./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:35,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:35,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:35,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:35,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:35,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:35,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:35,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:35,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:35,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:35,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:35,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:35,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:35,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:35,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:35,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:35,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:35,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:35,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:35,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:35,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:35,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:35,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:35,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:35,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:35,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:35,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:35,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:35,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:35,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:35,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:35,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:35,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:35,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:35,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:35,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:35,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:35,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:35,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:35,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:35,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:35,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:35,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:35,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:35,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:35,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:35,642 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:35,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:35,642 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:35,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:35,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:35,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:35,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:35,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:35,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:35,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:35,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:35,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:35,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:35,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:35,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:35,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:35,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:35,645 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/working_dir_01c7b9e7-402b-4091-871a-71475091150f/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2019-10-22 08:55:35,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:35,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:35,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:35,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:35,684 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:35,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-10-22 08:55:35,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/data/db15bb6b6/e3b98a1112094524bc30d2b922197f1e/FLAG1b5df4838 [2019-10-22 08:55:36,155 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:36,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-10-22 08:55:36,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/data/db15bb6b6/e3b98a1112094524bc30d2b922197f1e/FLAG1b5df4838 [2019-10-22 08:55:36,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/data/db15bb6b6/e3b98a1112094524bc30d2b922197f1e [2019-10-22 08:55:36,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:36,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:36,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:36,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:36,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:36,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36, skipping insertion in model container [2019-10-22 08:55:36,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:36,274 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:36,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:36,672 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:36,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:36,770 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:36,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36 WrapperNode [2019-10-22 08:55:36,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:36,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:36,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:36,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:36,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:36,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:36,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:36,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:36,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... [2019-10-22 08:55:36,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:36,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:36,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:36,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:36,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/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 [2019-10-22 08:55:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:37,784 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:37,785 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-10-22 08:55:37,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:37 BoogieIcfgContainer [2019-10-22 08:55:37,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:37,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:37,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:37,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:37,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:36" (1/3) ... [2019-10-22 08:55:37,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbaa4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:37, skipping insertion in model container [2019-10-22 08:55:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:36" (2/3) ... [2019-10-22 08:55:37,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbaa4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:37, skipping insertion in model container [2019-10-22 08:55:37,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:37" (3/3) ... [2019-10-22 08:55:37,798 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-10-22 08:55:37,806 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:37,813 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:55:37,829 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:55:37,867 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:37,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:37,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:37,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:37,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:37,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:37,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:37,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-10-22 