./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a73dafdc853fd09794b169fd90326076ad938e4b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:15,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:15,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:15,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:15,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:15,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:15,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:15,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:15,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:15,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:15,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:15,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:15,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:15,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:15,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:15,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:15,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:15,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:15,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:15,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:15,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:15,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:15,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:15,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:15,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:15,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:15,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:15,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:15,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:15,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:15,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:15,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:15,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:15,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:16,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:16,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:16,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:16,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:16,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:16,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:16,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:16,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:16,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:16,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:16,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:16,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:16,050 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:16,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:16,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:16,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:16,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:16,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:16,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:16,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:16,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:16,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:16,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:16,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:16,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:16,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:16,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:16,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:16,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:16,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:16,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:16,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:16,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:16,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:16,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:16,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:16,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:16,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73dafdc853fd09794b169fd90326076ad938e4b [2020-10-20 01:44:16,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:16,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:16,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:16,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:16,290 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:16,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-10-20 01:44:16,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46f8d30d/a5fa19586d2240b2a30609a37ebd2f8d/FLAGf1e7e3051 [2020-10-20 01:44:16,948 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:16,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-10-20 01:44:16,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46f8d30d/a5fa19586d2240b2a30609a37ebd2f8d/FLAGf1e7e3051 [2020-10-20 01:44:17,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46f8d30d/a5fa19586d2240b2a30609a37ebd2f8d [2020-10-20 01:44:17,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:17,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:17,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:17,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:17,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:17,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f353061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17, skipping insertion in model container [2020-10-20 01:44:17,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:17,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:17,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:17,666 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:17,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:17,819 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:17,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17 WrapperNode [2020-10-20 01:44:17,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:17,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:17,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:17,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:17,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:17,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:17,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:17,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:17,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (1/1) ... [2020-10-20 01:44:17,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:17,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:17,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:17,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:17,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (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 [2020-10-20 01:44:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:18,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:18,975 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-20 01:44:18,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:18 BoogieIcfgContainer [2020-10-20 01:44:18,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:18,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:18,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:18,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:18,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:17" (1/3) ... [2020-10-20 01:44:18,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1516514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:18, skipping insertion in model container [2020-10-20 01:44:18,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:17" (2/3) ... [2020-10-20 01:44:18,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1516514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:18, skipping insertion in model container [2020-10-20 01:44:18,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:18" (3/3) ... [2020-10-20 01:44:18,986 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2020-10-20 01:44:18,999 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:19,006 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:19,021 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:19,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:19,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:19,045 