/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:27:22,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:27:22,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:27:22,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:27:22,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:27:22,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:27:22,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:27:22,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:27:22,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:27:22,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:27:22,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:27:22,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:27:22,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:27:22,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:27:22,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:27:22,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:27:22,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:27:22,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:27:22,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:27:22,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:27:22,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:27:22,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:27:22,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:27:22,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:27:22,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 11:27:22,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 11:27:22,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 11:27:22,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 11:27:22,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 11:27:22,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 11:27:22,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 11:27:22,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 11:27:22,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 11:27:22,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 11:27:22,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 11:27:22,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 11:27:22,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 11:27:22,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 11:27:22,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:27:22,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:27:22,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:27:22,830 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 [2020-07-07 11:27:22,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:27:22,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:27:22,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:27:22,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:27:22,868 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:27:22,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:27:22,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:27:22,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:27:22,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:27:22,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:27:22,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:27:22,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:27:22,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:27:22,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:27:22,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:27:22,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:27:22,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:27:22,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:27:22,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:27:22,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:27:22,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:27:22,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:27:22,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:27:22,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:27:22,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:27:22,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:27:22,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:27:22,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:27:22,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:27:22,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:27:23,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:27:23,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:27:23,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:27:23,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:27:23,159 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:27:23,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-07-07 11:27:23,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d7054a5/d79716df0cda45fa82a7eadaec66b97b/FLAG1da9f5a39 [2020-07-07 11:27:23,786 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:27:23,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-07-07 11:27:23,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d7054a5/d79716df0cda45fa82a7eadaec66b97b/FLAG1da9f5a39 [2020-07-07 11:27:24,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d7054a5/d79716df0cda45fa82a7eadaec66b97b [2020-07-07 11:27:24,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:27:24,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:27:24,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:27:24,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:27:24,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:27:24,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:24,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b781a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24, skipping insertion in model container [2020-07-07 11:27:24,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:24,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:27:24,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:27:24,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:27:24,836 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:27:24,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:27:24,959 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:27:24,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24 WrapperNode [2020-07-07 11:27:24,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:27:24,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:27:24,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:27:24,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:27:24,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:24,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:24,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:24,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:25,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:25,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:25,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (1/1) ... [2020-07-07 11:27:25,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:27:25,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:27:25,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:27:25,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:27:25,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (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 [2020-07-07 11:27:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:27:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:27:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:27:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:27:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:27:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:27:26,323 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:27:26,324 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:27:26,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:27:26 BoogieIcfgContainer [2020-07-07 11:27:26,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:27:26,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:27:26,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:27:26,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:27:26,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:27:24" (1/3) ... [2020-07-07 11:27:26,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51370f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:27:26, skipping insertion in model container [2020-07-07 11:27:26,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:27:24" (2/3) ... [2020-07-07 11:27:26,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51370f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:27:26, skipping insertion in model container [2020-07-07 11:27:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:27:26" (3/3) ... [2020-07-07 11:27:26,351 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-07-07 11:27:26,363 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:27:26,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:27:26,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:27:26,431 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:27:26,432 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:27:26,432 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:27:26,432 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:27:26,432 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:27:26,432 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:27:26,433 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:27:26,433 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:27:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-07 11:27:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-07 11:27:26,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:27:26,476 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] [2020-07-07 11:27:26,476 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:27:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:27:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times [2020-07-07 11:27:26,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:27:26,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962658877] [2020-07-07 11:27:26,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:27:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:27:26,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962658877] [2020-07-07 11:27:26,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:27:26,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:27:26,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022170565] [2020-07-07 11:27:26,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:27:26,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:27:26,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:27:26,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:27:26,849 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-07 11:27:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:27:28,850 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-07 11:27:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:27:28,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-07-07 11:27:28,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:27:28,870 INFO L225 Difference]: With dead ends: 730 [2020-07-07 11:27:28,871 INFO L226 Difference]: Without dead ends: 447 [2020-07-07 11:27:28,879 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 [2020-07-07 11:27:28,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-07 11:27:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-07 11:27:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-07 11:27:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-07 11:27:28,974 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 35 [2020-07-07 11:27:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:27:28,975 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-07 11:27:28,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:27:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-07 11:27:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-07 11:27:28,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:27:28,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:27:28,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:27:28,982 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:27:28,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:27:28,983 