./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4db9bf450928b08b5e696709772fc7741fcab5a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4db9bf450928b08b5e696709772fc7741fcab5a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:22:27,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:27,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:27,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:27,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:27,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:27,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:27,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:27,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:27,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:27,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:27,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:27,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:27,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:27,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:27,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:27,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:27,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:27,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:27,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:27,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:27,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:27,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:27,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:27,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:27,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:27,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:27,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:27,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:27,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:27,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:27,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:27,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:27,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:27,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:27,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:27,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:27,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:27,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:27,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:27,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:27,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:27,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:27,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:27,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:27,112 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:27,112 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:27,112 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:27,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:27,112 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:27,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:27,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:27,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:27,113 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:27,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:27,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:27,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:27,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:27,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:27,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:27,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:27,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:27,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:27,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:27,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:27,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:27,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:27,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:27,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:27,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:27,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:27,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:27,118 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:27,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:27,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:27,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:27,119 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan 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 -> Taipan 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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2019-10-22 11:22:27,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:27,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:27,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:27,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:27,160 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:27,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-10-22 11:22:27,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/2aa1d631c/bb3d591adc6848029a169fdb05424c06/FLAG7e8e1e36f [2019-10-22 11:22:27,666 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:27,666 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-10-22 11:22:27,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/2aa1d631c/bb3d591adc6848029a169fdb05424c06/FLAG7e8e1e36f [2019-10-22 11:22:28,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/2aa1d631c/bb3d591adc6848029a169fdb05424c06 [2019-10-22 11:22:28,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:28,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:28,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:28,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:28,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:28,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2a069a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28, skipping insertion in model container [2019-10-22 11:22:28,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:28,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:28,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:28,684 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:28,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:28,809 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:28,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28 WrapperNode [2019-10-22 11:22:28,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:28,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:28,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:28,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:28,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:28,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:28,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:28,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:28,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/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 11:22:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:30,229 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:30,229 INFO L284 CfgBuilder]: Removed 354 assume(true) statements. [2019-10-22 11:22:30,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:30 BoogieIcfgContainer [2019-10-22 11:22:30,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:30,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:30,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:30,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:30,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:28" (1/3) ... [2019-10-22 11:22:30,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335f828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:30, skipping insertion in model container [2019-10-22 11:22:30,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (2/3) ... [2019-10-22 11:22:30,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335f828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:30, skipping insertion in model container [2019-10-22 11:22:30,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:30" (3/3) ... [2019-10-22 11:22:30,246 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2019-10-22 11:22:30,260 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:30,267 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:30,288 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:30,320 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:30,320 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:30,320 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:30,320 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:30,320 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:30,320 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:30,321 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:30,321 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:22:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:30,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,350 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,352 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:30,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1807762564, now seen corresponding path program 1 times [2019-10-22 11:22:30,363 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800708617] [2019-10-22 11:22:30,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,605 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 11:22:30,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800708617] [2019-10-22 11:22:30,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:30,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564434018] [2019-10-22 11:22:30,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:30,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:30,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:30,631 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-10-22 11:22:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,684 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-10-22 11:22:30,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:30,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,698 INFO L225 Difference]: With dead ends: 448 [2019-10-22 11:22:30,698 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:22:30,701 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 11:22:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:22:30,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-10-22 11:22:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-22 11:22:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-10-22 11:22:30,758 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-10-22 11:22:30,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,758 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-10-22 11:22:30,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-10-22 11:22:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:30,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,760 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,760 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1440447835, now seen corresponding path program 1 times [2019-10-22 11:22:30,761 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170998448] [2019-10-22 