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:19,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:19,046 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:19,046 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:19,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:19,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-10-20 01:44:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:19,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:19,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:19,072 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -96008729, now seen corresponding path program 1 times [2020-10-20 01:44:19,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:19,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572707715] [2020-10-20 01:44:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:19,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572707715] [2020-10-20 01:44:19,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:19,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:19,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750218750] [2020-10-20 01:44:19,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:19,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:19,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:19,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:19,404 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-10-20 01:44:19,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:19,440 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-10-20 01:44:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:19,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:19,455 INFO L225 Difference]: With dead ends: 231 [2020-10-20 01:44:19,455 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 01:44:19,461 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 [2020-10-20 01:44:19,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 01:44:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 01:44:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 01:44:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-10-20 01:44:19,511 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2020-10-20 01:44:19,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:19,512 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-10-20 01:44:19,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:19,512 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-10-20 01:44:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:19,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:19,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:19,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:19,514 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:19,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1142765626, now seen corresponding path program 1 times [2020-10-20 01:44:19,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:19,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554942875] [2020-10-20 01:44:19,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:19,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554942875] [2020-10-20 01:44:19,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:19,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:19,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047388371] [2020-10-20 01:44:19,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:19,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:19,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:19,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:19,648 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-10-20 01:44:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:19,662 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-10-20 01:44:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:19,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:19,680 INFO L225 Difference]: With dead ends: 113 [2020-10-20 01:44:19,680 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 01:44:19,681 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 [2020-10-20 01:44:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 01:44:19,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-20 01:44:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 01:44:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-10-20 01:44:19,688 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-10-20 01:44:19,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:19,688 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-10-20 01:44:19,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-10-20 01:44:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:19,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:19,689 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] [2020-10-20 01:44:19,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:19,690 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:19,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:19,690 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2020-10-20 01:44:19,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:19,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417377990] [2020-10-20 01:44:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:19,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417377990] [2020-10-20 01:44:19,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:19,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:19,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657882770] [2020-10-20 01:44:19,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:19,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:19,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:19,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:19,777 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-10-20 01:44:19,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:19,830 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-10-20 01:44:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:19,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:44:19,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:19,832 INFO L225 Difference]: With dead ends: 88 [2020-10-20 01:44:19,832 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 01:44:19,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 01:44:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-20 01:44:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 01:44:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-10-20 01:44:19,840 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2020-10-20 01:44:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:19,840 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-10-20 01:44:19,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-10-20 01:44:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:19,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:19,842 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] [2020-10-20 01:44:19,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:19,842 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:19,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:19,842 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2020-10-20 01:44:19,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:19,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764201335] [2020-10-20 01:44:19,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:19,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764201335] [2020-10-20 01:44:19,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:19,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:19,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77693235] [2020-10-20 01:44:19,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:19,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:19,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:19,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:19,950 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-10-20 01:44:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:19,987 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2020-10-20 01:44:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:19,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:44:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:19,989 INFO L225 Difference]: With dead ends: 109 [2020-10-20 01:44:19,989 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 01:44:19,990 