INFO L82 PathProgramCache]: Analyzing trace with hash -969660742, now seen corresponding path program 1 times [2020-07-07 11:27:28,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:27:28,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524809481] [2020-07-07 11:27:28,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:27:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:27:29,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524809481] [2020-07-07 11:27:29,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:27:29,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:27:29,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669663012] [2020-07-07 11:27:29,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:27:29,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:27:29,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:27:29,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:27:29,330 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 9 states. [2020-07-07 11:27:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:27:31,327 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-07-07 11:27:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:27:31,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2020-07-07 11:27:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:27:31,340 INFO L225 Difference]: With dead ends: 1490 [2020-07-07 11:27:31,340 INFO L226 Difference]: Without dead ends: 1055 [2020-07-07 11:27:31,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:27:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-07-07 11:27:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-07-07 11:27:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-07-07 11:27:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-07-07 11:27:31,399 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 117 [2020-07-07 11:27:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:27:31,400 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-07-07 11:27:31,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:27:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-07-07 11:27:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-07 11:27:31,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:27:31,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:27:31,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:27:31,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:27:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:27:31,406 INFO L82 PathProgramCache]: Analyzing trace with hash -782876534, now seen corresponding path program 1 times [2020-07-07 11:27:31,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:27:31,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794594557] [2020-07-07 11:27:31,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:27:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:27:31,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794594557] [2020-07-07 11:27:31,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:27:31,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:27:31,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639289753] [2020-07-07 11:27:31,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:27:31,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:27:31,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:27:31,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:27:31,868 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 9 states. [2020-07-07 11:27:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:27:33,293 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-07-07 11:27:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:27:33,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-07-07 11:27:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:27:33,302 INFO L225 Difference]: With dead ends: 1822 [2020-07-07 11:27:33,302 INFO L226 Difference]: Without dead ends: 1083 [2020-07-07 11:27:33,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-07-07 11:27:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-07 11:27:33,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-07-07 11:27:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-07-07 11:27:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-07-07 11:27:33,342 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 157 [2020-07-07 11:27:33,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:27:33,343 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-07-07 11:27:33,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:27:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-07-07 11:27:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-07 11:27:33,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:27:33,350 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:27:33,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 11:27:33,351 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:27:33,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:27:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1371409354, now seen corresponding path program 1 times [2020-07-07 11:27:33,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:27:33,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218236775] [2020-07-07 11:27:33,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:27:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:27:33,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218236775] [2020-07-07 11:27:33,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849499279] [2020-07-07 11:27:33,631 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 [2020-07-07 11:27:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:33,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:27:33,752 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:27:33,861 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:27:33,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:27:33,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:27:33,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203901222] [2020-07-07 11:27:33,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:27:33,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:27:33,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:27:33,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:27:33,864 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 11 states. [2020-07-07 11:27:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:27:36,662 INFO L93 Difference]: Finished difference Result 3215 states and 4587 transitions. [2020-07-07 11:27:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 11:27:36,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2020-07-07 11:27:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:27:36,679 INFO L225 Difference]: With dead ends: 3215 [2020-07-07 11:27:36,679 INFO L226 Difference]: Without dead ends: 2166 [2020-07-07 11:27:36,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-07-07 11:27:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2020-07-07 11:27:36,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1550. [2020-07-07 11:27:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2020-07-07 11:27:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2102 transitions. [2020-07-07 11:27:36,798 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2102 transitions. Word has length 203 [2020-07-07 11:27:36,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:27:36,799 INFO L479 AbstractCegarLoop]: Abstraction has 1550 states and 2102 transitions. [2020-07-07 11:27:36,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:27:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2102 transitions. [2020-07-07 11:27:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-07 11:27:36,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:27:36,806 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:27:37,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:27:37,020 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:27:37,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:27:37,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1119643437, now seen corresponding path program 1 times [2020-07-07 11:27:37,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:27:37,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115252190] [2020-07-07 11:27:37,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:27:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:27:37,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115252190] [2020-07-07 11:27:37,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564968834] [2020-07-07 11:27:37,333 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 [2020-07-07 11:27:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:27:37,438 INFO L264 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:27:37,453 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:27:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-07 11:27:37,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:27:37,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-07 11:27:37,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738891267] [2020-07-07 11:27:37,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:27:37,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:27:37,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:27:37,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:27:37,509 INFO L87 Difference]: Start difference. First operand 1550 states and 2102 transitions. Second operand 3 states. [2020-07-07 11:27:38,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:27:38,129 INFO L93 Difference]: Finished difference Result 3092 states and 4199 transitions. [2020-07-07 11:27:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:27:38,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-07-07 11:27:38,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:27:38,133 INFO L225 Difference]: With dead ends: 3092 [2020-07-07 11:27:38,133 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:27:38,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:27:38,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:27:38,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:27:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:27:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:27:38,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-07-07 11:27:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:27:38,144 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:27:38,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:27:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:27:38,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:27:38,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:27:38,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:27:38,949 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-07-07 11:27:39,080 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 25 [2020-07-07 11:27:39,228 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 25 [2020-07-07 11:27:39,233 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:27:39,234 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)|)) [2020-07-07 11:27:39,234 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:27:39,234 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-07 11:27:39,234 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,235 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,236 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,238 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,238 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,238 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,238 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-07 11:27:39,238 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-07 11:27:39,239 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-07 11:27:39,240 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-07 11:27:39,240 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-07 11:27:39,240 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,240 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,243 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-07 11:27:39,244 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-07 