./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:10:20,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:10:20,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:10:20,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:10:20,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:10:20,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:10:20,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:10:20,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:10:20,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:10:20,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:10:20,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:10:20,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:10:20,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:10:20,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:10:20,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:10:20,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:10:20,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:10:20,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:10:20,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:10:20,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:10:20,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:10:20,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:10:20,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:10:20,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:10:20,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:10:20,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:10:20,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:10:20,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:10:20,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:10:20,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:10:20,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:10:20,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:10:20,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:10:20,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:10:20,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:10:20,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:10:20,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:10:20,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:10:20,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:10:20,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:10:20,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:10:20,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:10:20,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:10:20,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:10:20,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:10:20,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:10:20,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:10:20,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:10:20,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:10:20,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:10:20,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:10:20,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:10:20,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:10:20,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:10:20,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:10:20,170 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_0034e917-015d-497d-9cff-888c72e85be4/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-12-07 15:10:20,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:10:20,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:10:20,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:10:20,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:10:20,279 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:10:20,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 15:10:20,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/data/8df98ee04/ed388f72379e4e7f89e0ae23b4992073/FLAG7a84cdb18 [2019-12-07 15:10:20,662 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:10:20,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-12-07 15:10:20,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/data/8df98ee04/ed388f72379e4e7f89e0ae23b4992073/FLAG7a84cdb18 [2019-12-07 15:10:20,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/data/8df98ee04/ed388f72379e4e7f89e0ae23b4992073 [2019-12-07 15:10:20,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:10:20,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:10:20,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:10:20,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:10:20,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:10:20,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:10:20" (1/1) ... [2019-12-07 15:10:20,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:20, skipping insertion in model container [2019-12-07 15:10:20,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:10:20" (1/1) ... [2019-12-07 15:10:20,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:10:20,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:10:20,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:10:20,933 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:10:20,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:10:21,006 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:10:21,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21 WrapperNode [2019-12-07 15:10:21,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:10:21,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:10:21,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:10:21,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:10:21,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:10:21,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:10:21,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:10:21,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:10:21,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... [2019-12-07 15:10:21,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:10:21,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:10:21,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:10:21,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:10:21,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/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 15:10:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:10:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:10:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:10:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:10:21,766 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:10:21,766 INFO L287 CfgBuilder]: Removed 352 assume(true) statements. [2019-12-07 15:10:21,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:10:21 BoogieIcfgContainer [2019-12-07 15:10:21,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:10:21,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:10:21,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:10:21,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:10:21,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:10:20" (1/3) ... [2019-12-07 15:10:21,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce6705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:10:21, skipping insertion in model container [2019-12-07 15:10:21,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:10:21" (2/3) ... [2019-12-07 15:10:21,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce6705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:10:21, skipping insertion in model container [2019-12-07 15:10:21,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:10:21" (3/3) ... [2019-12-07 15:10:21,774 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-12-07 15:10:21,783 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:10:21,787 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:10:21,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:10:21,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:10:21,812 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:10:21,812 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:10:21,812 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:10:21,812 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:10:21,812 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:10:21,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:10:21,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:10:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 15:10:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 15:10:21,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:21,832 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:10:21,832 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2019-12-07 15:10:21,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:21,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64006520] [2019-12-07 15:10:21,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:21,997 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 15:10:21,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64006520] [2019-12-07 15:10:21,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:21,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:10:21,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130317214] [2019-12-07 