./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec5_product35.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 426d9f957077f660214567f7d0d5aaa1a30c29c0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:39,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:39,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:39,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:39,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:39,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:39,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:39,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:39,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:39,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:39,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:39,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:39,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:39,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:39,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:39,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:39,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:39,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:39,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:39,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:39,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:39,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:39,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:39,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:39,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:39,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:39,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:39,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:39,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:39,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:39,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:39,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:39,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:39,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:39,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:39,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:40,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:40,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:40,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:40,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:40,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:40,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:40,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:40,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:40,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:40,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:40,020 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:40,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:40,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:40,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:40,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:40,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:40,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:40,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:40,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:40,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:40,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:40,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:40,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:40,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:40,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:40,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:40,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:40,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:40,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:40,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:40,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:40,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:40,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:40,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:40,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:40,026 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(__VERIFIER_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 -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-11-28 17:27:40,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:40,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:40,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:40,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:40,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:40,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-11-28 17:27:40,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937061b0f/1031e02fa03d418093a56286b09c286f/FLAGc596ace36 [2019-11-28 17:27:40,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:40,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-11-28 17:27:40,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937061b0f/1031e02fa03d418093a56286b09c286f/FLAGc596ace36 [2019-11-28 17:27:41,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937061b0f/1031e02fa03d418093a56286b09c286f [2019-11-28 17:27:41,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:41,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:41,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:41,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:41,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:41,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:41,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41, skipping insertion in model container [2019-11-28 17:27:41,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:41,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:41,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:41,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:41,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:41,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:41,947 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:41,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41 WrapperNode [2019-11-28 17:27:41,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:41,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:41,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:41,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:41,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:41,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:42,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:42,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:42,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:42,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:42,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:42,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:42,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:42,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:42,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (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 [2019-11-28 17:27:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:42,899 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:42,899 INFO L287 CfgBuilder]: Removed 114 assume(true) statements. [2019-11-28 17:27:42,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:42 BoogieIcfgContainer [2019-11-28 17:27:42,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:42,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:42,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:42,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:42,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:41" (1/3) ... [2019-11-28 17:27:42,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b33b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:42, skipping insertion in model container [2019-11-28 17:27:42,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41" (2/3) ... [2019-11-28 17:27:42,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b33b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:42, skipping insertion in model container [2019-11-28 17:27:42,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:42" (3/3) ... [2019-11-28 17:27:42,910 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-11-28 17:27:42,921 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:42,929 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:42,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:42,973 