./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer --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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:04:51,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:04:51,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:04:51,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:04:51,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:04:51,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:04:51,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:04:51,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:04:51,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:04:51,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:04:51,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:04:51,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:04:51,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:04:51,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:04:51,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:04:51,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:04:51,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:04:51,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:04:51,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:04:52,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:04:52,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:04:52,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:04:52,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:04:52,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:04:52,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:04:52,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:04:52,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:04:52,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:04:52,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:04:52,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:04:52,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:04:52,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:04:52,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:04:52,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:04:52,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:04:52,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:04:52,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:04:52,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:04:52,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:04:52,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:04:52,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:04:52,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:04:52,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:04:52,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:04:52,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:04:52,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:04:52,025 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:04:52,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:04:52,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:04:52,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:04:52,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:04:52,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:04:52,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:04:52,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:04:52,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:04:52,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:04:52,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:04:52,027 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:04:52,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:04:52,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:04:52,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:04:52,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:04:52,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:04:52,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:04:52,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:04:52,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:04:52,030 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer 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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2019-12-07 17:04:52,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:04:52,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:04:52,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:04:52,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:04:52,152 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:04:52,152 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 17:04:52,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/data/6f3eaf9ab/988f5cf665464a339ac953c5e730753a/FLAGa56220b20 [2019-12-07 17:04:52,556 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:04:52,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-12-07 17:04:52,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/data/6f3eaf9ab/988f5cf665464a339ac953c5e730753a/FLAGa56220b20 [2019-12-07 17:04:52,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/data/6f3eaf9ab/988f5cf665464a339ac953c5e730753a [2019-12-07 17:04:52,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:04:52,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:04:52,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:04:52,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:04:52,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:04:52,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c6af1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52, skipping insertion in model container [2019-12-07 17:04:52,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:04:52,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:04:52,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:04:52,826 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:04:52,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:04:52,897 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:04:52,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52 WrapperNode [2019-12-07 17:04:52,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:04:52,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:04:52,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:04:52,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:04:52,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:04:52,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:04:52,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:04:52,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:04:52,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... [2019-12-07 17:04:52,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:04:52,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:04:52,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:04:52,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:04:52,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/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 [2019-12-07 17:04:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:04:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:04:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:04:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:04:53,479 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:04:53,479 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-12-07 17:04:53,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:04:53 BoogieIcfgContainer [2019-12-07 17:04:53,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:04:53,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:04:53,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:04:53,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:04:53,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:04:52" (1/3) ... [2019-12-07 17:04:53,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3a91ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:04:53, skipping insertion in model container [2019-12-07 17:04:53,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:04:52" (2/3) ... [2019-12-07 17:04:53,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3a91ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:04:53, skipping insertion in model container [2019-12-07 17:04:53,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:04:53" (3/3) ... [2019-12-07 17:04:53,485 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-12-07 17:04:53,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:04:53,497 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:04:53,504 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:04:53,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:04:53,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:04:53,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:04:53,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:04:53,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:04:53,521 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:04:53,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:04:53,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:04:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 17:04:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 17:04:53,539 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:53,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:04:53,540 