15:10:22,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:10:22,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:10:22,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:10:22,011 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-12-07 15:10:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,041 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-12-07 15:10:22,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:10:22,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 15:10:22,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,052 INFO L225 Difference]: With dead ends: 448 [2019-12-07 15:10:22,052 INFO L226 Difference]: Without dead ends: 223 [2019-12-07 15:10:22,055 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 15:10:22,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-12-07 15:10:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-12-07 15:10:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-12-07 15:10:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-12-07 15:10:22,091 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-12-07 15:10:22,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,091 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-12-07 15:10:22,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:10:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-12-07 15:10:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:10:22,092 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,092 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 15:10:22,092 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,093 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2019-12-07 15:10:22,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334748719] [2019-12-07 15:10:22,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,159 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 15:10:22,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334748719] [2019-12-07 15:10:22,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:10:22,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487400115] [2019-12-07 15:10:22,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:10:22,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:10:22,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:10:22,161 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2019-12-07 15:10:22,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,171 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2019-12-07 15:10:22,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:10:22,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 15:10:22,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,173 INFO L225 Difference]: With dead ends: 223 [2019-12-07 15:10:22,173 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 15:10:22,174 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 15:10:22,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 15:10:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 15:10:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 15:10:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-12-07 15:10:22,179 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2019-12-07 15:10:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,179 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-12-07 15:10:22,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:10:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-12-07 15:10:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:10:22,180 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,180 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 15:10:22,180 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,181 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2019-12-07 15:10:22,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990175136] [2019-12-07 15:10:22,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,228 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 15:10:22,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990175136] [2019-12-07 15:10:22,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:10:22,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339546111] [2019-12-07 15:10:22,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:10:22,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:10:22,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:10:22,229 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2019-12-07 15:10:22,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,243 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2019-12-07 15:10:22,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:10:22,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 15:10:22,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,244 INFO L225 Difference]: With dead ends: 243 [2019-12-07 15:10:22,244 INFO L226 Difference]: Without dead ends: 164 [2019-12-07 15:10:22,245 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 15:10:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-12-07 15:10:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2019-12-07 15:10:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-12-07 15:10:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2019-12-07 15:10:22,255 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2019-12-07 15:10:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,256 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2019-12-07 15:10:22,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:10:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2019-12-07 15:10:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 15:10:22,257 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,257 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] [2019-12-07 15:10:22,257 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,257 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2019-12-07 15:10:22,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970771964] [2019-12-07 15:10:22,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,294 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 15:10:22,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970771964] [2019-12-07 15:10:22,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:10:22,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032867047] [2019-12-07 15:10:22,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:10:22,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:10:22,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:10:22,296 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2019-12-07 15:10:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,331 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2019-12-07 15:10:22,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:10:22,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 15:10:22,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,332 INFO L225 Difference]: With dead ends: 325 [2019-12-07 15:10:22,333 INFO L226 Difference]: Without dead ends: 171 [2019-12-07 15:10:22,334 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 15:10:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-12-07 15:10:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2019-12-07 15:10:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-12-07 15:10:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2019-12-07 15:10:22,345 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2019-12-07 15:10:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,345 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2019-12-07 15:10:22,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:10:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2019-12-07 15:10:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 15:10:22,346 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,346 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] [2019-12-07 15:10:22,346 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2019-12-07 15:10:22,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832733271] [2019-12-07 15:10:22,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,402 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 15:10:22,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832733271] [2019-12-07 15:10:22,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:10:22,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572340476] [2019-12-07 15:10:22,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:22,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:22,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:22,404 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand 5 states. [2019-12-07 15:10:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,480 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2019-12-07 15:10:22,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:10:22,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 15:10:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,484 INFO L225 Difference]: With dead ends: 593 [2019-12-07 15:10:22,484 INFO L226 Difference]: Without dead ends: 430 [2019-12-07 15:10:22,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:10:22,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2019-12-07 15:10:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2019-12-07 