11:22:30,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,886 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 11:22:30,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170998448] [2019-10-22 11:22:30,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:30,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074539450] [2019-10-22 11:22:30,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:30,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:30,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:30,889 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2019-10-22 11:22:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,921 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2019-10-22 11:22:30,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:30,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:30,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,923 INFO L225 Difference]: With dead ends: 223 [2019-10-22 11:22:30,923 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 11:22:30,925 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 11:22:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 11:22:30,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-22 11:22:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 11:22:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-10-22 11:22:30,933 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2019-10-22 11:22:30,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,933 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-10-22 11:22:30,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-10-22 11:22:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:30,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,934 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] [2019-10-22 11:22:30,934 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1020108702, now seen corresponding path program 1 times [2019-10-22 11:22:30,935 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931379691] [2019-10-22 11:22:30,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931379691] [2019-10-22 11:22:31,098 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:31,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143217972] [2019-10-22 11:22:31,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:31,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:31,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:31,100 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 5 states. [2019-10-22 11:22:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,225 INFO L93 Difference]: Finished difference Result 187 states and 276 transitions. [2019-10-22 11:22:31,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:31,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:22:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,229 INFO L225 Difference]: With dead ends: 187 [2019-10-22 11:22:31,229 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 11:22:31,230 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 11:22:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 11:22:31,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2019-10-22 11:22:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-22 11:22:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2019-10-22 11:22:31,247 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2019-10-22 11:22:31,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,251 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2019-10-22 11:22:31,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2019-10-22 11:22:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:31,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,253 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] [2019-10-22 11:22:31,254 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1236801791, now seen corresponding path program 1 times [2019-10-22 11:22:31,254 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628164763] [2019-10-22 11:22:31,256 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,256 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,348 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 11:22:31,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628164763] [2019-10-22 11:22:31,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:31,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520852406] [2019-10-22 11:22:31,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:31,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:31,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,351 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2019-10-22 11:22:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,418 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2019-10-22 11:22:31,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:31,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:22:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,419 INFO L225 Difference]: With dead ends: 208 [2019-10-22 11:22:31,420 INFO L226 Difference]: Without dead ends: 110 [2019-10-22 11:22:31,420 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 11:22:31,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-22 11:22:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2019-10-22 11:22:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 11:22:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-10-22 11:22:31,442 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2019-10-22 11:22:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,442 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-10-22 11:22:31,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2019-10-22 11:22:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:31,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,443 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] [2019-10-22 11:22:31,444 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1574884233, now seen corresponding path program 1 times [2019-10-22 11:22:31,444 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405102124] [2019-10-22 11:22:31,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,526 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 11:22:31,527 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405102124] [2019-10-22 11:22:31,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:31,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128148450] [2019-10-22 11:22:31,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:31,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:31,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:31,528 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 5 states. [2019-10-22 11:22:31,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,648 INFO L93 Difference]: Finished difference Result 378 states and 542 transitions. [2019-10-22 11:22:31,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:31,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:22:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,650 INFO L225 Difference]: With dead ends: 378 [2019-10-22 11:22:31,650 INFO L226 Difference]: Without dead ends: 276 [2019-10-22 11:22:31,651 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 11:22:31,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-10-22 11:22:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 171. [2019-10-22 11:22:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-22 11:22:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 237 transitions. [2019-10-22 11:22:31,680 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 237 transitions. Word has length 25 [2019-10-22 11:22:31,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,680 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 237 transitions. [2019-10-22 11:22:31,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 237 transitions. [2019-10-22 11:22:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:22:31,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,681 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 11:22:31,681 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,682 INFO L82 PathProgramCache]: Analyzing trace with hash 760774073, now seen corresponding path program 1 times [2019-10-22 11:22:31,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031994006] [2019-10-22 11:22:31,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,766 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 11:22:31,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031994006] [2019-10-22 11:22:31,766 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,766 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:31,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848285215] [2019-10-22 11:22:31,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:31,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:31,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:31,768 INFO L87 Difference]: Start difference. First operand 171 states and 237 transitions. Second operand 5 states. [2019-10-22 11:22:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,945 INFO L93 Difference]: Finished difference Result 374 states and 527 transitions. [2019-10-22 11:22:31,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:31,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:22:31,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,949 INFO L225 Difference]: With dead ends: 374 [2019-10-22 11:22:31,949 INFO L226 Difference]: Without dead ends: 372 [2019-10-22 11:22:31,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-10-22 11:22:31,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 171. [2019-10-22 11:22:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-22 11:22:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 235 transitions. [2019-10-22 11:22:31,967 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 235 transitions. Word has length 26 [2019-10-22 11:22:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,968 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 235 transitions. [2019-10-22 11:22:31,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 235 transitions. [2019-10-22 11:22:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:22:31,969 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,969 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] [2019-10-22 11:22:31,969 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash -96374273, now seen corresponding path program 1 times [2019-10-22 11:22:31,970 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684483986] [2019-10-22 11:22:31,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,011 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 11:22:32,012 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684483986] [2019-10-22 11:22:32,012 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:32,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440806424] [2019-10-22 11:22:32,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:32,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:32,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:32,013 INFO L87 Difference]: Start difference. First operand 171 states and 235 transitions. Second operand 5 states. [2019-10-22 11:22:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,093 INFO L93 Difference]: Finished difference Result 502 states and 686 transitions. [2019-10-22 