/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/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:33:31,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:33:31,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:33:31,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:33:31,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:33:31,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:33:31,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:33:31,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:33:31,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:33:31,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:33:31,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:33:31,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:33:31,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:33:31,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:33:31,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:33:31,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:33:31,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:33:31,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:33:31,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:33:31,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:33:31,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:33:31,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:33:31,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:33:31,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:33:31,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:33:31,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:33:31,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:33:31,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:33:31,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:33:31,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:33:31,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:33:31,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:33:31,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:33:31,892 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:33:31,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:33:31,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:33:31,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:33:31,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:33:31,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:33:31,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:33:31,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:33:31,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:33:31,894 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:33:31,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:33:31,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:33:31,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:33:31,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:33:31,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:33:31,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:33:31,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:33:31,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:33:31,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:33:31,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:33:31,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:33:31,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:33:31,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:33:31,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:33:31,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:33:31,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:33:32,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:33:32,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:33:32,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:33:32,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:33:32,378 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:33:32,379 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-09-04 13:33:32,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c82bb8b35/e5142e0f9ad64f3494d23c233edeab21/FLAG7eff8e466 [2020-09-04 13:33:33,194 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:33:33,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-09-04 13:33:33,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c82bb8b35/e5142e0f9ad64f3494d23c233edeab21/FLAG7eff8e466 [2020-09-04 13:33:33,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c82bb8b35/e5142e0f9ad64f3494d23c233edeab21 [2020-09-04 13:33:33,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:33:33,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:33:33,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:33:33,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:33:33,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:33:33,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:33:33" (1/1) ... [2020-09-04 13:33:33,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632ac694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:33, skipping insertion in model container [2020-09-04 13:33:33,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:33:33" (1/1) ... [2020-09-04 13:33:33,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:33:33,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:33:34,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:33:34,105 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:33:34,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:33:34,261 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:33:34,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34 WrapperNode [2020-09-04 13:33:34,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:33:34,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:33:34,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:33:34,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:33:34,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... [2020-09-04 13:33:34,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:33:34,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:33:34,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:33:34,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:33:34,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:33:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:33:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:33:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:33:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:33:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:33:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:33:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:33:35,616 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:33:35,616 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:33:35,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:33:35 BoogieIcfgContainer [2020-09-04 13:33:35,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:33:35,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:33:35,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:33:35,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:33:35,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:33:33" (1/3) ... [2020-09-04 13:33:35,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3864eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:33:35, skipping insertion in model container [2020-09-04 13:33:35,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:33:34" (2/3) ... [2020-09-04 13:33:35,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3864eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:33:35, skipping insertion in model container [2020-09-04 13:33:35,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:33:35" (3/3) ... [2020-09-04 13:33:35,634 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-09-04 13:33:35,646 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:33:35,657 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:33:35,681 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:33:35,715 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:33:35,715 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:33:35,715 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:33:35,716 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:33:35,716 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:33:35,716 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:33:35,716 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:33:35,716 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:33:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-04 13:33:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-04 13:33:35,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:35,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:35,767 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:35,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:35,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1457340122, now seen corresponding path program 1 times [2020-09-04 13:33:35,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:35,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468726315] [2020-09-04 13:33:35,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:33:36,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468726315] [2020-09-04 13:33:36,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:33:36,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:33:36,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638046781] [2020-09-04 13:33:36,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:33:36,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:36,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:33:36,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:33:36,606 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-04 13:33:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:38,278 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-04 13:33:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:33:38,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-09-04 13:33:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:38,299 