08:55:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:55:37,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:37,901 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:37,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:37,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2019-10-22 08:55:37,917 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:37,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142686449] [2019-10-22 08:55:37,918 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,918 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142686449] [2019-10-22 08:55:38,171 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:38,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912396522] [2019-10-22 08:55:38,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:55:38,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:55:38,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:38,191 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-10-22 08:55:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,228 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-10-22 08:55:38,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:55:38,229 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:55:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,239 INFO L225 Difference]: With dead ends: 276 [2019-10-22 08:55:38,240 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 08:55:38,242 INFO L600 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 [2019-10-22 08:55:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 08:55:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-22 08:55:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-22 08:55:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-10-22 08:55:38,287 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-10-22 08:55:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,288 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-10-22 08:55:38,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:55:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-10-22 08:55:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:38,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,289 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:38,290 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2019-10-22 08:55:38,290 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264383136] [2019-10-22 08:55:38,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264383136] [2019-10-22 08:55:38,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:38,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786043877] [2019-10-22 08:55:38,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:38,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:38,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:38,402 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-10-22 08:55:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,425 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-10-22 08:55:38,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:38,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:55:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,431 INFO L225 Difference]: With dead ends: 137 [2019-10-22 08:55:38,431 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 08:55:38,432 INFO L600 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 [2019-10-22 08:55:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 08:55:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 08:55:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 08:55:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-10-22 08:55:38,439 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-10-22 08:55:38,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,440 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-10-22 08:55:38,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-10-22 08:55:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:55:38,440 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,441 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:38,441 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:38,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,441 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2019-10-22 08:55:38,441 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121862544] [2019-10-22 08:55:38,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121862544] [2019-10-22 08:55:38,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:38,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594843966] [2019-10-22 08:55:38,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:38,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:38,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:38,570 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-10-22 08:55:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,657 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-10-22 08:55:38,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:38,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:55:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,658 INFO L225 Difference]: With dead ends: 104 [2019-10-22 08:55:38,658 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 08:55:38,659 INFO L600 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 [2019-10-22 08:55:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 08:55:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 08:55:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 08:55:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-10-22 08:55:38,666 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-10-22 08:55:38,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,667 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-10-22 08:55:38,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-10-22 08:55:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:55:38,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,672 INFO L380 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] [2019-10-22 08:55:38,672 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2019-10-22 08:55:38,673 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344893010] [2019-10-22 08:55:38,673 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,673 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344893010] [2019-10-22 08:55:38,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:38,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903992070] [2019-10-22 08:55:38,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:38,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:38,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:38,762 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-10-22 08:55:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,807 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-10-22 08:55:38,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:38,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:55:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,809 INFO L225 Difference]: With dead ends: 127 [2019-10-22 08:55:38,809 INFO L226 Difference]: Without dead ends: 78 [2019-10-22 08:55:38,809 INFO L600 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 [2019-10-22 08:55:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-22 08:55:38,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-10-22 08:55:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 08:55:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-10-22 08:55:38,824 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-10-22 08:55:38,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,828 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-10-22 08:55:38,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-10-22 08:55:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:55:38,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,829 INFO L380 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] [2019-10-22 08:55:38,830 