15:10:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-12-07 15:10:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2019-12-07 15:10:22,506 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2019-12-07 15:10:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,506 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2019-12-07 15:10:22,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2019-12-07 15:10:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:10:22,507 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,507 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:10:22,508 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1772713209, now seen corresponding path program 1 times [2019-12-07 15:10:22,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287945006] [2019-12-07 15:10:22,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:10:22,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287945006] [2019-12-07 15:10:22,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:10:22,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303904969] [2019-12-07 15:10:22,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:22,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:22,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:22,556 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2019-12-07 15:10:22,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,676 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2019-12-07 15:10:22,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:10:22,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 15:10:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,679 INFO L225 Difference]: With dead ends: 592 [2019-12-07 15:10:22,680 INFO L226 Difference]: Without dead ends: 590 [2019-12-07 15:10:22,680 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 15:10:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-12-07 15:10:22,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2019-12-07 15:10:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-12-07 15:10:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2019-12-07 15:10:22,707 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2019-12-07 15:10:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,707 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2019-12-07 15:10:22,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2019-12-07 15:10:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 15:10:22,708 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,708 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 15:10:22,709 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1614567615, now seen corresponding path program 1 times [2019-12-07 15:10:22,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596248454] [2019-12-07 15:10:22,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,751 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 15:10:22,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596248454] [2019-12-07 15:10:22,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:10:22,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801335999] [2019-12-07 15:10:22,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:22,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:22,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:22,754 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 5 states. [2019-12-07 15:10:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,822 INFO L93 Difference]: Finished difference Result 702 states and 966 transitions. [2019-12-07 15:10:22,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:10:22,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-07 15:10:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,826 INFO L225 Difference]: With dead ends: 702 [2019-12-07 15:10:22,826 INFO L226 Difference]: Without dead ends: 448 [2019-12-07 15:10:22,826 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 15:10:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-12-07 15:10:22,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 284. [2019-12-07 15:10:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-12-07 15:10:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 386 transitions. [2019-12-07 15:10:22,845 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 386 transitions. Word has length 35 [2019-12-07 15:10:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:22,845 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 386 transitions. [2019-12-07 15:10:22,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 386 transitions. [2019-12-07 15:10:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 15:10:22,846 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:22,847 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 15:10:22,847 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:22,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:22,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1027761601, now seen corresponding path program 1 times [2019-12-07 15:10:22,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:22,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58708802] [2019-12-07 15:10:22,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:22,892 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 15:10:22,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58708802] [2019-12-07 15:10:22,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:22,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:10:22,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624722912] [2019-12-07 15:10:22,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:22,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:22,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:22,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:22,894 INFO L87 Difference]: Start difference. First operand 284 states and 386 transitions. Second operand 5 states. [2019-12-07 15:10:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:22,986 INFO L93 Difference]: Finished difference Result 685 states and 919 transitions. [2019-12-07 15:10:22,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:10:22,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-07 15:10:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:22,988 INFO L225 Difference]: With dead ends: 685 [2019-12-07 15:10:22,988 INFO L226 Difference]: Without dead ends: 407 [2019-12-07 15:10:22,989 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:10:22,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-12-07 15:10:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 251. [2019-12-07 15:10:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-12-07 15:10:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 334 transitions. [2019-12-07 15:10:23,000 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 334 transitions. Word has length 35 [2019-12-07 15:10:23,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:23,000 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 334 transitions. [2019-12-07 15:10:23,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2019-12-07 15:10:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 15:10:23,001 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:23,001 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:10:23,001 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:23,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:23,002 INFO L82 PathProgramCache]: Analyzing trace with hash -252102077, now seen corresponding path program 1 times [2019-12-07 15:10:23,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:23,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776399548] [2019-12-07 15:10:23,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:23,038 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 15:10:23,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776399548] [2019-12-07 15:10:23,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:23,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:10:23,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427545492] [2019-12-07 15:10:23,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:23,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:23,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:23,040 INFO L87 Difference]: Start difference. First operand 251 states and 334 transitions. Second operand 5 states. [2019-12-07 15:10:23,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:23,129 INFO L93 Difference]: Finished difference Result 720 states and 972 transitions. [2019-12-07 15:10:23,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:10:23,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-07 15:10:23,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:23,133 INFO L225 Difference]: With dead ends: 720 [2019-12-07 15:10:23,133 INFO L226 Difference]: Without dead ends: 527 [2019-12-07 15:10:23,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:10:23,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-12-07 15:10:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 344. [2019-12-07 15:10:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-07 15:10:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 451 transitions. [2019-12-07 15:10:23,155 