INFO L225 Difference]: With dead ends: 557 [2020-09-04 13:33:38,299 INFO L226 Difference]: Without dead ends: 286 [2020-09-04 13:33:38,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:33:38,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-04 13:33:38,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-04 13:33:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-04 13:33:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-09-04 13:33:38,390 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 134 [2020-09-04 13:33:38,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:38,392 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-09-04 13:33:38,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:33:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-09-04 13:33:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 13:33:38,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:38,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:38,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:33:38,400 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:38,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:38,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1707028349, now seen corresponding path program 1 times [2020-09-04 13:33:38,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:38,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059014523] [2020-09-04 13:33:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:33:38,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059014523] [2020-09-04 13:33:38,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:33:38,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:33:38,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670056986] [2020-09-04 13:33:38,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:33:38,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:38,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:33:38,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:38,599 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-09-04 13:33:40,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:40,898 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-09-04 13:33:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:33:40,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2020-09-04 13:33:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:40,906 INFO L225 Difference]: With dead ends: 987 [2020-09-04 13:33:40,907 INFO L226 Difference]: Without dead ends: 713 [2020-09-04 13:33:40,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:33:40,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-09-04 13:33:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-09-04 13:33:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-09-04 13:33:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions. [2020-09-04 13:33:40,965 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 143 [2020-09-04 13:33:40,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:40,966 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 978 transitions. [2020-09-04 13:33:40,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:33:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions. [2020-09-04 13:33:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-09-04 13:33:40,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:40,974 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:33:40,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:33:40,975 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:40,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:40,975 INFO L82 PathProgramCache]: Analyzing trace with hash 2051373422, now seen corresponding path program 1 times [2020-09-04 13:33:40,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:40,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884973277] [2020-09-04 13:33:40,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:33:41,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884973277] [2020-09-04 13:33:41,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619835330] [2020-09-04 13:33:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:41,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:41,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-04 13:33:41,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:33:41,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:33:41,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998463002] [2020-09-04 13:33:41,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:33:41,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:41,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:33:41,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:41,638 INFO L87 Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 3 states. [2020-09-04 13:33:42,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:42,344 INFO L93 Difference]: Finished difference Result 2079 states and 2984 transitions. [2020-09-04 13:33:42,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:33:42,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-09-04 13:33:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:42,355 INFO L225 Difference]: With dead ends: 2079 [2020-09-04 13:33:42,355 INFO L226 Difference]: Without dead ends: 1386 [2020-09-04 13:33:42,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:33:42,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2020-09-04 13:33:42,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1112. [2020-09-04 13:33:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-09-04 13:33:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1528 transitions. [2020-09-04 13:33:42,416 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1528 transitions. Word has length 168 [2020-09-04 13:33:42,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:42,417 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1528 transitions. [2020-09-04 13:33:42,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:33:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1528 transitions. [2020-09-04 13:33:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 13:33:42,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:42,427 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:33:42,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:33:42,641 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:42,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:42,642 INFO L82 PathProgramCache]: Analyzing trace with hash 490449498, now seen corresponding path program 1 times [2020-09-04 13:33:42,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:42,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498192122] [2020-09-04 13:33:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:42,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:42,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:33:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:33:43,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498192122] [2020-09-04 13:33:43,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357413536] [2020-09-04 13:33:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:43,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:33:43,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:33:43,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:33:43,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:33:43,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832427534] [2020-09-04 13:33:43,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:33:43,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:43,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:33:43,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:33:43,487 INFO L87 Difference]: Start difference. First operand 1112 states and 1528 transitions. Second operand 10 states. [2020-09-04 13:33:47,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:47,944 INFO L93 Difference]: Finished difference Result 3532 states and 5712 transitions. [2020-09-04 13:33:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-04 13:33:47,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-04 13:33:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:47,967 INFO L225 Difference]: With dead ends: 3532 [2020-09-04 13:33:47,968 INFO L226 Difference]: Without dead ends: 2426 [2020-09-04 13:33:47,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2020-09-04 13:33:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2020-09-04 13:33:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1563. [2020-09-04 13:33:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-09-04 13:33:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2099 transitions. [2020-09-04 13:33:48,083 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2099 transitions. Word has length 217 [2020-09-04 13:33:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:48,084 INFO L479 AbstractCegarLoop]: Abstraction has 1563 states and 2099 transitions. [2020-09-04 13:33:48,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:33:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2099 transitions. [2020-09-04 13:33:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-04 13:33:48,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:33:48,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:33:48,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:48,306 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:33:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:33:48,306 INFO L82 PathProgramCache]: Analyzing trace with hash -543444014, now seen corresponding path program 1 times [2020-09-04 13:33:48,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:33:48,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511755852] [2020-09-04 13:33:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:33:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:33:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:48,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:33:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-04 