07-17 12:08:33,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 894. [2020-07-17 12:08:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-17 12:08:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1190 transitions. [2020-07-17 12:08:33,837 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1190 transitions. Word has length 187 [2020-07-17 12:08:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:33,838 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1190 transitions. [2020-07-17 12:08:33,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1190 transitions. [2020-07-17 12:08:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-07-17 12:08:33,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:33,845 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:33,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:08:33,845 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1373393371, now seen corresponding path program 1 times [2020-07-17 12:08:33,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:33,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537082218] [2020-07-17 12:08:33,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:08:34,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537082218] [2020-07-17 12:08:34,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347778968] [2020-07-17 12:08:34,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:34,645 INFO L264 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:34,660 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:34,749 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 12:08:34,749 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:08:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:34,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:34,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2020-07-17 12:08:34,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732337780] [2020-07-17 12:08:34,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 12:08:34,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:34,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 12:08:34,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-17 12:08:34,893 INFO L87 Difference]: Start difference. First operand 894 states and 1190 transitions. Second operand 15 states. [2020-07-17 12:08:40,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:40,470 INFO L93 Difference]: Finished difference Result 3014 states and 4373 transitions. [2020-07-17 12:08:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-17 12:08:40,471 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 250 [2020-07-17 12:08:40,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:40,486 INFO L225 Difference]: With dead ends: 3014 [2020-07-17 12:08:40,487 INFO L226 Difference]: Without dead ends: 2269 [2020-07-17 12:08:40,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=448, Invalid=1808, Unknown=0, NotChecked=0, Total=2256 [2020-07-17 12:08:40,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2020-07-17 12:08:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 1653. [2020-07-17 12:08:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2020-07-17 12:08:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2130 transitions. [2020-07-17 12:08:40,600 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2130 transitions. Word has length 250 [2020-07-17 12:08:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:40,602 INFO L479 AbstractCegarLoop]: Abstraction has 1653 states and 2130 transitions. [2020-07-17 12:08:40,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 12:08:40,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2130 transitions. [2020-07-17 12:08:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-07-17 12:08:40,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:40,611 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:40,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:40,825 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:40,826 INFO L82 PathProgramCache]: Analyzing trace with hash -73832098, now seen corresponding path program 1 times [2020-07-17 12:08:40,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:40,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498820259] [2020-07-17 12:08:40,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 108 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:08:41,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498820259] [2020-07-17 12:08:41,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774339034] [2020-07-17 12:08:41,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:41,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 12:08:41,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-17 12:08:41,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:41,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-07-17 12:08:41,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24664891] [2020-07-17 12:08:41,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:08:41,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:08:41,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:41,304 INFO L87 Difference]: Start difference. First operand 1653 states and 2130 transitions. Second operand 5 states. [2020-07-17 12:08:42,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:42,314 INFO L93 Difference]: Finished difference Result 3791 states and 5148 transitions. [2020-07-17 12:08:42,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:08:42,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2020-07-17 12:08:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:42,339 INFO L225 Difference]: With dead ends: 3791 [2020-07-17 12:08:42,339 INFO L226 Difference]: Without dead ends: 2287 [2020-07-17 12:08:42,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:08:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2020-07-17 12:08:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2239. [2020-07-17 12:08:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2020-07-17 12:08:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2757 transitions. [2020-07-17 12:08:42,426 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2757 transitions. Word has length 275 [2020-07-17 12:08:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:42,427 INFO L479 AbstractCegarLoop]: Abstraction has 2239 states and 2757 transitions. [2020-07-17 12:08:42,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:08:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2757 transitions. [2020-07-17 12:08:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-17 12:08:42,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:42,439 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, 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, 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] [2020-07-17 12:08:42,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:42,652 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:42,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:42,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2127316315, now seen corresponding path program 1 times [2020-07-17 12:08:42,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:42,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966443256] [2020-07-17 12:08:42,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 170 proven. 