11:22:32,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:32,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:22:32,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,095 INFO L225 Difference]: With dead ends: 502 [2019-10-22 11:22:32,095 INFO L226 Difference]: Without dead ends: 337 [2019-10-22 11:22:32,095 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 11:22:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-10-22 11:22:32,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2019-10-22 11:22:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-10-22 11:22:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 247 transitions. [2019-10-22 11:22:32,110 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 247 transitions. Word has length 35 [2019-10-22 11:22:32,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,110 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 247 transitions. [2019-10-22 11:22:32,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 247 transitions. [2019-10-22 11:22:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:22:32,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,111 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] [2019-10-22 11:22:32,111 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,112 INFO L82 PathProgramCache]: Analyzing trace with hash -683180287, now seen corresponding path program 1 times [2019-10-22 11:22:32,112 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202011788] [2019-10-22 11:22:32,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,154 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 11:22:32,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202011788] [2019-10-22 11:22:32,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:32,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418809719] [2019-10-22 11:22:32,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:32,155 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:32,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:32,156 INFO L87 Difference]: Start difference. First operand 183 states and 247 transitions. Second operand 6 states. [2019-10-22 11:22:32,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,251 INFO L93 Difference]: Finished difference Result 468 states and 631 transitions. [2019-10-22 11:22:32,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:22:32,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 11:22:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,252 INFO L225 Difference]: With dead ends: 468 [2019-10-22 11:22:32,253 INFO L226 Difference]: Without dead ends: 291 [2019-10-22 11:22:32,253 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:32,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-10-22 11:22:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 166. [2019-10-22 11:22:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 11:22:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2019-10-22 11:22:32,272 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 35 [2019-10-22 11:22:32,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,273 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2019-10-22 11:22:32,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2019-10-22 11:22:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:22:32,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,274 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] [2019-10-22 11:22:32,274 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1963043965, now seen corresponding path program 1 times [2019-10-22 11:22:32,275 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300725937] [2019-10-22 11:22:32,275 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,275 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,335 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 11:22:32,335 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300725937] [2019-10-22 11:22:32,335 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:32,335 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552016193] [2019-10-22 11:22:32,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:32,336 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:32,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:32,336 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand 5 states. [2019-10-22 11:22:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,456 INFO L93 Difference]: Finished difference Result 449 states and 607 transitions. [2019-10-22 11:22:32,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:32,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:22:32,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,461 INFO L225 Difference]: With dead ends: 449 [2019-10-22 11:22:32,461 INFO L226 Difference]: Without dead ends: 332 [2019-10-22 11:22:32,462 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 11:22:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-10-22 11:22:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 230. [2019-10-22 11:22:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-10-22 11:22:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2019-10-22 11:22:32,484 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 35 [2019-10-22 11:22:32,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,485 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2019-10-22 11:22:32,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2019-10-22 11:22:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:22:32,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,486 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, 1, 1, 1, 1] [2019-10-22 11:22:32,486 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,487 INFO L82 PathProgramCache]: Analyzing trace with hash 523472835, now seen corresponding path program 1 times [2019-10-22 11:22:32,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147657033] [2019-10-22 11:22:32,487 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,487 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:32,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147657033] [2019-10-22 11:22:32,563 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737309612] [2019-10-22 11:22:32,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/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 11:22:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:22:32,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:32,720 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:32,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1225638544] [2019-10-22 11:22:32,759 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 61 [2019-10-22 11:22:32,813 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:32,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:33,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:33,240 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:33,245 INFO L168 Benchmark]: Toolchain (without parser) took 5057.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 934.3 MB in the beginning and 920.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 161.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,246 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:33,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,248 INFO L168 Benchmark]: Boogie Preprocessor took 83.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,248 INFO L168 Benchmark]: RCFGBuilder took 1246.72 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: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,249 INFO L168 Benchmark]: TraceAbstraction took 3011.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 920.3 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,251 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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 620.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1246.72 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: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3011.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 920.3 MB in the end (delta: 102.5 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:35,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:35,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:35,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:35,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:35,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:35,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:35,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:35,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:35,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:35,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:35,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:35,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:35,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:35,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:35,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:35,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:35,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:35,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:35,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:35,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:35,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:35,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:35,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:35,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:35,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:35,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:35,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:35,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:35,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:35,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:35,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:35,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:35,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:35,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:35,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:35,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:35,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:35,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:35,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:35,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:35,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:35,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:35,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:35,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:35,452 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:35,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:35,453 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:35,453 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:35,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:35,453 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:35,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:35,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:35,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:35,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:35,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:35,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:35,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:35,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:35,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:35,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:35,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:35,457 