13:33:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-04 13:33:48,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511755852] [2020-09-04 13:33:48,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595536951] [2020-09-04 13:33:48,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:33:48,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:33:48,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:33:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-04 13:33:48,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:33:48,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-09-04 13:33:48,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787837536] [2020-09-04 13:33:48,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:33:48,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:33:48,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:33:48,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:33:48,886 INFO L87 Difference]: Start difference. First operand 1563 states and 2099 transitions. Second operand 3 states. [2020-09-04 13:33:49,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:33:49,450 INFO L93 Difference]: Finished difference Result 3805 states and 5136 transitions. [2020-09-04 13:33:49,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:33:49,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-09-04 13:33:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:33:49,452 INFO L225 Difference]: With dead ends: 3805 [2020-09-04 13:33:49,452 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:33:49,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:33:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:33:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:33:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:33:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:33:49,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2020-09-04 13:33:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:33:49,461 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:33:49,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:33:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:33:49,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:33:49,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:33:49,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:33:50,665 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 30 [2020-09-04 13:33:50,921 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 30 [2020-09-04 13:33:51,617 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2020-09-04 13:33:51,781 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-09-04 13:33:51,899 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-09-04 13:33:51,905 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:51,905 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-04 13:33:51,905 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,906 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-04 13:33:51,907 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,908 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-04 13:33:51,909 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-04 13:33:51,910 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,911 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-04 13:33:51,912 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,913 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-04 13:33:51,914 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,915 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-04 13:33:51,916 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-04 13:33:51,917 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-04 13:33:51,918 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-04 13:33:51,919 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-04 13:33:51,920 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-04 13:33:51,920 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-04 13:33:51,920 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-04 13:33:51,920 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-04 13:33:51,921 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,921 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,921 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,921 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,921 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-04 13:33:51,922 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-04 13:33:51,923 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-04 13:33:51,923 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-04 13:33:51,923 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-04 13:33:51,923 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a16~0)| 5))) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse1 (not (= |old(~a20~0)| 1))) (.cse2 (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) (.cse4 (not (= |old(~a21~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~a8~0)| 13) .cse0 .cse2 .cse3 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse2 .cse4) (or (not (<= |old(~a16~0)| 4)) .cse2) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4))) [2020-09-04 13:33:51,923 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-04 13:33:51,923 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-04 13:33:51,924 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,925 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-04 13:33:51,926 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-04 13:33:51,927 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:33:51,928 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0)) [2020-09-04 13:33:51,928 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:33:51,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:33:51,929 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-09-04 13:33:51,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:51,929 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse2 (= ~a21~0 1)) (.cse3 (<= ~a16~0 5)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (and .cse2 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse2 .cse3 .cse0 (not (= ~a8~0 13))) (not (= |old(~a21~0)| 1)) (and .cse2 .cse1) (and .cse3 .cse1))) [2020-09-04 13:33:51,929 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-04 13:33:51,929 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-04 13:33:51,929 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse2 (= ~a21~0 1)) (.cse3 (<= ~a16~0 5)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (and .cse2 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse2 .cse3 .cse0 (not (= ~a8~0 13))) (not (= |old(~a21~0)| 1)) (and .cse2 .cse1) (and .cse3 .cse1))) [2020-09-04 13:33:51,929 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:33:51,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:33:51 BoogieIcfgContainer [2020-09-04 13:33:51,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:33:51,954 INFO L168 Benchmark]: Toolchain (without parser) took 18497.68 ms. Allocated memory was 144.7 MB in the beginning and 451.4 MB in the end (delta: 306.7 MB). Free memory was 99.1 MB in the beginning and 151.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 326.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:51,955 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 144.7 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:33:51,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.30 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 168.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:51,957 INFO L168 Benchmark]: Boogie Preprocessor took 114.51 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:51,958 INFO L168 Benchmark]: RCFGBuilder took 1246.67 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 163.6 MB in the beginning and 178.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:51,959 INFO L168 Benchmark]: TraceAbstraction took 16326.49 ms. Allocated memory was 232.8 MB in the beginning and 451.4 MB in the end (delta: 218.6 MB). Free memory was 176.8 MB in the beginning and 151.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 315.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:33:51,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 144.7 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.30 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 168.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.51 ms. Allocated memory is still 202.9 MB. Free memory was 168.6 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.67 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 163.6 MB in the beginning and 178.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16326.49 ms. Allocated memory was 232.8 MB in the beginning and 451.4 MB in the end (delta: 218.6 MB). Free memory was 176.8 MB in the beginning and 151.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 315.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((a17 <= 0 && a20 == 1) || (a21 == 1 && 15 <= a8)) || !(\old(a16) <= 5)) || a16 <= 4) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (((a21 == 1 && a16 <= 5) && a17 <= 0) && !(a8 == 13))) || !(\old(a21) == 1)) || (a21 == 1 && a20 == 1)) || (a16 <= 5 && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 369 SDtfs, 2343 SDslu, 250 SDs, 0 SdLazy, 4783 SolverSat, 1214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 641 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1563occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 49 PreInvPairs, 81 NumberOfFragments, 404 HoareAnnotationTreeSize, 49 FomulaSimplifications, 32769 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1557 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1489 NumberOfCodeBlocks, 1489 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1481 ConstructedInterpolants, 0 QuantifiedInterpolants, 646636 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1465 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 444/452 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...