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:42,973 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:42,973 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:42,973 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:42,975 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:42,975 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:42,975 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:42,975 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-11-28 17:27:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:27:43,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,001 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:43,002 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2019-11-28 17:27:43,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756121609] [2019-11-28 17:27:43,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:43,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756121609] [2019-11-28 17:27:43,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:43,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:43,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881831550] [2019-11-28 17:27:43,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:43,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:43,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:43,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:43,289 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-11-28 17:27:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:43,347 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-11-28 17:27:43,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:43,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 17:27:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:43,365 INFO L225 Difference]: With dead ends: 171 [2019-11-28 17:27:43,366 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 17:27:43,372 INFO L630 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 [2019-11-28 17:27:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 17:27:43,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-28 17:27:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 17:27:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-11-28 17:27:43,431 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-11-28 17:27:43,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:43,431 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-11-28 17:27:43,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-11-28 17:27:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:27:43,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,433 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:43,433 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,434 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2019-11-28 17:27:43,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528269019] [2019-11-28 17:27:43,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:43,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528269019] [2019-11-28 17:27:43,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:43,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:43,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760826711] [2019-11-28 17:27:43,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:43,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:43,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:43,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:43,625 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-11-28 17:27:43,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:43,638 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-11-28 17:27:43,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:43,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:27:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:43,640 INFO L225 Difference]: With dead ends: 85 [2019-11-28 17:27:43,640 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 17:27:43,642 INFO L630 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 [2019-11-28 17:27:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 17:27:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 17:27:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 17:27:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-11-28 17:27:43,649 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-11-28 17:27:43,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:43,650 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-11-28 17:27:43,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-11-28 17:27:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:43,652 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,652 INFO L410 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] [2019-11-28 17:27:43,653 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2019-11-28 17:27:43,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887937934] [2019-11-28 17:27:43,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:43,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887937934] [2019-11-28 17:27:43,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:43,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:43,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903256541] [2019-11-28 17:27:43,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:43,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:43,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:43,778 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 6 states. [2019-11-28 17:27:43,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:43,948 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2019-11-28 17:27:43,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:43,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 17:27:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:43,950 INFO L225 Difference]: With dead ends: 132 [2019-11-28 17:27:43,950 INFO L226 Difference]: Without dead ends: 99 [2019-11-28 17:27:43,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:43,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-28 17:27:43,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2019-11-28 17:27:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 17:27:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2019-11-28 17:27:43,964 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2019-11-28 17:27:43,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:43,964 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2019-11-28 17:27:43,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-28 17:27:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:27:43,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,966 INFO L410 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] [2019-11-28 17:27:43,966 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,967 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2019-11-28 17:27:43,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773625805] [2019-11-28 17:27:43,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:44,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773625805] [2019-11-28 17:27:44,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:44,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815069629] [2019-11-28 17:27:44,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:44,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:44,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,076 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand 3 states. [2019-11-28 17:27:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,127 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2019-11-28 17:27:44,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:44,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 17:27:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,130 INFO L225 Difference]: With dead ends: 141 [2019-11-28 17:27:44,130 INFO L226 Difference]: Without dead ends: 86 [2019-11-28 17:27:44,131 INFO L630 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 [2019-11-28 17:27:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-28 17:27:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2019-11-28 17:27:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 17:27:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2019-11-28 17:27:44,154 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2019-11-28 