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:35,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:35,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:35,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:35,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:35,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:35,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:35,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:35,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:35,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:35,458 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:35,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:35,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:35,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:35,460 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan 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 -> Taipan 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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2019-10-22 11:22:35,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:35,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:35,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:35,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:35,526 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:35,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-10-22 11:22:35,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/c086f28ce/9ce651b58fcc42299ce15c7a2ee879c3/FLAGc3332f704 [2019-10-22 11:22:36,002 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:36,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-10-22 11:22:36,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/c086f28ce/9ce651b58fcc42299ce15c7a2ee879c3/FLAGc3332f704 [2019-10-22 11:22:36,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/data/c086f28ce/9ce651b58fcc42299ce15c7a2ee879c3 [2019-10-22 11:22:36,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:36,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:36,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:36,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:36,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:36,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4292c50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36, skipping insertion in model container [2019-10-22 11:22:36,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:36,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:36,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,720 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:36,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,935 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:36,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36 WrapperNode [2019-10-22 11:22:36,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:36,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:36,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:36,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:36,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:37,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:37,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:37,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:37,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:37,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:37,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:37,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:37,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:37,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/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 11:22:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:22:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:38,408 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:38,408 INFO L284 CfgBuilder]: Removed 354 assume(true) statements. [2019-10-22 11:22:38,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38 BoogieIcfgContainer [2019-10-22 11:22:38,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:38,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:38,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:38,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:38,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:36" (1/3) ... [2019-10-22 11:22:38,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a667d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:38, skipping insertion in model container [2019-10-22 11:22:38,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (2/3) ... [2019-10-22 11:22:38,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a667d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:38, skipping insertion in model container [2019-10-22 11:22:38,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38" (3/3) ... [2019-10-22 11:22:38,421 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2019-10-22 11:22:38,432 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:38,441 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:38,454 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:38,483 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:38,483 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:38,484 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:38,484 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:38,485 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:38,485 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:38,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:38,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:22:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:38,520 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,521 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:38,523 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1807762564, now seen corresponding path program 1 times [2019-10-22 11:22:38,542 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:38,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [953149758] [2019-10-22 11:22:38,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:22:38,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:38,754 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 11:22:38,755 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:38,758 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 11:22:38,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [953149758] [2019-10-22 11:22:38,762 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:22:38,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100453290] [2019-10-22 11:22:38,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:38,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:38,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:38,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:38,783 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2019-10-22 11:22:38,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,823 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2019-10-22 11:22:38,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:38,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,837 INFO L225 Difference]: With dead ends: 448 [2019-10-22 11:22:38,837 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:22:38,840 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 11:22:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:22:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-10-22 11:22:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-22 11:22:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2019-10-22 11:22:38,901 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2019-10-22 11:22:38,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,901 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2019-10-22 11:22:38,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2019-10-22 11:22:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:38,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,903 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,104 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1440447835, now seen corresponding path program 1 times [2019-10-22 11:22:39,105 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:39,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1712157371] [2019-10-22 11:22:39,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:39,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:39,272 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 11:22:39,272 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:39,280 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 11:22:39,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1712157371] [2019-10-22 11:22:39,281 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:22:39,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939434801] [2019-10-22 11:22:39,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:39,284 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:39,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:39,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:39,284 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 4 states. [2019-10-22 11:22:39,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,420 INFO L93 Difference]: Finished difference Result 706 states and 1038 transitions. [2019-10-22 11:22:39,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:39,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:22:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,427 INFO L225 Difference]: With dead ends: 706 [2019-10-22 11:22:39,427 INFO L226 Difference]: Without dead ends: 489 [2019-10-22 11:22:39,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-10-22 11:22:39,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 264. [2019-10-22 11:22:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-10-22 11:22:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 387 transitions. [2019-10-22 11:22:39,470 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 387 transitions. Word has length 17 [2019-10-22 11:22:39,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,470 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 387 transitions. [2019-10-22 11:22:39,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2019-10-22 11:22:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:39,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,472 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] [2019-10-22 11:22:39,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,673 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1003564858, now seen corresponding path program 1 times [2019-10-22 11:22:39,674 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:39,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2144974220] [2019-10-22 11:22:39,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:39,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:39,863 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 11:22:39,863 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:39,865 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 11:22:39,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2144974220] [2019-10-22 