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 [2020-10-20 01:44:19,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 01:44:19,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-10-20 01:44:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-20 01:44:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2020-10-20 01:44:19,999 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2020-10-20 01:44:19,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:19,999 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2020-10-20 01:44:19,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-10-20 01:44:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 01:44:20,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:20,001 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] [2020-10-20 01:44:20,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:20,001 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:20,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2020-10-20 01:44:20,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:20,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083414279] [2020-10-20 01:44:20,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:20,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083414279] [2020-10-20 01:44:20,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:20,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:20,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194876764] [2020-10-20 01:44:20,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:20,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:20,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:20,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:20,115 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2020-10-20 01:44:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:20,205 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2020-10-20 01:44:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:20,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 01:44:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:20,209 INFO L225 Difference]: With dead ends: 175 [2020-10-20 01:44:20,209 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 01:44:20,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 01:44:20,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2020-10-20 01:44:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-20 01:44:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-10-20 01:44:20,224 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2020-10-20 01:44:20,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:20,225 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-10-20 01:44:20,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-10-20 01:44:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 01:44:20,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:20,227 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] [2020-10-20 01:44:20,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:20,227 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:20,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:20,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2020-10-20 01:44:20,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:20,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101603389] [2020-10-20 01:44:20,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:20,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101603389] [2020-10-20 01:44:20,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:20,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:20,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094983875] [2020-10-20 01:44:20,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:20,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:20,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:20,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:20,294 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2020-10-20 01:44:20,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:20,404 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2020-10-20 01:44:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:20,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 01:44:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:20,406 INFO L225 Difference]: With dead ends: 253 [2020-10-20 01:44:20,406 INFO L226 Difference]: Without dead ends: 187 [2020-10-20 01:44:20,407 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 [2020-10-20 01:44:20,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-20 01:44:20,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-10-20 01:44:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 01:44:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2020-10-20 01:44:20,427 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2020-10-20 01:44:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:20,427 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2020-10-20 01:44:20,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2020-10-20 01:44:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:20,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:20,429 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] [2020-10-20 01:44:20,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:20,429 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:20,430 INFO L82 PathProgramCache]: Analyzing trace with hash -964491617, now seen corresponding path program 1 times [2020-10-20 01:44:20,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:20,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737634813] [2020-10-20 01:44:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:20,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737634813] [2020-10-20 01:44:20,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:20,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:20,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608495291] [2020-10-20 01:44:20,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:20,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:20,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:20,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:20,526 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2020-10-20 01:44:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:20,665 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2020-10-20 01:44:20,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:20,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-20 01:44:20,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:20,667 INFO L225 Difference]: With dead ends: 238 [2020-10-20 01:44:20,667 INFO L226 Difference]: Without dead ends: 172 [2020-10-20 01:44:20,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-20 01:44:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-10-20 01:44:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-20 01:44:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2020-10-20 01:44:20,704 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 31 [2020-10-20 01:44:20,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:20,704 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2020-10-20 01:44:20,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2020-10-20 01:44:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:20,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:20,709 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] [2020-10-20 01:44:20,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:20,709 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:20,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:20,710 INFO L82 PathProgramCache]: Analyzing trace with hash -706326179, now seen corresponding path program 1 times [2020-10-20 01:44:20,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:20,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481277886] [2020-10-20 01:44:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:20,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481277886] [2020-10-20 01:44:20,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:20,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:20,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126841606] [2020-10-20 01:44:20,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:20,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:20,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:20,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:20,824 