17:27:44,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,155 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2019-11-28 17:27:44,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-11-28 17:27:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 17:27:44,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,159 INFO L410 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] [2019-11-28 17:27:44,159 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,160 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2019-11-28 17:27:44,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303611752] [2019-11-28 17:27:44,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:44,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303611752] [2019-11-28 17:27:44,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:44,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486312583] [2019-11-28 17:27:44,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:44,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:44,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:44,282 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 5 states. [2019-11-28 17:27:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,461 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2019-11-28 17:27:44,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:44,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 17:27:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,464 INFO L225 Difference]: With dead ends: 273 [2019-11-28 17:27:44,464 INFO L226 Difference]: Without dead ends: 196 [2019-11-28 17:27:44,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-28 17:27:44,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2019-11-28 17:27:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-28 17:27:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2019-11-28 17:27:44,488 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2019-11-28 17:27:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,489 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2019-11-28 17:27:44,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2019-11-28 17:27:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:44,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,491 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,491 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2019-11-28 17:27:44,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369934047] [2019-11-28 17:27:44,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:44,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369934047] [2019-11-28 17:27:44,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:44,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321860013] [2019-11-28 17:27:44,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:44,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:44,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:44,557 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand 5 states. [2019-11-28 17:27:44,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,616 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2019-11-28 17:27:44,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:44,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:27:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,619 INFO L225 Difference]: With dead ends: 240 [2019-11-28 17:27:44,619 INFO L226 Difference]: Without dead ends: 165 [2019-11-28 17:27:44,620 INFO L630 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 [2019-11-28 17:27:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-28 17:27:44,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2019-11-28 17:27:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 17:27:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2019-11-28 17:27:44,635 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2019-11-28 17:27:44,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,635 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2019-11-28 17:27:44,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2019-11-28 17:27:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:44,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,639 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,640 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2019-11-28 17:27:44,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10309441] [2019-11-28 17:27:44,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:44,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10309441] [2019-11-28 17:27:44,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:44,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151514909] [2019-11-28 17:27:44,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:44,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:44,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:44,716 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand 6 states. [2019-11-28 17:27:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,813 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2019-11-28 17:27:44,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:44,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 17:27:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,815 INFO L225 Difference]: With dead ends: 254 [2019-11-28 17:27:44,816 INFO L226 Difference]: Without dead ends: 176 [2019-11-28 17:27:44,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:27:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-28 17:27:44,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2019-11-28 17:27:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 17:27:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2019-11-28 17:27:44,833 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2019-11-28 17:27:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,834 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2019-11-28 17:27:44,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2019-11-28 17:27:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:44,837 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,839 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2019-11-28 17:27:44,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003563119] [2019-11-28 17:27:44,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:44,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003563119] [2019-11-28 17:27:44,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:44,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519941021] [2019-11-28 17:27:44,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:44,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:44,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,906 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 3 states. [2019-11-28 17:27:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,941 INFO L93 Difference]: Finished difference Result 216 states and 292 transitions. [2019-11-28 17:27:44,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:44,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:27:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,944 INFO L225 Difference]: With dead ends: 216 [2019-11-28 17:27:44,944 INFO L226 Difference]: Without dead ends: 136 [2019-11-28 17:27:44,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-28 17:27:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-11-28 17:27:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 17:27:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2019-11-28 17:27:44,970 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 33 [2019-11-28 17:27:44,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,971 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2019-11-28 17:27:44,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2019-11-28 17:27:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:44,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,976 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,977 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2019-11-28 17:27:44,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135536205] [2019-11-28 17:27:44,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:45,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135536205] [2019-11-28 17:27:45,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:45,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:45,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179850887] [2019-11-28 