11:22:39,866 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:22:39,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27096997] [2019-10-22 11:22:39,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:39,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:39,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:39,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:39,869 INFO L87 Difference]: Start difference. First operand 264 states and 387 transitions. Second operand 3 states. [2019-10-22 11:22:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:40,063 INFO L93 Difference]: Finished difference Result 522 states and 761 transitions. [2019-10-22 11:22:40,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:40,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:22:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:40,065 INFO L225 Difference]: With dead ends: 522 [2019-10-22 11:22:40,065 INFO L226 Difference]: Without dead ends: 264 [2019-10-22 11:22:40,066 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 11:22:40,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-22 11:22:40,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 258. [2019-10-22 11:22:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-10-22 11:22:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 358 transitions. [2019-10-22 11:22:40,086 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 358 transitions. Word has length 20 [2019-10-22 11:22:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:40,086 INFO L462 AbstractCegarLoop]: Abstraction has 258 states and 358 transitions. [2019-10-22 11:22:40,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 358 transitions. [2019-10-22 11:22:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:40,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:40,088 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] [2019-10-22 11:22:40,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:40,289 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:40,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1574884233, now seen corresponding path program 1 times [2019-10-22 11:22:40,289 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:40,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [55974188] [2019-10-22 11:22:40,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:22:40,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:40,466 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 11:22:40,466 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:40,509 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 11:22:40,510 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [55974188] [2019-10-22 11:22:40,510 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:40,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-10-22 11:22:40,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525940742] [2019-10-22 11:22:40,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:40,511 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:40,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:40,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:40,512 INFO L87 Difference]: Start difference. First operand 258 states and 358 transitions. Second operand 9 states. [2019-10-22 11:22:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:41,475 INFO L93 Difference]: Finished difference Result 1800 states and 2527 transitions. [2019-10-22 11:22:41,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:22:41,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-10-22 11:22:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:41,481 INFO L225 Difference]: With dead ends: 1800 [2019-10-22 11:22:41,481 INFO L226 Difference]: Without dead ends: 1548 [2019-10-22 11:22:41,482 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:22:41,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2019-10-22 11:22:41,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 618. [2019-10-22 11:22:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-22 11:22:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 834 transitions. [2019-10-22 11:22:41,540 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 834 transitions. Word has length 25 [2019-10-22 11:22:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:41,541 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 834 transitions. [2019-10-22 11:22:41,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 834 transitions. [2019-10-22 11:22:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 11:22:41,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:41,547 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:41,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:41,748 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:41,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:41,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2066580405, now seen corresponding path program 1 times [2019-10-22 11:22:41,748 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:41,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [757360151] [2019-10-22 11:22:41,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:41,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:41,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:41,902 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:41,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [757360151] [2019-10-22 11:22:41,906 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:41,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:22:41,907 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561907742] [2019-10-22 11:22:41,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:41,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:41,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:41,908 INFO L87 Difference]: Start difference. First operand 618 states and 834 transitions. Second operand 5 states. [2019-10-22 11:22:42,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:42,365 INFO L93 Difference]: Finished difference Result 1500 states and 2050 transitions. [2019-10-22 11:22:42,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:42,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-22 11:22:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:42,370 INFO L225 Difference]: With dead ends: 1500 [2019-10-22 11:22:42,370 INFO L226 Difference]: Without dead ends: 1494 [2019-10-22 11:22:42,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:42,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-22 11:22:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 618. [2019-10-22 11:22:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-22 11:22:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 828 transitions. [2019-10-22 11:22:42,425 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 828 transitions. Word has length 41 [2019-10-22 11:22:42,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:42,425 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 828 transitions. [2019-10-22 11:22:42,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 828 transitions. [2019-10-22 11:22:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:22:42,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:42,428 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:42,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,629 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1225535575, now seen corresponding path program 1 times [2019-10-22 11:22:42,630 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:42,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [977774467] [2019-10-22 11:22:42,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:42,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:42,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:42,802 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 11:22:42,802 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:42,808 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 11:22:42,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [977774467] [2019-10-22 11:22:42,808 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:42,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:22:42,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817369974] [2019-10-22 11:22:42,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:42,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:42,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:42,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:42,810 INFO L87 Difference]: Start difference. First operand 618 states and 828 transitions. Second operand 5 states. [2019-10-22 11:22:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:43,105 INFO L93 Difference]: Finished difference Result 1754 states and 2301 transitions. [2019-10-22 11:22:43,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:43,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-22 11:22:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:43,109 INFO L225 Difference]: With dead ends: 1754 [2019-10-22 11:22:43,110 INFO L226 Difference]: Without dead ends: 1142 [2019-10-22 11:22:43,111 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 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 11:22:43,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2019-10-22 11:22:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 681. [2019-10-22 11:22:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2019-10-22 11:22:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 891 transitions. [2019-10-22 11:22:43,191 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 891 transitions. Word has length 50 [2019-10-22 11:22:43,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:43,191 INFO L462 AbstractCegarLoop]: Abstraction has 681 states and 891 transitions. [2019-10-22 11:22:43,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 891 transitions. [2019-10-22 11:22:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:22:43,193 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:43,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:43,394 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:43,394 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:43,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1018447723, now seen corresponding path program 1 times [2019-10-22 11:22:43,395 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:43,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1277304478] [2019-10-22 11:22:43,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:43,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:43,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:43,557 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 11:22:43,557 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:43,573 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 11:22:43,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1277304478] [2019-10-22 11:22:43,574 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:43,574 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:22:43,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591271633] [2019-10-22 11:22:43,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:43,575 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:43,575 INFO L87 Difference]: Start difference. First operand 681 states