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:38,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2019-10-22 08:55:38,830 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199426285] [2019-10-22 08:55:38,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199426285] [2019-10-22 08:55:38,926 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,926 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:38,926 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121561239] [2019-10-22 08:55:38,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:38,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:38,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:38,930 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-10-22 08:55:39,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,049 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-10-22 08:55:39,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:39,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:55:39,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,052 INFO L225 Difference]: With dead ends: 381 [2019-10-22 08:55:39,052 INFO L226 Difference]: Without dead ends: 311 [2019-10-22 08:55:39,053 INFO L600 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 [2019-10-22 08:55:39,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-10-22 08:55:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-10-22 08:55:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-22 08:55:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-10-22 08:55:39,069 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-10-22 08:55:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,070 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-10-22 08:55:39,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-10-22 08:55:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:55:39,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,071 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,072 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:39,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2019-10-22 08:55:39,072 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235631935] [2019-10-22 08:55:39,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235631935] [2019-10-22 08:55:39,157 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,157 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:39,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404503100] [2019-10-22 08:55:39,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:39,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:39,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:39,159 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-10-22 08:55:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,333 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-10-22 08:55:39,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:39,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:55:39,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,336 INFO L225 Difference]: With dead ends: 561 [2019-10-22 08:55:39,337 INFO L226 Difference]: Without dead ends: 491 [2019-10-22 08:55:39,337 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:55:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-10-22 08:55:39,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-10-22 08:55:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 08:55:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-10-22 08:55:39,377 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-10-22 08:55:39,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,379 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-10-22 08:55:39,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-10-22 08:55:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:55:39,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,381 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,381 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:39,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,382 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2019-10-22 08:55:39,382 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502416403] [2019-10-22 08:55:39,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502416403] [2019-10-22 08:55:39,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:39,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383688509] [2019-10-22 08:55:39,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:39,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:39,440 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-10-22 08:55:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,500 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-10-22 08:55:39,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:39,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 08:55:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,502 INFO L225 Difference]: With dead ends: 569 [2019-10-22 08:55:39,503 INFO L226 Difference]: Without dead ends: 435 [2019-10-22 08:55:39,504 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-10-22 08:55:39,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-10-22 08:55:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 08:55:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-10-22 08:55:39,522 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-10-22 08:55:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,522 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-10-22 08:55:39,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-10-22 08:55:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:55:39,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,527 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,527 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:39,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,528 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2019-10-22 08:55:39,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547332405] [2019-10-22 08:55:39,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547332405] [2019-10-22 08:55:39,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:55:39,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905992139] [2019-10-22 08:55:39,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:39,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:39,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:39,621 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-10-22 08:55:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,778 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-10-22 08:55:39,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:39,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 08:55:39,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,781 INFO L225 Difference]: With dead ends: 710 [2019-10-22 08:55:39,782 INFO L226 Difference]: Without dead ends: 531 [2019-10-22 08:55:39,783 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:55:39,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-10-22 08:55:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-10-22 08:55:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-22 08:55:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-10-22 08:55:39,806 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-10-22 08:55:39,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,806 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-10-22 08:55:39,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-10-22 08:55:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:55:39,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,807 INFO L380 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, 1] [2019-10-22 08:55:39,808 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2019-10-22 08:55:39,808 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445728006] [2019-10-22 08:55:39,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445728006] [2019-10-22 08:55:39,889 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:39,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247482409] [2019-10-22 