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:53,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:53,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2019-12-07 17:04:53,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:53,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029150536] [2019-12-07 17:04:53,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:53,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029150536] [2019-12-07 17:04:53,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:53,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:04:53,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224964135] [2019-12-07 17:04:53,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:04:53,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:53,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:04:53,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:04:53,720 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 17:04:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:53,742 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2019-12-07 17:04:53,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:04:53,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 17:04:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:53,751 INFO L225 Difference]: With dead ends: 252 [2019-12-07 17:04:53,751 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 17:04:53,753 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 [2019-12-07 17:04:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 17:04:53,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:04:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:04:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-12-07 17:04:53,784 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2019-12-07 17:04:53,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:53,784 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 17:04:53,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:04:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2019-12-07 17:04:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:04:53,785 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:53,786 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:04:53,786 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:53,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:53,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2019-12-07 17:04:53,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:53,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503663934] [2019-12-07 17:04:53,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:53,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503663934] [2019-12-07 17:04:53,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:53,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:04:53,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567367651] [2019-12-07 17:04:53,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:04:53,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:53,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:04:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:04:53,849 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2019-12-07 17:04:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:53,859 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2019-12-07 17:04:53,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:04:53,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 17:04:53,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:53,861 INFO L225 Difference]: With dead ends: 125 [2019-12-07 17:04:53,861 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 17:04:53,862 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 [2019-12-07 17:04:53,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 17:04:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 17:04:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 17:04:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-12-07 17:04:53,868 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2019-12-07 17:04:53,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:53,869 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-12-07 17:04:53,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:04:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-12-07 17:04:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 17:04:53,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:53,870 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] [2019-12-07 17:04:53,870 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:53,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:53,870 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2019-12-07 17:04:53,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:53,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041590262] [2019-12-07 17:04:53,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:53,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041590262] [2019-12-07 17:04:53,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:53,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:04:53,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957744636] [2019-12-07 17:04:53,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:04:53,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:53,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:04:53,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:04:53,922 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-12-07 17:04:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:53,942 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2019-12-07 17:04:53,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:04:53,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 17:04:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:53,944 INFO L225 Difference]: With dead ends: 96 [2019-12-07 17:04:53,944 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 17:04:53,944 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 [2019-12-07 17:04:53,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 17:04:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 17:04:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 17:04:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-12-07 17:04:53,949 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2019-12-07 17:04:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:53,949 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-12-07 17:04:53,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:04:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-12-07 17:04:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 17:04:53,950 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:53,950 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] [2019-12-07 17:04:53,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:53,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:53,951 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2019-12-07 17:04:53,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:53,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126790684] [2019-12-07 17:04:53,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:53,987 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126790684] [2019-12-07 17:04:53,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:53,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:04:53,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319751138] [2019-12-07 17:04:53,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:04:53,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:53,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:04:53,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:04:53,989 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-12-07 17:04:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,012 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2019-12-07 17:04:54,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:04:54,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 17:04:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,013 INFO L225 Difference]: With dead ends: 117 [2019-12-07 17:04:54,014 INFO L226 Difference]: Without dead ends: 72 [2019-12-07 17:04:54,014 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 [2019-12-07 17:04:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-07 17:04:54,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-12-07 17:04:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 17:04:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2019-12-07 17:04:54,020 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2019-12-07 17:04:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,020 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2019-12-07 17:04:54,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:04:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-12-07 17:04:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 17:04:54,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,021 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] [2019-12-07 17:04:54,021 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,021 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2019-12-07 17:04:54,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236906438] [2019-12-07 