/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:24,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:24,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:24,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:24,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:24,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:24,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:24,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:24,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:24,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:24,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:24,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:24,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:24,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:24,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:24,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:24,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:24,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:24,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:24,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:24,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:24,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:24,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:24,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:25,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:25,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:25,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:25,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:25,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:25,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:25,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:25,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:25,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:25,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:25,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:25,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:25,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:25,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:25,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:25,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:25,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:25,087 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:25,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:25,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:25,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:25,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:25,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:25,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:25,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:25,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:25,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:25,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:25,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:25,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:25,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:25,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:25,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:25,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:25,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:25,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:25,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:25,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:25,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:25,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:25,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:25,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:25,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:25,534 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:25,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-12-22 06:56:25,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dcb4a0a/f18b4f7f178c45f9914d34ebef6c5758/FLAGe066a0e56 [2020-12-22 06:56:26,320 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:26,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-12-22 06:56:26,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dcb4a0a/f18b4f7f178c45f9914d34ebef6c5758/FLAGe066a0e56 [2020-12-22 06:56:26,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dcb4a0a/f18b4f7f178c45f9914d34ebef6c5758 [2020-12-22 06:56:26,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:26,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:26,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:26,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:26,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:26,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e72be0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26, skipping insertion in model container [2020-12-22 06:56:26,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:26,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:26,857 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1281,1294] [2020-12-22 06:56:27,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:27,059 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:27,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1281,1294] [2020-12-22 06:56:27,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:27,236 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:27,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27 WrapperNode [2020-12-22 06:56:27,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:27,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:27,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:27,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:27,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:27,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:27,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:27,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:27,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:27,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:27,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:27,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:27,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (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 [2020-12-22 06:56:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:28,482 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:28,482 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-22 06:56:28,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28 BoogieIcfgContainer [2020-12-22 06:56:28,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:28,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:28,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:28,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:28,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:26" (1/3) ... [2020-12-22 06:56:28,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a83d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (2/3) ... [2020-12-22 06:56:28,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a83d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/3) ... [2020-12-22 06:56:28,494 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-12-22 06:56:28,500 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:28,505 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:28,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:28,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:28,552 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:28,553 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:28,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:28,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:28,553 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:28,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:28,553 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-22 06:56:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:28,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:28,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:28,578 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:28,585 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2020-12-22 06:56:28,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:28,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146910261] [2020-12-22 06:56:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:28,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146910261] [2020-12-22 06:56:28,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:28,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:28,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806528479] [2020-12-22 06:56:28,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:28,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:28,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:28,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:28,918 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-22 06:56:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:28,971 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-12-22 06:56:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:28,973 