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 451 transitions. Word has length 35 [2019-12-07 15:10:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:23,156 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 451 transitions. [2019-12-07 15:10:23,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 451 transitions. [2019-12-07 15:10:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 15:10:23,157 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:23,157 INFO L410 BasicCegarLoop]: trace histogram [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 15:10:23,157 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:23,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:23,158 INFO L82 PathProgramCache]: Analyzing trace with hash -822173497, now seen corresponding path program 1 times [2019-12-07 15:10:23,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:23,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207390094] [2019-12-07 15:10:23,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 15:10:23,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207390094] [2019-12-07 15:10:23,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:23,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:10:23,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607197086] [2019-12-07 15:10:23,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:10:23,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:23,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:10:23,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:10:23,190 INFO L87 Difference]: Start difference. First operand 344 states and 451 transitions. Second operand 3 states. [2019-12-07 15:10:23,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:23,228 INFO L93 Difference]: Finished difference Result 410 states and 538 transitions. [2019-12-07 15:10:23,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:10:23,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-07 15:10:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:23,229 INFO L225 Difference]: With dead ends: 410 [2019-12-07 15:10:23,230 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 15:10:23,230 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 15:10:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 15:10:23,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-12-07 15:10:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 15:10:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2019-12-07 15:10:23,242 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 52 [2019-12-07 15:10:23,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:23,242 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2019-12-07 15:10:23,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:10:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2019-12-07 15:10:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 15:10:23,243 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:23,243 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:10:23,243 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:23,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:23,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2019-12-07 15:10:23,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:23,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736182980] [2019-12-07 15:10:23,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:10:23,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736182980] [2019-12-07 15:10:23,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520010518] [2019-12-07 15:10:23,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/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 15:10:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:23,390 INFO L264 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:10:23,395 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:10:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:10:23,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:10:23,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-12-07 15:10:23,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389148991] [2019-12-07 15:10:23,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:10:23,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:23,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:10:23,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:10:23,417 INFO L87 Difference]: Start difference. First operand 172 states and 217 transitions. Second operand 6 states. [2019-12-07 15:10:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:23,560 INFO L93 Difference]: Finished difference Result 559 states and 719 transitions. [2019-12-07 15:10:23,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:10:23,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-12-07 15:10:23,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:23,564 INFO L225 Difference]: With dead ends: 559 [2019-12-07 15:10:23,565 INFO L226 Difference]: Without dead ends: 418 [2019-12-07 15:10:23,565 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:10:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-12-07 15:10:23,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 238. [2019-12-07 15:10:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-12-07 15:10:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 303 transitions. [2019-12-07 15:10:23,583 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 303 transitions. Word has length 60 [2019-12-07 15:10:23,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:23,584 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 303 transitions. [2019-12-07 15:10:23,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:10:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2019-12-07 15:10:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-07 15:10:23,585 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:23,585 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 15:10:23,786 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:10:23,786 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:23,786 INFO L82 PathProgramCache]: Analyzing trace with hash 444677923, now seen corresponding path program 2 times [2019-12-07 15:10:23,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:23,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911012727] [2019-12-07 15:10:23,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:10:23,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911012727] [2019-12-07 15:10:23,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:10:23,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:10:23,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679104628] [2019-12-07 15:10:23,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:23,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:23,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:23,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:10:23,910 INFO L87 Difference]: Start difference. First operand 238 states and 303 transitions. Second operand 5 states. [2019-12-07 15:10:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:24,108 INFO L93 Difference]: Finished difference Result 715 states and 920 transitions. [2019-12-07 15:10:24,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:10:24,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-12-07 15:10:24,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:24,111 INFO L225 Difference]: With dead ends: 715 [2019-12-07 15:10:24,111 INFO L226 Difference]: Without dead ends: 507 [2019-12-07 15:10:24,112 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:10:24,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-12-07 15:10:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 326. [2019-12-07 15:10:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-12-07 15:10:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 412 transitions. [2019-12-07 15:10:24,142 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 412 transitions. Word has length 85 [2019-12-07 15:10:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:24,142 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 412 transitions. [2019-12-07 15:10:24,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 412 transitions. [2019-12-07 15:10:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-07 15:10:24,144 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:10:24,144 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:10:24,144 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:10:24,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:10:24,144 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2019-12-07 15:10:24,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:10:24,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58982944] [2019-12-07 15:10:24,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:10:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:10:24,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58982944] [2019-12-07 15:10:24,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441688683] [2019-12-07 15:10:24,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:10:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:10:24,284 INFO L264 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:10:24,287 