and 891 transitions. Second operand 6 states. [2019-10-22 11:22:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:43,806 INFO L93 Difference]: Finished difference Result 1646 states and 2127 transitions. [2019-10-22 11:22:43,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:43,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-22 11:22:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:43,809 INFO L225 Difference]: With dead ends: 1646 [2019-10-22 11:22:43,809 INFO L226 Difference]: Without dead ends: 896 [2019-10-22 11:22:43,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:43,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2019-10-22 11:22:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 544. [2019-10-22 11:22:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-22 11:22:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 704 transitions. [2019-10-22 11:22:43,860 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 704 transitions. Word has length 50 [2019-10-22 11:22:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:43,860 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 704 transitions. [2019-10-22 11:22:43,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 704 transitions. [2019-10-22 11:22:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 11:22:43,861 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:43,861 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:44,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,062 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2022097502, now seen corresponding path program 1 times [2019-10-22 11:22:44,063 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:44,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1855283780] [2019-10-22 11:22:44,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:44,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:44,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1855283780] [2019-10-22 11:22:44,252 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:44,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:22:44,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546660457] [2019-10-22 11:22:44,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:44,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:44,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:44,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:44,253 INFO L87 Difference]: Start difference. First operand 544 states and 704 transitions. Second operand 3 states. [2019-10-22 11:22:44,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:44,279 INFO L93 Difference]: Finished difference Result 544 states and 704 transitions. [2019-10-22 11:22:44,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:44,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-22 11:22:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:44,285 INFO L225 Difference]: With dead ends: 544 [2019-10-22 11:22:44,285 INFO L226 Difference]: Without dead ends: 248 [2019-10-22 11:22:44,286 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 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 11:22:44,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-22 11:22:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2019-10-22 11:22:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-10-22 11:22:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 330 transitions. [2019-10-22 11:22:44,307 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 330 transitions. Word has length 55 [2019-10-22 11:22:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:44,308 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 330 transitions. [2019-10-22 11:22:44,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 330 transitions. [2019-10-22 11:22:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:22:44,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,309 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, 1, 1, 1, 1] [2019-10-22 11:22:44,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,511 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,512 INFO L82 PathProgramCache]: Analyzing trace with hash 523472835, now seen corresponding path program 1 times [2019-10-22 11:22:44,512 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:44,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [99605792] [2019-10-22 11:22:44,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,713 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [99605792] [2019-10-22 11:22:44,759 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10579980] [2019-10-22 11:22:44,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,892 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,904 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:22:44,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:22:44,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929079869] [2019-10-22 11:22:44,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:22:44,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:22:44,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:44,905 INFO L87 Difference]: Start difference. First operand 248 states and 330 transitions. Second operand 11 states. [2019-10-22 11:22:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:45,931 INFO L93 Difference]: Finished difference Result 1618 states and 2195 transitions. [2019-10-22 11:22:45,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:22:45,931 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2019-10-22 11:22:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:45,937 INFO L225 Difference]: With dead ends: 1618 [2019-10-22 11:22:45,937 INFO L226 Difference]: Without dead ends: 1419 [2019-10-22 11:22:45,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 225 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:22:45,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2019-10-22 11:22:46,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 413. [2019-10-22 11:22:46,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-22 11:22:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 558 transitions. [2019-10-22 11:22:46,031 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 558 transitions. Word has length 60 [2019-10-22 11:22:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:46,032 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 558 transitions. [2019-10-22 11:22:46,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:22:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 558 transitions. [2019-10-22 11:22:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:22:46,033 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:46,034 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:46,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:46,435 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:46,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:46,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1502700669, now seen corresponding path program 2 times [2019-10-22 11:22:46,436 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:46,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [941575449] [2019-10-22 11:22:46,436 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:48,462 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:22:48,463 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:22:48,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:22:48,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:48,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:48,572 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:48,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941575449] [2019-10-22 11:22:48,607 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:48,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:22:48,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138165276] [2019-10-22 11:22:48,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:48,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:48,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:48,608 INFO L87 Difference]: Start difference. First operand 413 states and 558 transitions. Second operand 9 states. [2019-10-22 11:22:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:49,553 INFO L93 Difference]: Finished difference Result 1849 states and 2505 transitions. [2019-10-22 11:22:49,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:22:49,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:22:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:49,558 INFO L225 Difference]: With dead ends: 1849 [2019-10-22 11:22:49,558 INFO L226 Difference]: Without dead ends: 1386 [2019-10-22 11:22:49,559 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:22:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2019-10-22 11:22:49,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 504. [2019-10-22 11:22:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-10-22 11:22:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 670 transitions. [2019-10-22 11:22:49,620 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 670 transitions. Word has length 85 [2019-10-22 11:22:49,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:49,620 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 670 transitions. [2019-10-22 11:22:49,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 670 transitions. [2019-10-22 11:22:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:22:49,621 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:49,621 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:49,822 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:49,822 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:49,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:49,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1897067455, now seen corresponding path program 1 times [2019-10-22 11:22:49,823 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:49,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1963419634] [2019-10-22 11:22:49,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:49,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:22:49,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:22:50,011 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:22:50,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1963419634] [2019-10-22 11:22:50,041 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:50,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:22:50,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160445349] [2019-10-22 11:22:50,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:50,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:50,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:50,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:50,042 INFO L87 Difference]: Start difference. First operand 504 states and 670 transitions. Second operand 9 states. [2019-10-22 11:22:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:50,159 INFO L93 Difference]: Finished difference Result 815 states and 1073 transitions. [2019-10-22 11:22:50,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:50,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:22:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:50,160 INFO L225 Difference]: With dead ends: 815 [2019-10-22 11:22:50,160 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:50,162 