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,001 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:56:29,001 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:56:29,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:56:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:56:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:56:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-22 06:56:29,048 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-12-22 06:56:29,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,048 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-22 06:56:29,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-22 06:56:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:29,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:29,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:29,050 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2020-12-22 06:56:29,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143676807] [2020-12-22 06:56:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:29,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143676807] [2020-12-22 06:56:29,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:29,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200981446] [2020-12-22 06:56:29,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:29,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:29,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,199 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-12-22 06:56:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,209 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-12-22 06:56:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:29,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:29,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,211 INFO L225 Difference]: With dead ends: 71 [2020-12-22 06:56:29,211 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:56:29,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:56:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:56:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:56:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-22 06:56:29,218 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-12-22 06:56:29,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,218 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-22 06:56:29,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-22 06:56:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:29,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,219 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] [2020-12-22 06:56:29,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:29,220 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,220 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-12-22 06:56:29,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917908894] [2020-12-22 06:56:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:29,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917908894] [2020-12-22 06:56:29,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649594525] [2020-12-22 06:56:29,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:29,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,307 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-12-22 06:56:29,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,315 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-12-22 06:56:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:29,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,316 INFO L225 Difference]: With dead ends: 60 [2020-12-22 06:56:29,317 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:56:29,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:56:29,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:56:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:56:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-22 06:56:29,323 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-12-22 06:56:29,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,323 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-22 06:56:29,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-22 06:56:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:56:29,324 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,325 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] [2020-12-22 06:56:29,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:29,325 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,327 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-12-22 06:56:29,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486588224] [2020-12-22 06:56:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:29,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486588224] [2020-12-22 06:56:29,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:29,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071116214] [2020-12-22 06:56:29,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:29,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:29,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:29,487 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-12-22 06:56:29,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,583 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2020-12-22 06:56:29,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:29,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:56:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,586 INFO L225 Difference]: With dead ends: 120 [2020-12-22 06:56:29,586 INFO L226 Difference]: Without dead ends: 93 [2020-12-22 06:56:29,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-22 06:56:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2020-12-22 06:56:29,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:56:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-12-22 06:56:29,603 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2020-12-22 06:56:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,605 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-12-22 06:56:29,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-12-22 06:56:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:29,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,607 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] [2020-12-22 06:56:29,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:29,607 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,608 INFO L82 PathProgramCache]: Analyzing trace with hash 320721258, now seen corresponding path program 1 times [2020-12-22 06:56:29,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293130447] [2020-12-22 06:56:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:29,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293130447] [2020-12-22 06:56:29,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:29,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624024115] [2020-12-22 06:56:29,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:29,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:29,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:29,730 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2020-12-22 06:56:29,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,807 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2020-12-22 06:56:29,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:29,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:56:29,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,808 INFO L225 Difference]: With dead ends: 124 [2020-12-22 06:56:29,808 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:29,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:29,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:29,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:29,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:56:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,810 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:29,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:29,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:29,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:29,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:30,082 INFO L185 CegarLoopUtils]: At program point L448(lines 443 451) the Hoare annotation is: false [2020-12-22 06:56:30,083 INFO L185 CegarLoopUtils]: At program point L448-1(lines 443 451) the Hoare annotation is: false [2020-12-22 06:56:30,083 INFO L189 CegarLoopUtils]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-12-22 06:56:30,083 INFO L185 CegarLoopUtils]: At program point L448-2(lines 443 451) the Hoare annotation is: false [2020-12-22 06:56:30,083 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,084 INFO L189 CegarLoopUtils]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-12-22 06:56:30,084 INFO L185 CegarLoopUtils]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,084 INFO L185 CegarLoopUtils]: At program point L878(lines 874 880) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L168-1(lines 168 185) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:56:30,085 INFO L189 CegarLoopUtils]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:56:30,086 