11:27:39,245 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-07 11:27:39,246 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-07 11:27:39,246 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-07 11:27:39,247 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2020-07-07 11:27:39,247 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-07 11:27:39,247 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,247 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,247 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,248 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,248 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,248 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-07 11:27:39,248 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-07 11:27:39,249 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-07 11:27:39,250 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-07 11:27:39,250 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-07 11:27:39,250 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,250 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,251 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-07 11:27:39,252 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-07 11:27:39,253 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,254 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,255 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 11:27:39,255 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-07 11:27:39,255 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 11:27:39,255 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 11:27:39,255 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-07 11:27:39,256 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-07 11:27:39,256 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-07 11:27:39,256 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-07 11:27:39,256 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-07 11:27:39,257 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,257 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,257 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,257 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,257 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,258 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,258 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,258 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-07 11:27:39,258 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-07 11:27:39,259 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-07 11:27:39,259 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-07 11:27:39,259 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 11:27:39,259 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-07 11:27:39,259 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 11:27:39,260 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 11:27:39,260 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-07 11:27:39,261 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-07 11:27:39,261 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-07 11:27:39,261 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-07 11:27:39,262 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-07 11:27:39,263 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,263 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,263 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,263 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,263 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-07 11:27:39,264 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,264 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,264 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-07 11:27:39,264 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-07 11:27:39,265 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-07 11:27:39,265 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 11:27:39,265 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 11:27:39,265 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 11:27:39,265 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 11:27:39,266 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-07 11:27:39,267 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-07 11:27:39,267 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-07 11:27:39,267 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-07 11:27:39,267 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-07 11:27:39,267 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-07 11:27:39,268 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,268 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,268 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,268 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,269 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,270 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,270 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-07 11:27:39,271 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-07 11:27:39,272 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-07 11:27:39,272 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-07 11:27:39,272 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 11:27:39,272 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 11:27:39,273 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 11:27:39,273 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-07 11:27:39,273 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-07 11:27:39,273 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-07 11:27:39,273 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-07 11:27:39,282 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= 7 |old(~a19~0)|)) (.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= 1 |old(~a10~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or (not (<= |old(~a10~0)| 0)) .cse1 .cse0) (or .cse1 (not (<= |old(~a19~0)| 9)) .cse0))) [2020-07-07 11:27:39,282 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-07 11:27:39,283 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-07 11:27:39,283 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-07 11:27:39,283 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,286 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,286 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,287 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,287 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,287 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,287 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-07 11:27:39,288 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-07 11:27:39,289 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,290 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,290 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,290 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,290 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,291 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,291 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 11:27:39,292 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-07 11:27:39,293 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-07 11:27:39,293 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-07 11:27:39,293 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-07 11:27:39,293 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-07 11:27:39,293 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-07 11:27:39,294 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,294 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,294 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,294 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,294 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,295 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-07 11:27:39,295 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-07 11:27:39,295 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-07 11:27:39,295 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-07 11:27:39,295 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-07 11:27:39,296 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-07 11:27:39,296 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-07 11:27:39,296 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-07 11:27:39,296 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-07 11:27:39,296 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-07 11:27:39,297 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-07 11:27:39,297 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-07 11:27:39,297 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-07 11:27:39,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:27:39,298 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0)) [2020-07-07 11:27:39,298 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:27:39,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:27:39,298 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-07 11:27:39,299 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-07 11:27:39,299 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a19~0)))) (or (and (<= ~a19~0 9) .cse0) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))) [2020-07-07 11:27:39,299 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-07 11:27:39,299 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-07 11:27:39,299 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 7 ~a19~0)))) (or (and (<= ~a19~0 9) .cse0) (and (<= 1 ~a10~0) (<= ~a10~0 2)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))) [2020-07-07 11:27:39,300 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-07 11:27:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:27:39 BoogieIcfgContainer [2020-07-07 11:27:39,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:27:39,336 INFO L168 Benchmark]: Toolchain (without parser) took 15089.23 ms. Allocated memory was 137.9 MB in the beginning and 416.8 MB in the end (delta: 278.9 MB). Free memory was 100.6 MB in the beginning and 214.4 MB in the end (delta: -113.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,338 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.01 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,347 INFO L168 Benchmark]: Boogie Preprocessor took 120.62 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,348 INFO L168 Benchmark]: RCFGBuilder took 1254.75 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,349 INFO L168 Benchmark]: TraceAbstraction took 12991.72 ms. Allocated memory was 235.9 MB in the beginning and 416.8 MB in the end (delta: 180.9 MB). Free memory was 181.3 MB in the beginning and 214.4 MB in the end (delta: -33.1 MB). Peak memory consumption was 147.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:27:39,363 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 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.01 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.62 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.75 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12991.72 ms. Allocated memory was 235.9 MB in the beginning and 416.8 MB in the end (delta: 180.9 MB). Free memory was 181.3 MB in the beginning and 214.4 MB in the end (delta: -33.1 MB). Peak memory consumption was 147.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((a19 <= 9 && !(7 == a19)) || (1 <= a10 && a10 <= 2)) || (a10 <= 0 && !(7 == a19))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 315 SDtfs, 3425 SDslu, 238 SDs, 0 SdLazy, 5177 SolverSat, 1424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 490 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1550occurred 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, 960 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 102 NumberOfFragments, 193 HoareAnnotationTreeSize, 62 FomulaSimplifications, 8554 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2088 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1123 NumberOfCodeBlocks, 1123 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 601550 SizeOfPredicates, 2 NumberOfNonLiveVariables, 755 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 503/584 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...