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand 4 states. [2020-10-20 01:44:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:20,896 INFO L93 Difference]: Finished difference Result 400 states and 551 transitions. [2020-10-20 01:44:20,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:20,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-20 01:44:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:20,899 INFO L225 Difference]: With dead ends: 400 [2020-10-20 01:44:20,899 INFO L226 Difference]: Without dead ends: 279 [2020-10-20 01:44:20,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-20 01:44:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 163. [2020-10-20 01:44:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-20 01:44:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2020-10-20 01:44:20,932 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 31 [2020-10-20 01:44:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:20,933 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2020-10-20 01:44:20,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2020-10-20 01:44:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:20,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:20,936 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] [2020-10-20 01:44:20,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:20,937 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:20,938 INFO L82 PathProgramCache]: Analyzing trace with hash 533103064, now seen corresponding path program 1 times [2020-10-20 01:44:20,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:20,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128432287] [2020-10-20 01:44:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:21,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128432287] [2020-10-20 01:44:21,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:21,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:21,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853496930] [2020-10-20 01:44:21,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:21,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:21,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:21,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:21,038 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand 5 states. [2020-10-20 01:44:21,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:21,201 INFO L93 Difference]: Finished difference Result 353 states and 482 transitions. [2020-10-20 01:44:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:21,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:44:21,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:21,203 INFO L225 Difference]: With dead ends: 353 [2020-10-20 01:44:21,203 INFO L226 Difference]: Without dead ends: 238 [2020-10-20 01:44:21,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-20 01:44:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 159. [2020-10-20 01:44:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-20 01:44:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2020-10-20 01:44:21,218 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 31 [2020-10-20 01:44:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:21,218 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2020-10-20 01:44:21,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2020-10-20 01:44:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:44:21,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:21,220 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:21,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:21,220 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1759657485, now seen corresponding path program 1 times [2020-10-20 01:44:21,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:21,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066388460] [2020-10-20 01:44:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:21,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066388460] [2020-10-20 01:44:21,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:21,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:21,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895373621] [2020-10-20 01:44:21,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:21,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:21,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:21,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:21,281 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand 6 states. [2020-10-20 01:44:21,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:21,368 INFO L93 Difference]: Finished difference Result 335 states and 448 transitions. [2020-10-20 01:44:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:21,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-20 01:44:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:21,370 INFO L225 Difference]: With dead ends: 335 [2020-10-20 01:44:21,371 INFO L226 Difference]: Without dead ends: 182 [2020-10-20 01:44:21,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-20 01:44:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 135. [2020-10-20 01:44:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-20 01:44:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2020-10-20 01:44:21,384 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 50 [2020-10-20 01:44:21,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:21,385 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2020-10-20 01:44:21,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2020-10-20 01:44:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:21,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:21,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:21,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:21,387 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:21,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1787068753, now seen corresponding path program 1 times [2020-10-20 01:44:21,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:21,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786673924] [2020-10-20 01:44:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:21,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786673924] [2020-10-20 01:44:21,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:21,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:21,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237551377] [2020-10-20 01:44:21,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:21,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:21,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:21,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:21,446 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand 5 states. [2020-10-20 01:44:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:21,523 INFO L93 Difference]: Finished difference Result 449 states and 597 transitions. [2020-10-20 01:44:21,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:21,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:21,526 INFO L225 Difference]: With dead ends: 449 [2020-10-20 01:44:21,526 INFO L226 Difference]: Without dead ends: 344 [2020-10-20 01:44:21,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-20 01:44:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 138. [2020-10-20 01:44:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-20 01:44:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2020-10-20 01:44:21,542 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 51 [2020-10-20 01:44:21,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:21,542 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2020-10-20 01:44:21,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2020-10-20 01:44:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:21,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:21,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:21,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:21,544 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2114871533, now seen corresponding path program 1 times [2020-10-20 01:44:21,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:21,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149886798] [2020-10-20 01:44:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:21,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149886798] [2020-10-20 