218 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 12:08:43,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966443256] [2020-07-17 12:08:43,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693410191] [2020-07-17 12:08:43,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:43,378 INFO L264 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:43,386 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-17 12:08:43,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:43,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-07-17 12:08:43,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801614195] [2020-07-17 12:08:43,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 12:08:43,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:43,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 12:08:43,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:08:43,589 INFO L87 Difference]: Start difference. First operand 2239 states and 2757 transitions. Second operand 13 states. [2020-07-17 12:08:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:48,579 INFO L93 Difference]: Finished difference Result 6674 states and 8438 transitions. [2020-07-17 12:08:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-17 12:08:48,580 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 336 [2020-07-17 12:08:48,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:48,593 INFO L225 Difference]: With dead ends: 6674 [2020-07-17 12:08:48,593 INFO L226 Difference]: Without dead ends: 3095 [2020-07-17 12:08:48,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=275, Invalid=1057, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 12:08:48,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2020-07-17 12:08:48,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 2513. [2020-07-17 12:08:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-07-17 12:08:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3032 transitions. [2020-07-17 12:08:48,677 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3032 transitions. Word has length 336 [2020-07-17 12:08:48,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:48,677 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3032 transitions. [2020-07-17 12:08:48,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 12:08:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3032 transitions. [2020-07-17 12:08:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-07-17 12:08:48,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:48,688 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:08:48,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:48,904 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:48,905 INFO L82 PathProgramCache]: Analyzing trace with hash -467387859, now seen corresponding path program 1 times [2020-07-17 12:08:48,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:48,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020236381] [2020-07-17 12:08:48,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 237 proven. 187 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 12:08:49,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020236381] [2020-07-17 12:08:49,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434630050] [2020-07-17 12:08:49,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:49,722 INFO L264 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 12:08:49,731 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:49,787 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:08:49,789 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:08:49,791 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,792 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,794 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,796 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,805 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,808 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:08:49,812 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:08:49,814 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,815 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,819 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,822 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,827 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,829 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:08:49,835 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,838 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,844 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,847 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:08:49,848 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,850 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,853 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,854 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,855 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:08:49,857 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:08:49,858 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:05,112 WARN L193 SmtUtils]: Spent 15.09 s on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-07-17 12:09:05,193 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-17 12:09:05,321 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 12:09:05,321 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:05,322 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:05,360 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-17 12:09:05,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:09:05,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 12:09:05,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729510352] [2020-07-17 12:09:05,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 12:09:05,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:05,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 12:09:05,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-07-17 12:09:05,526 INFO L87 Difference]: Start difference. First operand 2513 states and 3032 transitions. Second operand 17 states. [2020-07-17 12:09:06,526 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-07-17 12:09:10,004 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-07-17 12:09:33,934 WARN L193 SmtUtils]: Spent 23.75 s on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-17 12:09:39,984 WARN L193 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-17 12:09:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:42,141 INFO L93 Difference]: Finished difference Result 5630 states and 6960 transitions. [2020-07-17 12:09:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-17 12:09:42,142 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 372 [2020-07-17 12:09:42,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:42,156 INFO L225 Difference]: With dead ends: 5630 [2020-07-17 12:09:42,156 INFO L226 Difference]: Without dead ends: 3266 [2020-07-17 12:09:42,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 389 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2020-07-17 12:09:42,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3266 states. [2020-07-17 12:09:42,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3266 to 3246. [2020-07-17 12:09:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3246 states. [2020-07-17 12:09:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 3866 transitions. [2020-07-17 12:09:42,250 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 3866 transitions. Word has length 372 [2020-07-17 12:09:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:42,251 INFO L479 AbstractCegarLoop]: Abstraction has 3246 states and 3866 transitions. [2020-07-17 12:09:42,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 12:09:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3866 transitions. [2020-07-17 12:09:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-17 12:09:42,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:09:42,264 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:09:42,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:42,479 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:09:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:09:42,480 INFO L82 PathProgramCache]: Analyzing trace with hash -145294626, now seen corresponding path program 1 times [2020-07-17 12:09:42,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:09:42,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218321928] [2020-07-17 12:09:42,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:09:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-07-17 12:09:42,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218321928] [2020-07-17 12:09:42,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702607002] [2020-07-17 12:09:42,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:09:43,110 INFO L264 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-17 12:09:43,117 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:09:43,408 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-07-17 12:09:43,416 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,417 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:43,418 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:43,418 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,419 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,420 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,420 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,421 