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:22:50,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:50,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-10-22 11:22:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:50,163 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:50,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:50,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:50,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:50,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:50,592 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2019-10-22 11:22:50,842 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 124 [2019-10-22 11:22:51,097 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 127 [2019-10-22 11:22:51,228 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 128 [2019-10-22 11:22:51,594 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 131 [2019-10-22 11:22:51,741 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 128 [2019-10-22 11:22:52,040 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2019-10-22 11:22:52,251 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2019-10-22 11:22:52,595 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 31 [2019-10-22 11:22:53,136 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 31 [2019-10-22 11:22:53,521 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 39 [2019-10-22 11:22:53,674 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 27 [2019-10-22 11:22:53,914 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 20 [2019-10-22 11:22:54,363 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 25 [2019-10-22 11:22:54,919 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 39 [2019-10-22 11:22:55,197 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-10-22 11:22:55,293 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 898) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L894-3(lines 894 898) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L894-6(lines 894 898) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-3(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-4(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-5(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-6(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-7(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-8(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,294 INFO L443 ceAbstractionStarter]: For program point L302-9(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L302-10(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L439 ceAbstractionStarter]: At program point L963(lines 958 966) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (not (= ~systemActive~0 (_ bv0 32))) .cse4) (and .cse1 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L302-11(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L439 ceAbstractionStarter]: At program point L963-1(lines 958 966) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,295 INFO L439 ceAbstractionStarter]: At program point L963-2(lines 958 966) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L439 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse2)) (and .cse2 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse0))) [2019-10-22 11:22:55,295 INFO L439 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L971-1(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L971-2(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,295 INFO L443 ceAbstractionStarter]: For program point L971-3(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-4(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-5(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-6(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-7(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-8(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-9(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-10(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L971-11(lines 971 977) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 910) no Hoare annotation was computed. [2019-10-22 11:22:55,296 INFO L439 ceAbstractionStarter]: At program point L976(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,296 INFO L439 ceAbstractionStarter]: At program point L976-1(lines 967 980) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-2(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-3(lines 967 980) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (and .cse0 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse2 .cse3)))) [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-4(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-5(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-6(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-7(lines 967 980) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-8(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-9(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-10(lines 967 980) the Hoare annotation is: false [2019-10-22 11:22:55,297 INFO L439 ceAbstractionStarter]: At program point L976-11(lines 967 980) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,298 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-2(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-4(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-6(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-8(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-10(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-12(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,298 INFO L443 ceAbstractionStarter]: For program point L386-14(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,299 INFO L443 ceAbstractionStarter]: For program point L386-16(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,299 INFO L443 ceAbstractionStarter]: For program point L386-18(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,299 INFO L443 ceAbstractionStarter]: For program point L386-20(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,299 INFO L443 ceAbstractionStarter]: For program point L386-22(lines 386 392) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 922) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324-1(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324-3(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324-4(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L443 ceAbstractionStarter]: For program point L324-5(lines 324 341) no Hoare annotation was computed. [2019-10-22 11:22:55,300 INFO L439 ceAbstractionStarter]: At program point L986(lines 981 989) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,300 INFO L439 ceAbstractionStarter]: At program point L986-1(lines 981 989) the Hoare annotation is: false [2019-10-22 11:22:55,300 INFO L439 ceAbstractionStarter]: At program point L986-2(lines 981 989) the Hoare annotation is: false [2019-10-22 11:22:55,300 INFO L439 ceAbstractionStarter]: At program point L986-3(lines 981 989) the Hoare annotation is: false [2019-10-22 11:22:55,301 INFO L439 ceAbstractionStarter]: At program point L986-4(lines 981 989) the Hoare annotation is: false [2019-10-22 11:22:55,301 INFO L439 ceAbstractionStarter]: At program point L986-5(lines 981 989) the Hoare annotation is: false [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328-1(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328-2(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328-3(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328-4(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L328-5(lines 328 336) no Hoare annotation was computed. [2019-10-22 11:22:55,301 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:22:55,302 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:22:55,302 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:55,302 INFO L439 ceAbstractionStarter]: At program point L266(lines 265 284) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse1) .cse2) (and .cse2 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse0 .cse3)) (and .cse3 .cse0 .cse1 .cse2))) [2019-10-22 11:22:55,302 INFO L443 ceAbstractionStarter]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2019-10-22 11:22:55,302 INFO L439 ceAbstractionStarter]: At program point L266-2(lines 265 284) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-10-22 11:22:55,302 INFO L439 ceAbstractionStarter]: At program point L266-3(lines 265 284) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,302 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-22 11:22:55,302 INFO L439 ceAbstractionStarter]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and .cse1 .cse2 (and .cse3 .cse4))) (and (and .cse1 .cse5 .cse6 .cse2 .cse4) .cse0) (and (and .cse3 .cse2 .cse4 .cse7) .cse0) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse2 .cse7 .cse0 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (and .cse1 .cse5 .cse6 .cse3 .cse2) .cse0))) [2019-10-22 11:22:55,302 INFO L439 ceAbstractionStarter]: At program point L931(lines 926 934) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,303 INFO L439 ceAbstractionStarter]: At program point L931-1(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,303 INFO L439 ceAbstractionStarter]: At program point L931-2(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,303 INFO L439 ceAbstractionStarter]: At program point L931-3(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-4(lines 926 934) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-5(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-6(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-7(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-8(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-9(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-10(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-11(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-12(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L439 ceAbstractionStarter]: At program point L931-13(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,304 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L439 ceAbstractionStarter]: At program point L931-14(lines 926 934) the Hoare annotation is: false [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-5(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-6(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-8(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-9(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-11(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-12(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-14(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-15(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,305 INFO L443 ceAbstractionStarter]: For program point L469-17(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-18(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-20(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-21(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-23(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-24(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-26(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-27(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-29(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-30(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-32(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-33(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L443 ceAbstractionStarter]: For program point L469-35(lines 469 473) no Hoare annotation was computed. [2019-10-22 11:22:55,306 INFO L439 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (and .