INFO L185 CegarLoopUtils]: At program point L136(lines 135 154) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,086 INFO L189 CegarLoopUtils]: For program point L136-1(lines 136 142) no Hoare annotation was computed. [2020-12-22 06:56:30,086 INFO L185 CegarLoopUtils]: At program point L136-2(lines 135 154) the Hoare annotation is: false [2020-12-22 06:56:30,086 INFO L185 CegarLoopUtils]: At program point L136-3(lines 135 154) the Hoare annotation is: false [2020-12-22 06:56:30,086 INFO L185 CegarLoopUtils]: At program point L830-2(lines 830 844) the Hoare annotation is: false [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L831(line 831) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L172(lines 172 180) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L172-1(lines 172 180) no Hoare annotation was computed. [2020-12-22 06:56:30,087 INFO L189 CegarLoopUtils]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2020-12-22 06:56:30,088 INFO L189 CegarLoopUtils]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,088 INFO L189 CegarLoopUtils]: For program point L288-2(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,088 INFO L189 CegarLoopUtils]: For program point L288-3(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,088 INFO L189 CegarLoopUtils]: For program point L288-5(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,088 INFO L189 CegarLoopUtils]: For program point L288-6(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,089 INFO L189 CegarLoopUtils]: For program point L288-8(lines 288 292) no Hoare annotation was computed. [2020-12-22 06:56:30,089 INFO L185 CegarLoopUtils]: At program point L239(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,089 INFO L185 CegarLoopUtils]: At program point L239-1(lines 234 242) the Hoare annotation is: false [2020-12-22 06:56:30,089 INFO L185 CegarLoopUtils]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2020-12-22 06:56:30,089 INFO L189 CegarLoopUtils]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-12-22 06:56:30,090 INFO L189 CegarLoopUtils]: For program point L834-1(lines 136 142) no Hoare annotation was computed. [2020-12-22 06:56:30,090 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,090 INFO L189 CegarLoopUtils]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-12-22 06:56:30,090 INFO L185 CegarLoopUtils]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,090 INFO L189 CegarLoopUtils]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-12-22 06:56:30,090 INFO L192 CegarLoopUtils]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2020-12-22 06:56:30,091 INFO L185 CegarLoopUtils]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,091 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,091 INFO L185 CegarLoopUtils]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-12-22 06:56:30,091 INFO L185 CegarLoopUtils]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-12-22 06:56:30,091 INFO L185 CegarLoopUtils]: At program point L324(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,092 INFO L185 CegarLoopUtils]: At program point L143(lines 143 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,092 INFO L185 CegarLoopUtils]: At program point L143-1(lines 143 149) the Hoare annotation is: false [2020-12-22 06:56:30,092 INFO L185 CegarLoopUtils]: At program point L143-2(lines 143 149) the Hoare annotation is: false [2020-12-22 06:56:30,092 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,092 INFO L185 CegarLoopUtils]: At program point L111(lines 64 112) the Hoare annotation is: false [2020-12-22 06:56:30,092 INFO L189 CegarLoopUtils]: For program point L95(lines 95 106) no Hoare annotation was computed. [2020-12-22 06:56:30,092 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,093 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,093 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,093 INFO L185 CegarLoopUtils]: At program point L294(lines 279 297) the Hoare annotation is: false [2020-12-22 06:56:30,093 INFO L185 CegarLoopUtils]: At program point L294-1(lines 279 297) the Hoare annotation is: false [2020-12-22 06:56:30,093 INFO L185 CegarLoopUtils]: At program point L294-2(lines 279 297) the Hoare annotation is: false [2020-12-22 06:56:30,093 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-12-22 06:56:30,093 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,094 INFO L189 CegarLoopUtils]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:56:30,094 INFO L185 CegarLoopUtils]: At program point L346-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,094 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,094 INFO L189 CegarLoopUtils]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:56:30,094 INFO L185 CegarLoopUtils]: At program point L346-3(lines 1 913) the Hoare annotation is: false [2020-12-22 06:56:30,094 INFO L189 CegarLoopUtils]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:56:30,095 INFO L185 CegarLoopUtils]: At program point L346-5(lines 1 913) the Hoare annotation is: false [2020-12-22 06:56:30,095 INFO L189 CegarLoopUtils]: For program point L66(lines 65 110) no Hoare annotation was computed. [2020-12-22 06:56:30,095 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:56:30,095 INFO L192 CegarLoopUtils]: At program point L910(lines 891 913) the Hoare annotation is: true [2020-12-22 06:56:30,095 INFO L185 CegarLoopUtils]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,095 INFO L189 CegarLoopUtils]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-12-22 06:56:30,096 INFO L189 CegarLoopUtils]: For program point L101-2(lines 136 142) no Hoare annotation was computed. [2020-12-22 06:56:30,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:30 BoogieIcfgContainer [2020-12-22 06:56:30,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:30,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:30,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:30,127 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:30,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/4) ... [2020-12-22 06:56:30,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:30,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:30,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:30,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:30,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:30,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:30,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:56:30,293 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product25.cil.c-witness.graphml [2020-12-22 06:56:30,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:30,295 INFO L168 Benchmark]: Toolchain (without parser) took 3663.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 106.6 MB in the beginning and 125.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,296 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:30,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.61 ms. Allocated memory is still 151.0 MB. Free memory was 106.4 MB in the beginning and 126.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.93 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 123.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,297 INFO L168 Benchmark]: Boogie Preprocessor took 75.93 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 121.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,298 INFO L168 Benchmark]: RCFGBuilder took 1074.14 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 121.5 MB in the beginning and 153.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 46.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,299 INFO L168 Benchmark]: TraceAbstraction took 1639.65 ms. Allocated memory is still 181.4 MB. Free memory was 153.1 MB in the beginning and 131.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 88.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,299 INFO L168 Benchmark]: Witness Printer took 166.99 ms. Allocated memory is still 181.4 MB. Free memory was 131.3 MB in the beginning and 125.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:30,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 602.61 ms. Allocated memory is still 151.0 MB. Free memory was 106.4 MB in the beginning and 126.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 88.93 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 123.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 75.93 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 121.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1074.14 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 121.5 MB in the beginning and 153.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 46.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1639.65 ms. Allocated memory is still 181.4 MB. Free memory was 153.1 MB in the beginning and 131.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 88.4 MB. Max. memory is 8.0 GB. * Witness Printer took 166.99 ms. Allocated memory is still 181.4 MB. Free memory was 131.3 MB in the beginning and 125.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 272 SDslu, 210 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...