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,422 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,423 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,424 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,425 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,426 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,427 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,427 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,429 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,429 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,430 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,431 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,432 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,433 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,434 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,435 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,436 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,437 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,438 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,439 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:43,440 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,441 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,441 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,442 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,443 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,444 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,445 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,446 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:43,446 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,447 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,448 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,449 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,450 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,451 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,452 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,453 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,453 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,455 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,455 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,456 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,457 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,458 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,459 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,460 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,460 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,461 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,462 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,462 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,463 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,465 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,466 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,467 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,468 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,469 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,470 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,471 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,472 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,473 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,473 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,475 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,476 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,476 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-17 12:09:43,477 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,478 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,479 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,480 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,480 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,482 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 12:09:43,482 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,483 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,484 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,485 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,485 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,486 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,487 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,488 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-17 12:09:43,489 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,489 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,490 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,491 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-17 12:09:43,492 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,493 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,493 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,494 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,495 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,496 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,497 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,498 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:43,499 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-17 12:09:43,500 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-17 12:09:43,500 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-17 12:09:45,017 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 32 [2020-07-17 12:09:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 195 proven. 166 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-17 12:09:45,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:09:45,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 11 [2020-07-17 12:09:45,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104181804] [2020-07-17 12:09:45,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 12:09:45,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:09:45,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 12:09:45,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-17 12:09:45,344 INFO L87 Difference]: Start difference. First operand 3246 states and 3866 transitions. Second operand 11 states. [2020-07-17 12:09:46,271 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-07-17 12:09:46,471 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2020-07-17 12:09:47,358 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-07-17 12:09:49,225 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-07-17 12:09:49,604 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2020-07-17 12:09:50,673 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-07-17 12:09:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:09:51,115 INFO L93 Difference]: Finished difference Result 6786 states and 8211 transitions. [2020-07-17 12:09:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 12:09:51,117 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 391 [2020-07-17 12:09:51,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:09:51,118 INFO L225 Difference]: With dead ends: 6786 [2020-07-17 12:09:51,118 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:09:51,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 408 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-07-17 12:09:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:09:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:09:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:09:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:09:51,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2020-07-17 12:09:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:09:51,132 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:09:51,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 12:09:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:09:51,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:09:51,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:09:51,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:09:52,027 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 230 [2020-07-17 12:09:52,286 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 230 [2020-07-17 12:09:52,454 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-07-17 12:09:53,688 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 265 DAG size of output: 78 [2020-07-17 12:09:54,852 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 232 DAG size of output: 79 [2020-07-17 12:09:55,973 