08:55:39,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:55:39,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:39,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:39,890 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-10-22 08:55:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:40,164 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-10-22 08:55:40,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 08:55:40,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-10-22 08:55:40,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:40,169 INFO L225 Difference]: With dead ends: 1521 [2019-10-22 08:55:40,169 INFO L226 Difference]: Without dead ends: 1333 [2019-10-22 08:55:40,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:55:40,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-10-22 08:55:40,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-10-22 08:55:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-10-22 08:55:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-10-22 08:55:40,218 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-10-22 08:55:40,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:40,218 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-10-22 08:55:40,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:55:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-10-22 08:55:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:55:40,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:40,223 INFO L380 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, 1] [2019-10-22 08:55:40,224 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2019-10-22 08:55:40,224 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:40,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606506672] [2019-10-22 08:55:40,224 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,224 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:40,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606506672] [2019-10-22 08:55:40,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:40,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:40,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90264411] [2019-10-22 08:55:40,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:40,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:40,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:40,280 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-10-22 08:55:40,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:40,456 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-10-22 08:55:40,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:40,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 08:55:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:40,459 INFO L225 Difference]: With dead ends: 1004 [2019-10-22 08:55:40,459 INFO L226 Difference]: Without dead ends: 630 [2019-10-22 08:55:40,460 INFO L600 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 [2019-10-22 08:55:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-10-22 08:55:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-10-22 08:55:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-22 08:55:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-10-22 08:55:40,498 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-10-22 08:55:40,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:40,498 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-10-22 08:55:40,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-10-22 08:55:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:55:40,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:40,500 INFO L380 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, 1, 1] [2019-10-22 08:55:40,500 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:40,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2019-10-22 08:55:40,501 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:40,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805377522] [2019-10-22 08:55:40,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,501 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:40,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805377522] [2019-10-22 08:55:40,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:40,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:55:40,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050255579] [2019-10-22 08:55:40,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:40,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:40,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:40,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:40,553 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-10-22 08:55:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:40,769 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-10-22 08:55:40,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:55:40,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-10-22 08:55:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:40,772 INFO L225 Difference]: With dead ends: 1049 [2019-10-22 08:55:40,772 INFO L226 Difference]: Without dead ends: 717 [2019-10-22 08:55:40,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:55:40,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-10-22 08:55:40,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-10-22 08:55:40,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-22 08:55:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-10-22 08:55:40,805 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-10-22 08:55:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:40,805 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-10-22 08:55:40,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-10-22 08:55:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 08:55:40,806 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:40,806 INFO L380 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] [2019-10-22 08:55:40,807 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:40,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:40,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2019-10-22 08:55:40,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:40,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967313374] [2019-10-22 08:55:40,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:40,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:40,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967313374] [2019-10-22 08:55:40,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:40,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:40,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980331207] [2019-10-22 08:55:40,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:40,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:40,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:40,855 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-10-22 08:55:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:40,961 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-10-22 08:55:40,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:40,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-22 08:55:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:40,964 INFO L225 Difference]: With dead ends: 838 [2019-10-22 08:55:40,964 INFO L226 Difference]: Without dead ends: 522 [2019-10-22 08:55:40,964 INFO L600 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 [2019-10-22 08:55:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-10-22 08:55:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-10-22 08:55:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-22 08:55:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-10-22 08:55:40,997 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-10-22 08:55:40,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:40,998 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-10-22 08:55:40,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-10-22 08:55:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:55:40,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:40,999 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:40,999 