17:04:54,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236906438] [2019-12-07 17:04:54,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:04:54,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529025265] [2019-12-07 17:04:54,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:04:54,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:04:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:04:54,065 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2019-12-07 17:04:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,160 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2019-12-07 17:04:54,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:04:54,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 17:04:54,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,163 INFO L225 Difference]: With dead ends: 335 [2019-12-07 17:04:54,164 INFO L226 Difference]: Without dead ends: 271 [2019-12-07 17:04:54,165 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 [2019-12-07 17:04:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-12-07 17:04:54,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2019-12-07 17:04:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 17:04:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-07 17:04:54,184 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2019-12-07 17:04:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,184 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-07 17:04:54,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:04:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-07 17:04:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 17:04:54,186 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,186 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] [2019-12-07 17:04:54,186 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,187 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2019-12-07 17:04:54,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619275618] [2019-12-07 17:04:54,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619275618] [2019-12-07 17:04:54,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:04:54,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597744418] [2019-12-07 17:04:54,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:04:54,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:04:54,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:04:54,244 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2019-12-07 17:04:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,324 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2019-12-07 17:04:54,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:04:54,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 17:04:54,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,327 INFO L225 Difference]: With dead ends: 366 [2019-12-07 17:04:54,327 INFO L226 Difference]: Without dead ends: 364 [2019-12-07 17:04:54,327 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 [2019-12-07 17:04:54,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-12-07 17:04:54,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-12-07 17:04:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 17:04:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2019-12-07 17:04:54,339 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2019-12-07 17:04:54,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,339 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2019-12-07 17:04:54,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:04:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2019-12-07 17:04:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 17:04:54,341 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,341 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] [2019-12-07 17:04:54,341 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2019-12-07 17:04:54,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671687344] [2019-12-07 17:04:54,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671687344] [2019-12-07 17:04:54,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:04:54,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365155146] [2019-12-07 17:04:54,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:04:54,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:04:54,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:04:54,378 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2019-12-07 17:04:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,429 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2019-12-07 17:04:54,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:04:54,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 17:04:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,430 INFO L225 Difference]: With dead ends: 336 [2019-12-07 17:04:54,430 INFO L226 Difference]: Without dead ends: 214 [2019-12-07 17:04:54,431 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 [2019-12-07 17:04:54,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-12-07 17:04:54,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2019-12-07 17:04:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 17:04:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2019-12-07 17:04:54,442 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2019-12-07 17:04:54,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,442 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2019-12-07 17:04:54,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:04:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2019-12-07 17:04:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 17:04:54,443 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,443 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] [2019-12-07 17:04:54,444 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2019-12-07 17:04:54,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358889695] [2019-12-07 17:04:54,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358889695] [2019-12-07 17:04:54,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:04:54,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753275759] [2019-12-07 17:04:54,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:04:54,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:04:54,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:04:54,476 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2019-12-07 17:04:54,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,522 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2019-12-07 17:04:54,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:04:54,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 17:04:54,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,524 INFO L225 Difference]: With dead ends: 332 [2019-12-07 17:04:54,524 INFO L226 Difference]: Without dead ends: 198 [2019-12-07 17:04:54,525 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:04:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-12-07 17:04:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2019-12-07 17:04:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 17:04:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2019-12-07 17:04:54,538 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2019-12-07 17:04:54,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,538 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2019-12-07 17:04:54,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:04:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2019-12-07 17:04:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 17:04:54,539 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,539 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] [2019-12-07 17:04:54,540 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2019-12-07 17:04:54,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598879738] [2019-12-07 17:04:54,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598879738] [2019-12-07 17:04:54,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:04:54,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379234426] [2019-12-07 17:04:54,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:04:54,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:04:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:04:54,573 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2019-12-07 17:04:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,594 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2019-12-07 17:04:54,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:04:54,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 17:04:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,596 INFO L225 Difference]: With dead ends: 340 [2019-12-07 17:04:54,596 INFO L226 Difference]: Without dead ends: 198 [2019-12-07 17:04:54,597 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 [2019-12-07 17:04:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-12-07 17:04:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2019-12-07 17:04:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-12-07 17:04:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2019-12-07 17:04:54,612 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2019-12-07 17:04:54,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,613 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2019-12-07 