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 232 DAG size of output: 79 [2020-07-17 12:09:55,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:09:55,978 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:09:55,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:09:55,978 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:09:55,978 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,978 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:09:55,979 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:09:55,980 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:09:55,981 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,982 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:09:55,983 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:09:55,984 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:09:55,985 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,986 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,987 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:09:55,988 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:09:55,989 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:09:55,990 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:09:55,991 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse8 (not (<= |old(~a19~0)| 9))) (.cse4 (= 6 |old(~a19~0)|)) (.cse1 (not (= 0 ~a12~0))) (.cse2 (not (= 14 ~a4~0))) (.cse3 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a1~0)| 23)) .cse0 .cse1 .cse2 .cse3 (= 1 |old(~a10~0)|)) (or .cse4 .cse0 .cse3) (or (not (= 3 |old(~a10~0)|)) .cse1 .cse2 (forall ((v_~a1~0_349 Int)) (let ((.cse7 (mod v_~a1~0_349 25))) (let ((.cse5 (mod (+ (* .cse7 5) 10) 25)) (.cse6 (* 5 .cse7))) (or (not (<= v_~a1~0_349 38)) (not (<= |old(~a1~0)| (+ .cse5 13))) (not (<= 0 v_~a1~0_349)) (= 0 .cse5) (not (< .cse6 65)) (not (<= 0 (+ .cse6 60))))))) .cse8 .cse3) (or (not (<= |old(~a10~0)| 0)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse8 .cse3) (or .cse4 .cse1 .cse2 .cse3 (not (<= |old(~a10~0)| 2))))) [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,992 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:09:55,993 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,994 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:09:55,995 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,996 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:09:55,997 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-17 12:09:55,998 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:09:55,998 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:09:55,998 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:09:55,999 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:09:55,999 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= 6 ~a19~0))) (.cse0 (<= ~a19~0 8)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse6 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (and .cse2 .cse1 (<= ~a10~0 2)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a1~0 23) (not (= 1 ~a10~0))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0) (not (= 0 ~a12~0)) (and .cse0 .cse2 (= 3 ~a10~0) (exists ((v_~a1~0_349 Int)) (let ((.cse5 (mod v_~a1~0_349 25))) (let ((.cse3 (* 5 .cse5)) (.cse4 (mod (+ (* .cse5 5) 10) 25))) (and (<= 0 (+ .cse3 60)) (< .cse3 65) (<= ~a1~0 (+ .cse4 13)) (<= v_~a1~0_349 38) (<= 0 v_~a1~0_349) (not (= 0 .cse4))))))) (and .cse2 .cse6) (and (= ~a10~0 |old(~a10~0)|) .cse6 (= ~a1~0 |old(~a1~0)|)))) [2020-07-17 12:09:55,999 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:09:55,999 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:09:55,999 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= 6 ~a19~0))) (.cse0 (<= ~a19~0 8)) (.cse2 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse6 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1) (not (<= |old(~a1~0)| 23)) (and .cse2 .cse1 (<= ~a10~0 2)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (<= ~a1~0 23) (not (= 1 ~a10~0))) (not (<= |old(~a19~0)| 9)) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) .cse0) (not (= 0 ~a12~0)) (and .cse0 .cse2 (= 3 ~a10~0) (exists ((v_~a1~0_349 Int)) (let ((.cse5 (mod v_~a1~0_349 25))) (let ((.cse3 (* 5 .cse5)) (.cse4 (mod (+ (* .cse5 5) 10) 25))) (and (<= 0 (+ .cse3 60)) (< .cse3 65) (<= ~a1~0 (+ .cse4 13)) (<= v_~a1~0_349 38) (<= 0 v_~a1~0_349) (not (= 0 .cse4))))))) (and .cse2 .cse6) (and (= ~a10~0 |old(~a10~0)|) .cse6 (= ~a1~0 |old(~a1~0)|)))) [2020-07-17 12:09:56,000 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:09:56,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:09:56 BoogieIcfgContainer [2020-07-17 12:09:56,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:09:56,029 INFO L168 Benchmark]: Toolchain (without parser) took 92612.05 ms. Allocated memory was 142.1 MB in the beginning and 666.4 MB in the end (delta: 524.3 MB). Free memory was 100.9 MB in the beginning and 580.9 MB in the end (delta: -479.9 MB). Peak memory consumption was 521.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,030 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.65 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,031 INFO L168 Benchmark]: Boogie Preprocessor took 124.05 ms. Allocated memory is still 206.0 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,032 INFO L168 Benchmark]: RCFGBuilder took 1466.31 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 166.2 MB in the beginning and 181.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,033 INFO L168 Benchmark]: TraceAbstraction took 90267.27 ms. Allocated memory was 237.5 MB in the beginning and 666.4 MB in the end (delta: 428.9 MB). Free memory was 180.1 MB in the beginning and 580.9 MB in the end (delta: -400.7 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:09:56,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.65 ms. Allocated memory was 142.1 MB in the beginning and 206.0 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.05 ms. Allocated memory is still 206.0 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.31 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 166.2 MB in the beginning and 181.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 90267.27 ms. Allocated memory was 237.5 MB in the beginning and 666.4 MB in the end (delta: 428.9 MB). Free memory was 180.1 MB in the beginning and 580.9 MB in the end (delta: -400.7 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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 [2020-07-17 12:09:56,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] [2020-07-17 12:09:56,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_349,QUANTIFIED] Derived loop invariant: (((((((((((((a19 <= 8 && !(6 == a19)) || !(\old(a1) <= 23)) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && !(6 == a19)) && a10 <= 2)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(14 == a4)) || ((a19 <= 8 && a1 <= 23) && !(1 == a10))) || !(\old(a19) <= 9)) || !(23 <= \old(a1))) || (a10 <= 0 && a19 <= 8)) || !(0 == a12)) || (((a19 <= 8 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && 3 == a10) && (\exists v_~a1~0_349 : int :: ((((0 <= 5 * (v_~a1~0_349 % 25) + 60 && 5 * (v_~a1~0_349 % 25) < 65) && a1 <= (v_~a1~0_349 % 25 * 5 + 10) % 25 + 13) && v_~a1~0_349 <= 38) && 0 <= v_~a1~0_349) && !(0 == (v_~a1~0_349 % 25 * 5 + 10) % 25)))) || ((0 == \old(a10) || \old(a1) + 13 <= 0) && a19 == \old(a19))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 60.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 7893 SDslu, 551 SDs, 0 SdLazy, 14507 SolverSat, 3296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1894 GetRequests, 1705 SyntacticMatches, 2 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1484 ImplicationChecksByTransitivity, 52.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3246occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 1745 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 118 PreInvPairs, 194 NumberOfFragments, 617 HoareAnnotationTreeSize, 118 FomulaSimplifications, 28714 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15602 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 3676 NumberOfCodeBlocks, 3676 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3663 ConstructedInterpolants, 8 QuantifiedInterpolants, 4032460 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2601 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 2720/3392 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...