17:27:45,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:45,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:45,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:45,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:45,103 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand 6 states. [2019-11-28 17:27:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:45,396 INFO L93 Difference]: Finished difference Result 481 states and 655 transitions. [2019-11-28 17:27:45,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:45,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 17:27:45,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:45,400 INFO L225 Difference]: With dead ends: 481 [2019-11-28 17:27:45,400 INFO L226 Difference]: Without dead ends: 401 [2019-11-28 17:27:45,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-28 17:27:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 198. [2019-11-28 17:27:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 17:27:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2019-11-28 17:27:45,464 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 34 [2019-11-28 17:27:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:45,467 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2019-11-28 17:27:45,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2019-11-28 17:27:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 17:27:45,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:45,471 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:45,471 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2019-11-28 17:27:45,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:45,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487403976] [2019-11-28 17:27:45,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:45,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487403976] [2019-11-28 17:27:45,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443247967] [2019-11-28 17:27:45,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,694 INFO L264 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:45,706 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:45,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:45,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 17:27:45,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923185526] [2019-11-28 17:27:45,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:27:45,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:45,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:27:45,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:45,766 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand 8 states. [2019-11-28 17:27:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:45,981 INFO L93 Difference]: Finished difference Result 353 states and 468 transitions. [2019-11-28 17:27:45,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:45,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-28 17:27:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:45,982 INFO L225 Difference]: With dead ends: 353 [2019-11-28 17:27:45,982 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:45,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:45,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:45,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-28 17:27:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:45,986 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:45,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:27:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:45,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:46,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:46,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:47,232 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-11-28 17:27:47,554 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-11-28 17:27:47,688 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 16 [2019-11-28 17:27:47,942 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-11-28 17:27:48,250 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2019-11-28 17:27:48,589 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2019-11-28 17:27:48,749 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-11-28 17:27:48,899 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-28 17:27:49,240 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2019-11-28 17:27:49,382 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-11-28 17:27:49,646 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2019-11-28 17:27:49,978 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-11-28 17:27:50,324 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2019-11-28 17:27:50,377 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,377 INFO L246 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-11-28 17:27:50,377 INFO L242 CegarLoopResult]: At program point L878(lines 863 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1 .cse3 .cse4 .cse5))) [2019-11-28 17:27:50,377 INFO L242 CegarLoopResult]: At program point L878-1(lines 863 881) the Hoare annotation is: false [2019-11-28 17:27:50,378 INFO L242 CegarLoopResult]: At program point L878-2(lines 863 881) the Hoare annotation is: false [2019-11-28 17:27:50,378 INFO L246 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-11-28 17:27:50,378 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,378 INFO L242 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-11-28 17:27:50,378 INFO L246 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2019-11-28 17:27:50,378 INFO L246 CegarLoopResult]: For program point L929-2(lines 929 939) no Hoare annotation was computed. [2019-11-28 17:27:50,378 INFO L246 CegarLoopResult]: For program point L929-4(lines 929 939) no Hoare annotation was computed. [2019-11-28 17:27:50,379 INFO L246 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:27:50,379 INFO L246 CegarLoopResult]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:27:50,379 INFO L246 CegarLoopResult]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-28 17:27:50,379 INFO L242 CegarLoopResult]: At program point L914(lines 738 744) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 17:27:50,379 INFO L242 CegarLoopResult]: At program point L914-1(lines 738 744) the Hoare annotation is: false [2019-11-28 17:27:50,379 INFO L242 CegarLoopResult]: At program point L914-2(lines 738 744) the Hoare annotation is: false [2019-11-28 17:27:50,380 INFO L242 CegarLoopResult]: At program point L551(lines 546 554) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,380 INFO L246 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-11-28 17:27:50,380 INFO L242 CegarLoopResult]: At program point L717(lines 708 721) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-11-28 17:27:50,380 INFO L242 CegarLoopResult]: At program point L717-1(lines 708 721) the Hoare annotation is: false [2019-11-28 17:27:50,380 INFO L242 CegarLoopResult]: At program point L717-2(lines 708 721) the Hoare annotation is: false [2019-11-28 17:27:50,380 INFO L246 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:27:50,380 INFO L246 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-28 17:27:50,381 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:27:50,381 INFO L246 CegarLoopResult]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:27:50,381 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,381 INFO L246 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-11-28 17:27:50,381 INFO L242 CegarLoopResult]: At program point L603-1(lines 603 609) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 (= ~pumpRunning~0 0) .