01:44:21,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:21,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:21,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991930758] [2020-10-20 01:44:21,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:21,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:21,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:21,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:21,621 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand 5 states. [2020-10-20 01:44:21,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:21,780 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2020-10-20 01:44:21,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:21,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:21,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:21,783 INFO L225 Difference]: With dead ends: 347 [2020-10-20 01:44:21,783 INFO L226 Difference]: Without dead ends: 345 [2020-10-20 01:44:21,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:21,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-10-20 01:44:21,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 138. [2020-10-20 01:44:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-20 01:44:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2020-10-20 01:44:21,800 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 51 [2020-10-20 01:44:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:21,801 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2020-10-20 01:44:21,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2020-10-20 01:44:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:21,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:21,802 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:21,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:21,802 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:21,803 INFO L82 PathProgramCache]: Analyzing trace with hash 913359712, now seen corresponding path program 1 times [2020-10-20 01:44:21,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:21,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168076563] [2020-10-20 01:44:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:21,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168076563] [2020-10-20 01:44:21,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272446458] [2020-10-20 01:44:21,875 INFO L95 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 [2020-10-20 01:44:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:22,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:22,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:22,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:22,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-20 01:44:22,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429330454] [2020-10-20 01:44:22,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:22,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:22,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:22,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:22,260 INFO L87 Difference]: Start difference. First operand 138 states and 178 transitions. Second operand 6 states. [2020-10-20 01:44:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:22,584 INFO L93 Difference]: Finished difference Result 427 states and 563 transitions. [2020-10-20 01:44:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:22,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-20 01:44:22,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:22,587 INFO L225 Difference]: With dead ends: 427 [2020-10-20 01:44:22,587 INFO L226 Difference]: Without dead ends: 319 [2020-10-20 01:44:22,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:22,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-20 01:44:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 195. [2020-10-20 01:44:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-20 01:44:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2020-10-20 01:44:22,626 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 52 [2020-10-20 01:44:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:22,627 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2020-10-20 01:44:22,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2020-10-20 01:44:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-20 01:44:22,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:22,629 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:22,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:44:22,844 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:22,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:22,845 INFO L82 PathProgramCache]: Analyzing trace with hash 963921624, now seen corresponding path program 2 times [2020-10-20 01:44:22,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:22,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183097898] [2020-10-20 01:44:22,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:22,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183097898] [2020-10-20 01:44:22,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:22,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:22,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779978489] [2020-10-20 01:44:22,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:22,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:22,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:22,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:22,980 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand 5 states. [2020-10-20 01:44:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,261 INFO L93 Difference]: Finished difference Result 569 states and 755 transitions. [2020-10-20 01:44:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:23,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-10-20 01:44:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,264 INFO L225 Difference]: With dead ends: 569 [2020-10-20 01:44:23,264 INFO L226 Difference]: Without dead ends: 403 [2020-10-20 01:44:23,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-10-20 01:44:23,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 268. [2020-10-20 01:44:23,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-20 01:44:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 347 transitions. [2020-10-20 01:44:23,298 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 347 transitions. Word has length 73 [2020-10-20 01:44:23,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,299 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 347 transitions. [2020-10-20 01:44:23,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 347 transitions. [2020-10-20 01:44:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-20 01:44:23,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:23,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:44:23,301 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1238681238, now seen corresponding path program 1 times [2020-10-20 01:44:23,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501865620] [2020-10-20 01:44:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:23,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501865620] [2020-10-20 01:44:23,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:23,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917189080] [2020-10-20 01:44:23,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:23,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:23,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:23,377 INFO L87 Difference]: Start difference. First operand 268 states and 347 transitions. Second operand 7 states. [2020-10-20 01:44:23,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,488 INFO L93 Difference]: Finished difference Result 471 states and 609 transitions. [2020-10-20 01:44:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:23,489 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-10-20 01:44:23,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,489 INFO L225 Difference]: With dead ends: 471 [2020-10-20 01:44:23,489 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:23,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:23,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:23,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-10-20 01:44:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,492 