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:10:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:10:24,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:10:24,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-12-07 15:10:24,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30325957] [2019-12-07 15:10:24,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:10:24,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:10:24,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:10:24,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:10:24,312 INFO L87 Difference]: Start difference. First operand 326 states and 412 transitions. Second operand 5 states. [2019-12-07 15:10:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:10:24,356 INFO L93 Difference]: Finished difference Result 592 states and 745 transitions. [2019-12-07 15:10:24,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:10:24,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-12-07 15:10:24,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:10:24,357 INFO L225 Difference]: With dead ends: 592 [2019-12-07 15:10:24,357 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:10:24,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:10:24,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:10:24,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:10:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:10:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:10:24,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-12-07 15:10:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:10:24,359 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:10:24,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:10:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:10:24,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:10:24,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:10:24,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:10:25,256 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2019-12-07 15:10:25,371 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-12-07 15:10:25,511 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2019-12-07 15:10:25,723 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2019-12-07 15:10:25,995 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 19 [2019-12-07 15:10:26,199 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-12-07 15:10:26,501 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 18 [2019-12-07 15:10:26,708 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-12-07 15:10:26,927 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 19 [2019-12-07 15:10:27,418 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2019-12-07 15:10:27,629 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2019-12-07 15:10:27,810 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,823 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L246 CegarLoopResult]: For program point L763-3(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L246 CegarLoopResult]: For program point L763-4(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L246 CegarLoopResult]: For program point L763-5(lines 763 771) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L242 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~pumpRunning~0 0) .cse0 (= 0 ~systemActive~0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) .cse0))) [2019-12-07 15:10:27,824 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L242 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-12-07 15:10:27,824 INFO L242 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-12-07 15:10:27,824 INFO L249 CegarLoopResult]: At program point L505(lines 486 508) the Hoare annotation is: true [2019-12-07 15:10:27,824 INFO L246 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2019-12-07 15:10:27,824 INFO L242 CegarLoopResult]: At program point L969-1(lines 969 975) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-9(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-11(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-12(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-14(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-15(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-17(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-18(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-20(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,825 INFO L246 CegarLoopResult]: For program point L904-21(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-23(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-24(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-26(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-27(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-29(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-30(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-32(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-33(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L246 CegarLoopResult]: For program point L904-35(lines 904 908) no Hoare annotation was computed. [2019-12-07 15:10:27,826 INFO L242 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 (<= 1 ~waterLevel~0) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2019-12-07 15:10:27,826 INFO L242 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-12-07 15:10:27,826 INFO L242 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-12-07 15:10:27,826 INFO L242 CegarLoopResult]: At program point L910(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-1(lines 895 913) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-3(lines 895 913) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-4(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-5(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-6(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-7(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-8(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-9(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-10(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L910-11(lines 895 913) the Hoare annotation is: false [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L846(lines 839 849) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,827 INFO L242 CegarLoopResult]: At program point L846-1(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-2(lines 839 849) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-3(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-4(lines 839 849) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-5(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-6(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-7(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-8(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-9(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-10(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-11(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-12(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-13(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L242 CegarLoopResult]: At program point L846-14(lines 839 849) the Hoare annotation is: false [2019-12-07 15:10:27,828 INFO L246 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L979-1(lines 979 985) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~systemActive~0)) [2019-12-07 15:10:27,829 INFO L242 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2019-12-07 15:10:27,829 INFO L246 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L242 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2019-12-07 15:10:27,830 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-6(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-7(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-8(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-9(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-10(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L662-11(lines 662 668) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-12-07 15:10:27,831 INFO L242 CegarLoopResult]: At program point L532(lines 1 1014) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:10:27,831 INFO L246 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L995-1(lines 701 707) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929(lines 914 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929-1(lines 914 932) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L246 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,832 INFO L246 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L667(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,832 INFO L246 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L667-1(lines 658 671) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:10:27,832 INFO L246 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,832 INFO L242 CegarLoopResult]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-3(lines 658 671) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-6(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-7(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-6(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-8(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-7(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-9(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-8(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,833 