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:40,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,000 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2019-10-22 08:55:41,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:41,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368922104] [2019-10-22 08:55:41,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 08:55:41,044 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368922104] [2019-10-22 08:55:41,044 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:41,044 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:41,044 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123643401] [2019-10-22 08:55:41,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:41,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:41,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:41,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:41,045 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-10-22 08:55:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:41,132 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-10-22 08:55:41,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:55:41,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 08:55:41,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:41,134 INFO L225 Difference]: With dead ends: 714 [2019-10-22 08:55:41,134 INFO L226 Difference]: Without dead ends: 490 [2019-10-22 08:55:41,135 INFO L600 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 [2019-10-22 08:55:41,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-22 08:55:41,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-10-22 08:55:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-22 08:55:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-10-22 08:55:41,180 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-10-22 08:55:41,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:41,180 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-10-22 08:55:41,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-10-22 08:55:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:55:41,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:41,182 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:41,182 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,182 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2019-10-22 08:55:41,182 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:41,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552129190] [2019-10-22 08:55:41,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:41,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:55:41,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552129190] [2019-10-22 08:55:41,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620967773] [2019-10-22 08:55:41,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/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 [2019-10-22 08:55:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:41,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:55:41,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:55:41,428 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:55:41,428 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-10-22 08:55:41,428 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904259317] [2019-10-22 08:55:41,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:55:41,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:41,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:55:41,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:41,430 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-10-22 08:55:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:41,644 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-10-22 08:55:41,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:41,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-22 08:55:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:41,645 INFO L225 Difference]: With dead ends: 1182 [2019-10-22 08:55:41,645 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:41,647 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:55:41,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:41,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 08:55:41,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:41,648 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:41,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:55:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:41,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:41,849 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:41,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:55:42,242 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 180 [2019-10-22 08:55:43,410 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 371 DAG size of output: 313 [2019-10-22 08:55:43,605 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-10-22 08:55:44,394 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2019-10-22 08:55:44,525 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2019-10-22 08:55:45,182 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-10-22 08:55:45,446 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-10-22 08:55:45,607 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 142 [2019-10-22 08:55:46,071 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-10-22 08:55:46,194 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2019-10-22 08:55:46,358 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-10-22 08:55:46,566 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2019-10-22 08:55:47,387 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2019-10-22 08:55:49,643 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2019-10-22 08:55:50,055 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 21 [2019-10-22 08:55:51,409 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 270 DAG size of output: 26 [2019-10-22 08:55:51,783 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2019-10-22 08:55:53,330 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-10-22 08:55:54,291 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2019-10-22 08:55:54,756 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 26 [2019-10-22 08:55:56,234 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-10-22 08:55:56,633 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2019-10-22 08:55:57,286 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 39 [2019-10-22 08:55:57,641 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2019-10-22 08:55:58,237 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2019-10-22 08:55:58,367 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2019-10-22 08:55:58,380 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-22 08:55:58,380 INFO L439 ceAbstractionStarter]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-10-22 08:55:58,380 INFO L439 ceAbstractionStarter]: At program point L895(lines 888 898) the Hoare annotation is: false [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L895-1(lines 888 898) the Hoare annotation is: (let ((.cse9 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse13 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse14 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse16 (not (= 0 ~systemActive~0))) (.cse17 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (and (and .cse13 .cse14 (<= ~waterLevel~0 1) .cse15 .cse16 .cse17) .cse7)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse5 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse11 (not .cse4)) (.cse6 (and .