17:04:54,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:04:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2019-12-07 17:04:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 17:04:54,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,614 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, 1] [2019-12-07 17:04:54,614 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2019-12-07 17:04:54,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674191800] [2019-12-07 17:04:54,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:04:54,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674191800] [2019-12-07 17:04:54,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:04:54,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:04:54,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710087898] [2019-12-07 17:04:54,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:04:54,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:54,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:04:54,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:04:54,663 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2019-12-07 17:04:54,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:54,833 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2019-12-07 17:04:54,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 17:04:54,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 17:04:54,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:54,836 INFO L225 Difference]: With dead ends: 666 [2019-12-07 17:04:54,836 INFO L226 Difference]: Without dead ends: 474 [2019-12-07 17:04:54,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:04:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-12-07 17:04:54,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2019-12-07 17:04:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-12-07 17:04:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2019-12-07 17:04:54,855 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2019-12-07 17:04:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:54,855 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2019-12-07 17:04:54,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:04:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2019-12-07 17:04:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 17:04:54,856 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:04:54,856 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:04:54,857 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:04:54,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:04:54,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2019-12-07 17:04:54,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:04:54,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676988323] [2019-12-07 17:04:54,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:04:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:04:54,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676988323] [2019-12-07 17:04:54,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108617831] [2019-12-07 17:04:54,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/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 [2019-12-07 17:04:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:04:55,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 17:04:55,013 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:04:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:04:55,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:04:55,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-12-07 17:04:55,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956981596] [2019-12-07 17:04:55,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:04:55,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:04:55,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:04:55,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:04:55,063 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2019-12-07 17:04:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:04:55,207 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2019-12-07 17:04:55,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 17:04:55,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-07 17:04:55,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:04:55,208 INFO L225 Difference]: With dead ends: 497 [2019-12-07 17:04:55,208 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:04:55,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-12-07 17:04:55,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:04:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:04:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:04:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:04:55,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 17:04:55,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:04:55,209 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:04:55,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:04:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:04:55,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:04:55,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:04:55,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:04:55,551 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-12-07 17:04:55,782 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2019-12-07 17:04:56,410 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 18 [2019-12-07 17:04:56,638 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-12-07 17:04:56,769 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-12-07 17:04:56,964 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 14 [2019-12-07 17:04:57,329 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2019-12-07 17:04:57,686 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 14 [2019-12-07 17:04:57,938 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2019-12-07 17:04:58,303 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2019-12-07 17:04:58,447 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,448 INFO L242 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,448 INFO L242 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2019-12-07 17:04:58,448 INFO L242 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2019-12-07 17:04:58,448 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 17:04:58,449 INFO L246 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-12-07 17:04:58,449 INFO L246 CegarLoopResult]: For program point L500-3(lines 500 504) no Hoare annotation was computed. [2019-12-07 17:04:58,449 INFO L246 CegarLoopResult]: For program point L500-6(lines 500 504) no Hoare annotation was computed. [2019-12-07 17:04:58,449 INFO L242 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2019-12-07 17:04:58,449 INFO L246 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2019-12-07 17:04:58,449 INFO L246 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,450 INFO L246 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,451 INFO L246 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,451 INFO L246 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,451 INFO L246 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,451 INFO L246 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2019-12-07 17:04:58,451 INFO L242 CegarLoopResult]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 17:04:58,452 INFO L242 CegarLoopResult]: At program point L537-1(lines 532 540) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:04:58,452 INFO L242 CegarLoopResult]: At program point L537-2(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,452 INFO L242 CegarLoopResult]: At program point L537-3(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,452 INFO L242 CegarLoopResult]: At program point L537-4(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,452 INFO L242 CegarLoopResult]: At program point L537-5(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,453 INFO L242 CegarLoopResult]: At program point L537-6(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,453 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-12-07 17:04:58,453 INFO L242 CegarLoopResult]: At program point L537-7(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,453 INFO L246 CegarLoopResult]: For program point L339-1(lines 128 134) no Hoare annotation was computed. [2019-12-07 17:04:58,453 INFO L242 CegarLoopResult]: At program point L537-8(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,453 INFO L242 CegarLoopResult]: At program point L537-9(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,454 INFO L242 CegarLoopResult]: At program point L537-10(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,454 INFO L242 CegarLoopResult]: At program point L537-11(lines 532 540) the Hoare annotation is: false [2019-12-07 17:04:58,454 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 17:04:58,454 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,454 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,455 INFO L246 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-12-07 17:04:58,455 INFO L242 CegarLoopResult]: At program point L475-1(lines 1 952) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,455 INFO L246 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-12-07 17:04:58,455 