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:23,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:23,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:23,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-20 01:44:23,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:23,630 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-10-20 01:44:23,883 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-10-20 01:44:24,185 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 109 [2020-10-20 01:44:24,395 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-10-20 01:44:24,631 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 72 [2020-10-20 01:44:24,804 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-10-20 01:44:24,972 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-10-20 01:44:25,132 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2020-10-20 01:44:25,585 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-10-20 01:44:25,976 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2020-10-20 01:44:26,462 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-10-20 01:44:26,692 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-10-20 01:44:26,913 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2020-10-20 01:44:27,104 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-20 01:44:27,580 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-10-20 01:44:27,976 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2020-10-20 01:44:28,022 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,022 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,022 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,022 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,022 INFO L274 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,023 INFO L274 CegarLoopResult]: For program point L863-2(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,023 INFO L274 CegarLoopResult]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,023 INFO L274 CegarLoopResult]: For program point L863-5(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,023 INFO L270 CegarLoopResult]: At program point L665(lines 660 668) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2020-10-20 01:44:28,023 INFO L274 CegarLoopResult]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,023 INFO L270 CegarLoopResult]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2020-10-20 01:44:28,023 INFO L274 CegarLoopResult]: For program point L863-8(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,024 INFO L270 CegarLoopResult]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2020-10-20 01:44:28,024 INFO L274 CegarLoopResult]: For program point L863-9(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,024 INFO L270 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-20 01:44:28,024 INFO L274 CegarLoopResult]: For program point L863-11(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L863-12(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L863-14(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L863-15(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L863-17(lines 863 867) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L274 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:28,025 INFO L270 CegarLoopResult]: At program point L931-1(lines 931 937) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:28,026 INFO L277 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,026 INFO L274 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2020-10-20 01:44:28,027 INFO L270 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:44:28,027 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2020-10-20 01:44:28,027 INFO L270 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2020-10-20 01:44:28,028 INFO L270 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2020-10-20 01:44:28,028 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,028 INFO L270 CegarLoopResult]: At program point L869(lines 854 872) the Hoare annotation is: false [2020-10-20 01:44:28,028 INFO L270 CegarLoopResult]: At program point L869-1(lines 854 872) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not .cse1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5 .cse6))) [2020-10-20 01:44:28,029 INFO L270 CegarLoopResult]: At program point L869-2(lines 854 872) the Hoare annotation is: false [2020-10-20 01:44:28,029 INFO L270 CegarLoopResult]: At program point L869-3(lines 854 872) the Hoare annotation is: false [2020-10-20 01:44:28,029 INFO L270 CegarLoopResult]: At program point L869-4(lines 854 872) the Hoare annotation is: false [2020-10-20 01:44:28,029 INFO L270 CegarLoopResult]: At program point L869-5(lines 854 872) the Hoare annotation is: false [2020-10-20 01:44:28,029 INFO L270 CegarLoopResult]: At program point L572(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:44:28,030 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,030 INFO L274 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,030 INFO L274 CegarLoopResult]: For program point L673(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,030 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,030 INFO L274 CegarLoopResult]: For program point L673-1(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,031 INFO L274 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,031 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,031 INFO L274 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,031 INFO L274 CegarLoopResult]: For program point L673-3(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,031 INFO L274 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2020-10-20 01:44:28,032 INFO L274 CegarLoopResult]: For program point L673-4(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,032 INFO L274 CegarLoopResult]: For program point L673-5(lines 673 679) no Hoare annotation was computed. [2020-10-20 01:44:28,032 INFO L274 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-10-20 01:44:28,033 INFO L274 CegarLoopResult]: For program point L941(lines 941 954) no Hoare annotation was computed. [2020-10-20 01:44:28,033 INFO L270 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:28,033 INFO L270 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2020-10-20 01:44:28,033 INFO L270 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2020-10-20 01:44:28,033 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-20 01:44:28,034 INFO L274 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-10-20 01:44:28,034 INFO L274 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2020-10-20 01:44:28,034 INFO L270 CegarLoopResult]: At program point L678(lines 669 682) the Hoare annotation is: false [2020-10-20 01:44:28,034 INFO L270 CegarLoopResult]: At program point L678-1(lines 669 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:44:28,034 INFO L270 CegarLoopResult]: At program point L678-2(lines 669 682) the Hoare annotation is: false [2020-10-20 01:44:28,035 INFO L270 CegarLoopResult]: At program point L678-3(lines 669 682) the Hoare annotation is: false [2020-10-20 01:44:28,035 INFO L270 CegarLoopResult]: At program point L678-4(lines 669 682) the Hoare annotation is: false [2020-10-20 01:44:28,035 INFO L270 CegarLoopResult]: At program point L678-5(lines 669 682) the Hoare annotation is: false [2020-10-20 01:44:28,035 INFO L270 CegarLoopResult]: At program point L580(lines 575 583) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:28,035 INFO L270 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-10-20 01:44:28,036 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:28,036 INFO L274 CegarLoopResult]: For program point L912(lines 911 958) no Hoare annotation was computed. [2020-10-20 01:44:28,036 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-20 01:44:28,036 INFO L274 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-10-20 01:44:28,037 INFO L270 CegarLoopResult]: At program point L814(lines 809 817) the Hoare annotation is: false [2020-10-20 01:44:28,037 INFO L270 CegarLoopResult]: At program point L814-1(lines 809 817) the Hoare annotation is: false [2020-10-20 01:44:28,037 INFO L270 CegarLoopResult]: At program point L814-2(lines 809 817) the Hoare annotation is: false [2020-10-20 01:44:28,037 INFO L274 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2020-10-20 01:44:28,037 INFO L270 CegarLoopResult]: At program point L419-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:44:28,038 INFO L274 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2020-10-20 