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse12 (not .cse9))) (or (and .cse0 (and (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9)) (and (and .cse3 .cse4 .cse10) .cse9) (and .cse11 .cse10 .cse12) (and .cse0 (and .cse1 .cse2 .cse5 .cse11 .cse6 .cse7 .cse8 .cse12))))) [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L895-2(lines 888 898) the Hoare annotation is: false [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L895-3(lines 888 898) the Hoare annotation is: false [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L895-4(lines 888 898) the Hoare annotation is: false [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L895-5(lines 888 898) the Hoare annotation is: false [2019-10-22 08:55:58,381 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:55:58,381 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 570) no Hoare annotation was computed. [2019-10-22 08:55:58,381 INFO L443 ceAbstractionStarter]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2019-10-22 08:55:58,382 INFO L443 ceAbstractionStarter]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2019-10-22 08:55:58,382 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 08:55:58,382 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,382 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-22 08:55:58,382 INFO L443 ceAbstractionStarter]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-10-22 08:55:58,382 INFO L443 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 .cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4) .cse5 .cse6) (<= ~waterLevel~0 2)) (and .cse1 .cse2 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse5 .cse6 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L603(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L603-1(lines 598 606) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (not (= 0 ~systemActive~0))) (.cse16 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse0 (and (and .cse12 .cse13 (<= ~waterLevel~0 1) .cse14 .cse15 .cse16) .cse10)) (.cse3 (not .cse1)) (.cse4 (not .cse2)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (and .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse11 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse5 (and .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse4)) (and .cse5 (and .cse6 .cse7 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11))))) [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 598 606) the Hoare annotation is: (let ((.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse10 .cse9 .cse11 .cse12)) (.cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse3 (= ~pumpRunning~0 1)) (.cse8 (and .cse10 (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse0 (not .cse6)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (not .cse7))) (or (and (and .cse0 (and (and .cse1 .cse2) .cse3) .cse4) .cse5) (and .cse5 (and (and .cse6 .cse1 .cse7 .cse2) .cse3)) (and (<= ~waterLevel~0 1) (and .cse6 .cse7 (and .cse8 .cse9))) (and .cse8 .cse0 .cse9 .cse5 .cse4)))) [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L603-3(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,383 INFO L439 ceAbstractionStarter]: At program point L603-4(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,384 INFO L439 ceAbstractionStarter]: At program point L603-5(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,384 INFO L439 ceAbstractionStarter]: At program point L603-6(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,384 INFO L439 ceAbstractionStarter]: At program point L603-7(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,384 INFO L439 ceAbstractionStarter]: At program point L603-8(lines 598 606) the Hoare annotation is: false [2019-10-22 08:55:58,384 INFO L439 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-10-22 08:55:58,384 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L870-6(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L870-8(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L870-10(lines 870 876) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L439 ceAbstractionStarter]: At program point L904(lines 899 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:58,385 INFO L439 ceAbstractionStarter]: At program point L904-1(lines 899 907) the Hoare annotation is: false [2019-10-22 08:55:58,385 INFO L439 ceAbstractionStarter]: At program point L904-2(lines 899 907) the Hoare annotation is: false [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-10-22 08:55:58,385 INFO L443 ceAbstractionStarter]: For program point L673-2(lines 673 693) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L673-4(lines 673 693) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2019-10-22 08:55:58,386 INFO L443 ceAbstractionStarter]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,387 INFO L443 ceAbstractionStarter]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-10-22 08:55:58,387 INFO L439 ceAbstractionStarter]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3)) (= ~pumpRunning~0 1)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (<= ~waterLevel~0 2)))) [2019-10-22 08:55:58,387 INFO L443 ceAbstractionStarter]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-10-22 08:55:58,387 INFO L439 ceAbstractionStarter]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-10-22 08:55:58,387 INFO L439 ceAbstractionStarter]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-10-22 08:55:58,387 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,387 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,387 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,388 INFO L443 ceAbstractionStarter]: For program point L643-3(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L643-5(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-10-22 08:55:58,389 INFO L443 ceAbstractionStarter]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,390 INFO L439 ceAbstractionStarter]: At program point L679-1(lines 1 989) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse14 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse10 (and .cse1 .cse5 .cse3 .cse4)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse13 (= ~pumpRunning~0 1)) (.cse6 (not .cse0)) (.cse8 (not .cse14)) (.cse9 (not .cse11)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (and (and .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) .cse5)) (and (and .cse1 .cse2 .cse3 .cse4) .cse6 .cse5 .cse7 .cse8 .cse9) (and .cse7 (and (and (and .cse0 .cse10 .cse11 .cse12) .cse13) .cse14)) (and (and (and (and .cse10 .cse12) .cse13) .cse6 .cse8 .cse9) .cse7) (and (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 (and .cse0 (and (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) .cse5)))))) [2019-10-22 08:55:58,390 INFO L443 ceAbstractionStarter]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-10-22 08:55:58,390 INFO L443 ceAbstractionStarter]: For program point L679-2(lines 679 692) no Hoare annotation was computed. [2019-10-22 08:55:58,390 INFO L439 ceAbstractionStarter]: At program point L679-3(lines 1 989) the Hoare annotation is: false [2019-10-22 08:55:58,390 INFO L443 ceAbstractionStarter]: For program point L679-4(lines 679 692) no Hoare annotation was computed. [2019-10-22 08:55:58,390 INFO L439 ceAbstractionStarter]: At program point L679-5(lines 1 989) the Hoare annotation is: false [2019-10-22 08:55:58,390 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 08:55:58,390 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:55:58,390 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L978(lines 963 981) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L978-1(lines 963 981) the Hoare annotation is: false [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2019-10-22 08:55:58,391 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L648(lines 639 652) the Hoare annotation is: false [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L648-1(lines 639 652) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= ~waterLevel~0 2) (and (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0) .cse1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse1)))) [2019-10-22 08:55:58,391 INFO L439 ceAbstractionStarter]: At program point L648-2(lines 639 652) the Hoare annotation is: false [2019-10-22 08:55:58,391 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L648-3(lines 639 652) the Hoare annotation is: false [2019-10-22 08:55:58,392 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L648-4(lines 639 652) the Hoare annotation is: false [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L648-5(lines 639 652) the Hoare annotation is: false [2019-10-22 08:55:58,392 INFO L443 ceAbstractionStarter]: For program point L549-2(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 .cse3 .cse4)) (= ~pumpRunning~0 