INFO L246 CegarLoopResult]: For program point L475-2(lines 475 488) no Hoare annotation was computed. [2019-12-07 17:04:58,455 INFO L242 CegarLoopResult]: At program point L475-3(lines 1 952) the Hoare annotation is: false [2019-12-07 17:04:58,455 INFO L249 CegarLoopResult]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2019-12-07 17:04:58,456 INFO L246 CegarLoopResult]: For program point L475-4(lines 475 488) no Hoare annotation was computed. [2019-12-07 17:04:58,456 INFO L242 CegarLoopResult]: At program point L475-5(lines 1 952) the Hoare annotation is: false [2019-12-07 17:04:58,456 INFO L242 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:04:58,456 INFO L242 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,456 INFO L242 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2019-12-07 17:04:58,456 INFO L242 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2019-12-07 17:04:58,457 INFO L242 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2019-12-07 17:04:58,457 INFO L242 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2019-12-07 17:04:58,457 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,457 INFO L246 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,457 INFO L246 CegarLoopResult]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,457 INFO L246 CegarLoopResult]: For program point L577-3(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,458 INFO L242 CegarLoopResult]: At program point L445(lines 1 952) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:04:58,458 INFO L246 CegarLoopResult]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,458 INFO L246 CegarLoopResult]: For program point L577-5(lines 577 583) no Hoare annotation was computed. [2019-12-07 17:04:58,458 INFO L242 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 17:04:58,458 INFO L242 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:04:58,458 INFO L242 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-3(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-4(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-5(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-6(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-7(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,459 INFO L242 CegarLoopResult]: At program point L247-8(lines 240 250) the Hoare annotation is: false [2019-12-07 17:04:58,460 INFO L246 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2019-12-07 17:04:58,460 INFO L246 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-12-07 17:04:58,460 INFO L246 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2019-12-07 17:04:58,460 INFO L246 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2019-12-07 17:04:58,460 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 17:04:58,460 INFO L242 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:04:58,461 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:04:58,461 INFO L242 CegarLoopResult]: At program point L582(lines 573 586) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:04:58,461 INFO L242 CegarLoopResult]: At program point L582-1(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,461 INFO L242 CegarLoopResult]: At program point L582-2(lines 573 586) the Hoare annotation is: false [2019-12-07 17:04:58,461 INFO L242 CegarLoopResult]: At program point L582-3(lines 573 586) the Hoare annotation is: false [2019-12-07 17:04:58,461 INFO L242 CegarLoopResult]: At program point L582-4(lines 573 586) the Hoare annotation is: false [2019-12-07 17:04:58,462 INFO L242 CegarLoopResult]: At program point L582-5(lines 573 586) the Hoare annotation is: false [2019-12-07 17:04:58,462 INFO L246 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-12-07 17:04:58,462 INFO L246 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2019-12-07 17:04:58,462 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2019-12-07 17:04:58,462 INFO L249 CegarLoopResult]: At program point L418(lines 399 421) the Hoare annotation is: true [2019-12-07 17:04:58,462 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 17:04:58,462 INFO L242 CegarLoopResult]: At program point L453(lines 448 456) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222-4(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222-6(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222-8(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point L222-10(lines 222 228) no Hoare annotation was computed. [2019-12-07 17:04:58,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:04:58,464 INFO L242 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:04:58,464 INFO L242 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2019-12-07 17:04:58,464 INFO L246 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-12-07 17:04:58,464 INFO L242 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2019-12-07 17:04:58,464 INFO L246 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2019-12-07 17:04:58,464 INFO L246 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2019-12-07 17:04:58,464 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L242 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:04:58,465 INFO L246 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,466 INFO L246 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2019-12-07 17:04:58,466 INFO L246 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-12-07 17:04:58,466 INFO L242 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,466 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-12-07 17:04:58,466 INFO L242 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2019-12-07 17:04:58,466 INFO L242 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2019-12-07 17:04:58,466 INFO L246 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:04:58,467 INFO L246 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2019-12-07 17:04:58,468 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,468 INFO L246 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,468 INFO L246 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,468 INFO L246 CegarLoopResult]: For program point L462-2(line 462) no Hoare annotation was computed. [2019-12-07 17:04:58,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:04:58 BoogieIcfgContainer [2019-12-07 17:04:58,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:04:58,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:04:58,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:04:58,493 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:04:58,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:04:53" (3/4) ... [2019-12-07 17:04:58,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:04:58,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 17:04:58,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 17:04:58,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 17:04:58,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:04:58,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:04:58,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:04:58,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:04:58,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 17:04:58,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 17:04:58,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter [2019-12-07 17:04:58,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 17:04:58,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 17:04:58,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 17:04:58,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 17:04:58,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 17:04:58,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c77bb9c6-291c-4bd3-8c1c-590ebdef527f/bin/uautomizer/witness.graphml [2019-12-07 17:04:58,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:04:58,584 INFO L168 Benchmark]: Toolchain (without parser) took 6008.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,584 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:04:58,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,585 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,585 INFO L168 Benchmark]: RCFGBuilder took 501.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,585 INFO L168 Benchmark]: TraceAbstraction took 5011.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -82.1 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,585 INFO L168 Benchmark]: Witness Printer took 90.27 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:04:58,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 501.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5011.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -82.1 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. * Witness Printer took 90.27 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: 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: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 1210 SDtfs, 1514 SDslu, 2023 SDs, 0 SdLazy, 335 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 201 NumberOfFragments, 561 HoareAnnotationTreeSize, 55 FomulaSimplifications, 291812 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 103223 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 22612 SizeOfPredicates, 6 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 26/28 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...