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 17:27:50,381 INFO L246 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-11-28 17:27:50,382 INFO L249 CegarLoopResult]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-11-28 17:27:50,382 INFO L246 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-11-28 17:27:50,382 INFO L242 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 17:27:50,382 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,382 INFO L246 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2019-11-28 17:27:50,382 INFO L246 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2019-11-28 17:27:50,383 INFO L242 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~5) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse5) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2019-11-28 17:27:50,383 INFO L246 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2019-11-28 17:27:50,383 INFO L242 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: false [2019-11-28 17:27:50,383 INFO L242 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2019-11-28 17:27:50,383 INFO L246 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2019-11-28 17:27:50,383 INFO L242 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:50,383 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,384 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,384 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,384 INFO L242 CegarLoopResult]: At program point L738(lines 734 756) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 17:27:50,384 INFO L242 CegarLoopResult]: At program point L738-1(lines 734 756) the Hoare annotation is: false [2019-11-28 17:27:50,384 INFO L242 CegarLoopResult]: At program point L738-2(lines 734 756) the Hoare annotation is: false [2019-11-28 17:27:50,384 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,385 INFO L242 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-11-28 17:27:50,385 INFO L242 CegarLoopResult]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,385 INFO L246 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2019-11-28 17:27:50,385 INFO L242 CegarLoopResult]: At program point L112(lines 108 114) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,385 INFO L246 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,385 INFO L246 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,385 INFO L246 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,386 INFO L246 CegarLoopResult]: For program point L872-5(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,386 INFO L246 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,386 INFO L246 CegarLoopResult]: For program point L872-8(lines 872 876) no Hoare annotation was computed. [2019-11-28 17:27:50,386 INFO L242 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse2 .cse1 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1 .cse4 .cse5 .cse6 .cse3))) [2019-11-28 17:27:50,386 INFO L242 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) .cse3))) [2019-11-28 17:27:50,386 INFO L242 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2019-11-28 17:27:50,387 INFO L242 CegarLoopResult]: At program point L823-3(lines 818 826) the Hoare annotation is: false [2019-11-28 17:27:50,387 INFO L242 CegarLoopResult]: At program point L823-4(lines 818 826) the Hoare annotation is: false [2019-11-28 17:27:50,387 INFO L242 CegarLoopResult]: At program point L823-5(lines 818 826) the Hoare annotation is: false [2019-11-28 17:27:50,387 INFO L246 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-11-28 17:27:50,387 INFO L246 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2019-11-28 17:27:50,387 INFO L246 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-11-28 17:27:50,387 INFO L242 CegarLoopResult]: At program point L543(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,387 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L242 CegarLoopResult]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:27:50,388 INFO L246 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2019-11-28 17:27:50,389 INFO L242 CegarLoopResult]: At program point L925-1(lines 1 945) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4 .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (and .cse0 .cse2 .cse1 .cse6 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-11-28 17:27:50,389 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 942) no Hoare annotation was computed. [2019-11-28 17:27:50,389 INFO L242 CegarLoopResult]: At program point L925-3(lines 1 945) the Hoare annotation is: false [2019-11-28 17:27:50,389 INFO L246 CegarLoopResult]: For program point L925-4(lines 925 942) no Hoare annotation was computed. [2019-11-28 17:27:50,389 INFO L242 CegarLoopResult]: At program point L925-5(lines 1 945) the Hoare annotation is: false [2019-11-28 17:27:50,389 INFO L249 CegarLoopResult]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-11-28 17:27:50,390 INFO L242 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~5) .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 .cse6 .cse5))) [2019-11-28 17:27:50,390 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-28 17:27:50,390 INFO L242 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2019-11-28 17:27:50,390 INFO L246 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-11-28 17:27:50,390 INFO L242 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2019-11-28 17:27:50,390 INFO L246 CegarLoopResult]: For program point L712-2(lines 712 718) no Hoare annotation was computed. [2019-11-28 17:27:50,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:50 BoogieIcfgContainer [2019-11-28 17:27:50,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:50,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:50,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:50,436 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:50,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:42" (3/4) ... [2019-11-28 17:27:50,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:50,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:50,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:50,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:50,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:50,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:50,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:50,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:50,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:50,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:50,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:50,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && tmp <= 2) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:27:50,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:50,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && !(0 == tmp)) && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:50,582 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:50,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:50,583 INFO L168 Benchmark]: Toolchain (without parser) took 9345.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 957.7 MB in the beginning and 958.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 317.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,584 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:50,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,585 INFO L168 Benchmark]: Boogie Preprocessor took 44.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:50,586 INFO L168 Benchmark]: RCFGBuilder took 839.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,586 INFO L168 Benchmark]: TraceAbstraction took 7533.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 968.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 319.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,586 INFO L168 Benchmark]: Witness Printer took 146.67 ms. Allocated memory is still 1.3 GB. Free memory was 968.4 MB in the beginning and 958.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 708.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 839.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7533.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 968.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 319.5 MB. Max. memory is 11.5 GB. * Witness Printer took 146.67 ms. Allocated memory is still 1.3 GB. Free memory was 968.4 MB in the beginning and 958.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && tmp <= 2) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((0 == \result && !(0 == tmp)) && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && \result == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 0 == tmp) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && switchedOnBeforeTS == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 834 SDtfs, 1088 SDslu, 1466 SDs, 0 SdLazy, 228 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, 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, 10 MinimizatonAttempts, 525 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 137 NumberOfFragments, 960 HoareAnnotationTreeSize, 39 FomulaSimplifications, 30030 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 62489 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 24337 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...