INFO L246 CegarLoopResult]: For program point L733-10(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,833 INFO L242 CegarLoopResult]: At program point L667-9(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L733-11(lines 733 750) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L242 CegarLoopResult]: At program point L667-10(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,834 INFO L242 CegarLoopResult]: At program point L667-11(lines 658 671) the Hoare annotation is: false [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-6(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-7(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-8(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-9(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-10(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,834 INFO L246 CegarLoopResult]: For program point L737-11(lines 737 745) no Hoare annotation was computed. [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:10:27,835 INFO L246 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L937-1(lines 937 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,835 INFO L246 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L1007(lines 958 1008) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677(lines 672 680) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677-3(lines 672 680) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677-4(lines 672 680) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L677-5(lines 672 680) the Hoare annotation is: false [2019-12-07 15:10:27,835 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:10:27,835 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L686-2(line 686) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L422-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L622(lines 617 625) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L622-3(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L556-1(lines 1 1014) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1) (and .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse1) (and .cse2 (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-12-07 15:10:27,836 INFO L242 CegarLoopResult]: At program point L622-4(lines 617 625) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:10:27,836 INFO L246 CegarLoopResult]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-5(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L556-3(lines 1 1014) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-6(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L246 CegarLoopResult]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-7(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L556-5(lines 1 1014) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-8(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-9(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-10(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-11(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-12(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-13(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L242 CegarLoopResult]: At program point L622-14(lines 617 625) the Hoare annotation is: false [2019-12-07 15:10:27,837 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:10:27,837 INFO L246 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,837 INFO L246 CegarLoopResult]: For program point L821-2(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-4(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-6(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-8(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-10(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-12(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-14(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-16(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-18(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-20(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L821-22(lines 821 827) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,838 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,839 INFO L246 CegarLoopResult]: For program point L759-3(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,839 INFO L246 CegarLoopResult]: For program point L759-4(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,839 INFO L246 CegarLoopResult]: For program point L759-5(lines 759 776) no Hoare annotation was computed. [2019-12-07 15:10:27,839 INFO L246 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2019-12-07 15:10:27,839 INFO L249 CegarLoopResult]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2019-12-07 15:10:27,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:10:27 BoogieIcfgContainer [2019-12-07 15:10:27,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:10:27,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:10:27,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:10:27,868 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:10:27,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:10:21" (3/4) ... [2019-12-07 15:10:27,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:10:27,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:10:27,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:10:27,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:10:27,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:10:27,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:10:27,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:10:27,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:10:27,924 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((2 <= tmp && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 1 <= tmp) && 0 == splverifierCounter)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:10:27,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) [2019-12-07 15:10:27,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive [2019-12-07 15:10:27,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:10:27,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:10:27,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-12-07 15:10:27,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:10:27,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= tmp___0) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-12-07 15:10:27,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:10:28,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0034e917-015d-497d-9cff-888c72e85be4/bin/uautomizer/witness.graphml [2019-12-07 15:10:28,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:10:28,004 INFO L168 Benchmark]: Toolchain (without parser) took 7322.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 945.1 MB in the beginning and 855.8 MB in the end (delta: 89.4 MB). Peak memory consumption was 300.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,004 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:10:28,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,005 INFO L168 Benchmark]: Boogie Preprocessor took 43.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,005 INFO L168 Benchmark]: RCFGBuilder took 663.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 986.8 MB in the end (delta: 93.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,005 INFO L168 Benchmark]: TraceAbstraction took 6099.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.8 MB). Free memory was 986.8 MB in the beginning and 882.0 MB in the end (delta: 104.9 MB). Peak memory consumption was 211.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,005 INFO L168 Benchmark]: Witness Printer took 134.70 ms. Allocated memory is still 1.2 GB. Free memory was 882.0 MB in the beginning and 855.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:10:28,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 663.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 986.8 MB in the end (delta: 93.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6099.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.8 MB). Free memory was 986.8 MB in the beginning and 882.0 MB in the end (delta: 104.9 MB). Peak memory consumption was 211.4 MB. Max. memory is 11.5 GB. * Witness Printer took 134.70 ms. Allocated memory is still 1.2 GB. Free memory was 882.0 MB in the beginning and 855.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: 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: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= tmp___0) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((2 <= tmp && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 1 <= tmp) && 0 == splverifierCounter)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 1984 SDtfs, 2612 SDslu, 2985 SDs, 0 SdLazy, 404 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1370 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 224 NumberOfFragments, 617 HoareAnnotationTreeSize, 92 FomulaSimplifications, 288907 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 92 FomulaSimplificationsInter, 52864 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 648 ConstructedInterpolants, 0 QuantifiedInterpolants, 60932 SizeOfPredicates, 8 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 184/200 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...