1)) .cse5) (and .cse5 (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ~methaneLevelCritical~0)))))) [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-10-22 08:55:58,392 INFO L439 ceAbstractionStarter]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-10-22 08:55:58,392 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-10-22 08:55:58,392 INFO L443 ceAbstractionStarter]: For program point L683-2(lines 683 689) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L683-4(lines 683 689) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 775 781) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L439 ceAbstractionStarter]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse13 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (and .cse10 .cse11 .cse12 .cse13)) (.cse4 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (and .cse10 .cse11 (= ~pumpRunning~0 0) .cse12 .cse13)) (.cse8 (not .cse0)) (.cse9 (not .cse1))) (or (and (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) .cse6) (and .cse2 .cse6 .cse7) (and (and (not .cse2) (and .cse3 .cse4 .cse5) .cse8 .cse9) .cse6) (and .cse6 .cse7 .cse8 .cse9)))) [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,393 INFO L443 ceAbstractionStarter]: For program point L953-3(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-5(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-6(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-8(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-9(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-11(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-12(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-14(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-15(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point L953-17(lines 953 957) no Hoare annotation was computed. [2019-10-22 08:55:58,394 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-10-22 08:55:58,395 INFO L439 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-10-22 08:55:58,395 INFO L439 ceAbstractionStarter]: At program point L658(lines 653 661) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:58,395 INFO L439 ceAbstractionStarter]: At program point L658-1(lines 653 661) the Hoare annotation is: false [2019-10-22 08:55:58,395 INFO L439 ceAbstractionStarter]: At program point L658-2(lines 653 661) the Hoare annotation is: false [2019-10-22 08:55:58,395 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 08:55:58,395 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 08:55:58,395 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:55:58,395 INFO L439 ceAbstractionStarter]: At program point L166(lines 1 989) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959(lines 944 962) the Hoare annotation is: false [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959-1(lines 944 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= ~waterLevel~0 2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959-2(lines 944 962) the Hoare annotation is: false [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959-3(lines 944 962) the Hoare annotation is: false [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959-4(lines 944 962) the Hoare annotation is: false [2019-10-22 08:55:58,397 INFO L439 ceAbstractionStarter]: At program point L959-5(lines 944 962) the Hoare annotation is: false [2019-10-22 08:55:58,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:58 BoogieIcfgContainer [2019-10-22 08:55:58,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:58,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:58,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:58,424 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:58,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:37" (3/4) ... [2019-10-22 08:55:58,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:58,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:55:58,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:55:58,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:55:58,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:55:58,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:58,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:55:58,475 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 08:55:58,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 08:55:58,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-10-22 08:55:58,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) [2019-10-22 08:55:58,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 08:55:58,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 08:55:58,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 08:55:58,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) [2019-10-22 08:55:58,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) [2019-10-22 08:55:58,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 08:55:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-10-22 08:55:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 08:55:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 08:55:58,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 08:55:58,481 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 08:55:58,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) [2019-10-22 08:55:58,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) [2019-10-22 08:55:58,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01c7b9e7-402b-4091-871a-71475091150f/bin/uautomizer/witness.graphml [2019-10-22 08:55:58,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:58,586 INFO L168 Benchmark]: Toolchain (without parser) took 22400.35 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 820.0 MB). Free memory was 938.0 MB in the beginning and 1.8 GB in the end (delta: -860.5 MB). Peak memory consumption was 843.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,586 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:58,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:58,587 INFO L168 Benchmark]: Boogie Preprocessor took 72.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,587 INFO L168 Benchmark]: RCFGBuilder took 885.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,587 INFO L168 Benchmark]: TraceAbstraction took 20635.00 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 558.9 MB). Free memory was 1.0 GB in the beginning and 808.3 MB in the end (delta: 235.0 MB). Peak memory consumption was 795.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,588 INFO L168 Benchmark]: Witness Printer took 161.34 ms. Allocated memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: 106.4 MB). Free memory was 808.3 MB in the beginning and 1.8 GB in the end (delta: -990.2 MB). Peak memory consumption was 138.9 kB. Max. memory is 11.5 GB. [2019-10-22 08:55:58,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 583.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 885.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20635.00 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 558.9 MB). Free memory was 1.0 GB in the beginning and 808.3 MB in the end (delta: 235.0 MB). Peak memory consumption was 795.7 MB. Max. memory is 11.5 GB. * Witness Printer took 161.34 ms. Allocated memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: 106.4 MB). Free memory was 808.3 MB in the beginning and 1.8 GB in the end (delta: -990.2 MB). Peak memory consumption was 138.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: 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: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 20.5s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.5s, HoareTripleCheckerStatistics: 1744 SDtfs, 3247 SDslu, 3126 SDs, 0 SdLazy, 458 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred 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: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 446 NumberOfFragments, 1323 HoareAnnotationTreeSize, 58 FomulaSimplifications, 46310309 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9914688 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 45672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 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...