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32))))) (and .cse3 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse0) (and .cse0 (and .cse1 .cse2 .cse3)))) [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L273-1(lines 273 279) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2)))) [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L273-2(lines 273 279) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475-1(lines 460 478) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475-2(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475-3(lines 460 478) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and .cse3 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) .cse0 .cse1 .cse2)))) [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475-4(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,307 INFO L439 ceAbstractionStarter]: At program point L475-5(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-6(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-7(lines 460 478) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-8(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-9(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-10(lines 460 478) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L475-11(lines 460 478) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411(lines 404 414) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-1(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-2(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-3(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-4(lines 404 414) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-5(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,308 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-10-22 11:22:55,308 INFO L439 ceAbstractionStarter]: At program point L411-6(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and .cse1 .cse2 (and .cse3 .cse4))) (and (and .cse1 .cse5 .cse6 .cse2 .cse4) .cse0) (and (and .cse3 .cse2 .cse4 .cse7) .cse0) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse2 .cse7 .cse0 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (and .cse1 .cse5 .cse6 .cse3 .cse2) .cse0))) [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-7(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-8(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-9(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-10(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-11(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-12(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-13(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L439 ceAbstractionStarter]: At program point L411-14(lines 404 414) the Hoare annotation is: false [2019-10-22 11:22:55,309 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,309 INFO L443 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,309 INFO L443 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,309 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2019-10-22 11:22:55,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L350-1(lines 350 367) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 367) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L439 ceAbstractionStarter]: At program point L1013(lines 1 1024) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,310 INFO L439 ceAbstractionStarter]: At program point L420(lines 415 423) the Hoare annotation is: false [2019-10-22 11:22:55,310 INFO L439 ceAbstractionStarter]: At program point L420-1(lines 415 423) the Hoare annotation is: false [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L439 ceAbstractionStarter]: At program point L420-2(lines 415 423) the Hoare annotation is: false [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L354-1(lines 354 362) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L354-2(lines 354 362) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,310 INFO L443 ceAbstractionStarter]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2019-10-22 11:22:55,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:55,311 INFO L439 ceAbstractionStarter]: At program point L1021(lines 1016 1024) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,311 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-10-22 11:22:55,311 INFO L439 ceAbstractionStarter]: At program point L163-1(lines 1 1024) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse2) (and .cse2 (and .cse0 .cse1 .cse7 .cse3)) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse2))) [2019-10-22 11:22:55,311 INFO L443 ceAbstractionStarter]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2019-10-22 11:22:55,311 INFO L439 ceAbstractionStarter]: At program point L163-3(lines 1 1024) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,311 INFO L443 ceAbstractionStarter]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L163-5(lines 1 1024) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494(lines 479 497) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 479 497) the Hoare annotation is: false [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L439 ceAbstractionStarter]: At program point L231-1(lines 266 272) the Hoare annotation is: (let ((.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32)))) .cse2) (and .cse2 (and .cse0 .cse1 .cse3)) (and .cse3 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-3(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-4(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-5(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,312 INFO L443 ceAbstractionStarter]: For program point L298-6(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L298-7(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L298-8(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L298-9(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L298-10(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L298-11(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2019-10-22 11:22:55,313 INFO L443 ceAbstractionStarter]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2019-10-22 11:22:55,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:55 BoogieIcfgContainer [2019-10-22 11:22:55,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:55,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:55,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:55,364 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:55,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38" (3/4) ... [2019-10-22 11:22:55,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:55,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:55,395 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:55,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:22:55,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:22:55,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:55,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:55,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:22:55,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) [2019-10-22 11:22:55,425 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:55,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(tmp == 0bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:55,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) [2019-10-22 11:22:55,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:55,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) [2019-10-22 11:22:55,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:22:55,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) [2019-10-22 11:22:55,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32 [2019-10-22 11:22:55,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result [2019-10-22 11:22:55,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:55,434 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result [2019-10-22 11:22:55,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de9b0523-cb67-4377-b2db-956e2b810fe5/bin/utaipan/witness.graphml [2019-10-22 11:22:55,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:55,530 INFO L168 Benchmark]: Toolchain (without parser) took 19204.31 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 392.7 MB). Free memory was 945.6 MB in the beginning and 955.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 383.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,531 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:55,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,532 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,532 INFO L168 Benchmark]: RCFGBuilder took 1304.44 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: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,532 INFO L168 Benchmark]: TraceAbstraction took 16950.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 1.0 GB in the beginning and 976.5 MB in the end (delta: 49.3 MB). Peak memory consumption was 428.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,532 INFO L168 Benchmark]: Witness Printer took 166.03 ms. Allocated memory is still 1.4 GB. Free memory was 976.5 MB in the beginning and 955.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.07 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1304.44 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: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16950.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 1.0 GB in the beginning and 976.5 MB in the end (delta: 49.3 MB). Peak memory consumption was 428.0 MB. Max. memory is 11.5 GB. * Witness Printer took 166.03 ms. Allocated memory is still 1.4 GB. Free memory was 976.5 MB in the beginning and 955.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: 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: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (1bv32 == \result && (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (1bv32 == \result && ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((!(tmp == 0bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \result == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1016]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) || (((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && (~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32)) && 0bv32 == pumpRunning && !(systemActive == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (1bv32 == \result && ((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && !(systemActive == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 3247 SDtfs, 7588 SDslu, 8685 SDs, 0 SdLazy, 1482 SolverSat, 342 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1169 GetRequests, 1072 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 4738 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 278 NumberOfFragments, 1372 HoareAnnotationTreeSize, 92 FomulaSimplifications, 548668 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 92 FomulaSimplificationsInter, 39401 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1104 ConstructedInterpolants, 0 QuantifiedInterpolants, 130456 SizeOfPredicates, 49 NumberOfNonLiveVariables, 2631 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 266/302 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...