01:44:28,038 INFO L270 CegarLoopResult]: At program point L419-3(lines 1 966) the Hoare annotation is: false [2020-10-20 01:44:28,038 INFO L274 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2020-10-20 01:44:28,038 INFO L270 CegarLoopResult]: At program point L419-5(lines 1 966) the Hoare annotation is: false [2020-10-20 01:44:28,038 INFO L274 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,039 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,039 INFO L274 CegarLoopResult]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,039 INFO L274 CegarLoopResult]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,039 INFO L274 CegarLoopResult]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,039 INFO L274 CegarLoopResult]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2020-10-20 01:44:28,040 INFO L274 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-10-20 01:44:28,040 INFO L274 CegarLoopResult]: For program point L453-1(lines 703 709) no Hoare annotation was computed. [2020-10-20 01:44:28,040 INFO L274 CegarLoopResult]: For program point L949(lines 949 953) no Hoare annotation was computed. [2020-10-20 01:44:28,040 INFO L270 CegarLoopResult]: At program point L949-2(lines 703 709) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:28,040 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:28,041 INFO L274 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-10-20 01:44:28,041 INFO L274 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2020-10-20 01:44:28,041 INFO L274 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2020-10-20 01:44:28,041 INFO L274 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2020-10-20 01:44:28,041 INFO L270 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-20 01:44:28,042 INFO L270 CegarLoopResult]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2020-10-20 01:44:28,042 INFO L270 CegarLoopResult]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2020-10-20 01:44:28,042 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:28,042 INFO L274 CegarLoopResult]: For program point L921(lines 921 927) no Hoare annotation was computed. [2020-10-20 01:44:28,042 INFO L270 CegarLoopResult]: At program point L921-1(lines 921 927) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:28,043 INFO L270 CegarLoopResult]: At program point L888(lines 873 891) the Hoare annotation is: (and (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-10-20 01:44:28,043 INFO L270 CegarLoopResult]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2020-10-20 01:44:28,043 INFO L270 CegarLoopResult]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2020-10-20 01:44:28,043 INFO L274 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-10-20 01:44:28,043 INFO L277 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-10-20 01:44:28,044 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:28,044 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:28,044 INFO L270 CegarLoopResult]: At program point L959(lines 910 960) the Hoare annotation is: false [2020-10-20 01:44:28,044 INFO L274 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:28,044 INFO L274 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:28,045 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2020-10-20 01:44:28,045 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-20 01:44:28,045 INFO L274 CegarLoopResult]: For program point L596-3(lines 596 600) no Hoare annotation was computed. [2020-10-20 01:44:28,045 INFO L274 CegarLoopResult]: For program point L596-6(lines 596 600) no Hoare annotation was computed. [2020-10-20 01:44:28,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:28 BoogieIcfgContainer [2020-10-20 01:44:28,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:28,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:28,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:28,076 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:28,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:18" (3/4) ... [2020-10-20 01:44:28,081 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:28,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:28,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:28,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:28,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:28,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:28,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:28,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:28,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:28,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 [2020-10-20 01:44:28,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,147 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 [2020-10-20 01:44:28,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 [2020-10-20 01:44:28,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-10-20 01:44:28,233 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:28,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:28,235 INFO L168 Benchmark]: Toolchain (without parser) took 11065.32 ms. Allocated memory was 36.2 MB in the beginning and 128.5 MB in the end (delta: 92.3 MB). Free memory was 9.2 MB in the beginning and 66.7 MB in the end (delta: -57.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,236 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 36.2 MB. Free memory is still 15.1 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:44:28,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.89 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 8.3 MB in the beginning and 16.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.90 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 16.5 MB in the beginning and 26.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,238 INFO L168 Benchmark]: Boogie Preprocessor took 48.48 ms. Allocated memory is still 46.7 MB. Free memory was 26.4 MB in the beginning and 23.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,238 INFO L168 Benchmark]: RCFGBuilder took 1025.45 ms. Allocated memory was 46.7 MB in the beginning and 50.9 MB in the end (delta: 4.2 MB). Free memory was 23.6 MB in the beginning and 20.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,239 INFO L168 Benchmark]: TraceAbstraction took 9097.02 ms. Allocated memory was 50.9 MB in the beginning and 128.5 MB in the end (delta: 77.6 MB). Free memory was 19.8 MB in the beginning and 80.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,239 INFO L168 Benchmark]: Witness Printer took 158.00 ms. Allocated memory is still 128.5 MB. Free memory was 80.0 MB in the beginning and 66.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:28,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 36.2 MB. Free memory is still 15.1 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 642.89 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 8.3 MB in the beginning and 16.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 81.90 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 16.5 MB in the beginning and 26.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 48.48 ms. Allocated memory is still 46.7 MB. Free memory was 26.4 MB in the beginning and 23.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1025.45 ms. Allocated memory was 46.7 MB in the beginning and 50.9 MB in the end (delta: 4.2 MB). Free memory was 23.6 MB in the beginning and 20.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 9097.02 ms. Allocated memory was 50.9 MB in the beginning and 128.5 MB in the end (delta: 77.6 MB). Free memory was 19.8 MB in the beginning and 80.0 MB in the end (delta: -60.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 14.3 GB. * Witness Printer took 158.00 ms. Allocated memory is still 128.5 MB. Free memory was 80.0 MB in the beginning and 66.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1543 SDtfs, 2304 SDslu, 2257 SDs, 0 SdLazy, 385 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=14, 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, 15 MinimizatonAttempts, 1034 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 123 NumberOfFragments, 568 HoareAnnotationTreeSize, 43 FomulaSimplifications, 2668045 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 219657 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 44736 SizeOfPredicates, 4 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 162/168 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...