./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.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_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:20:56,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:20:56,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:20:56,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:20:56,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:20:56,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:20:56,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:20:56,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:20:56,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:20:56,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:20:56,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:20:56,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:20:56,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:20:56,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:20:56,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:20:56,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:20:56,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:20:56,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:20:56,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:20:56,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:20:56,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:20:56,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:20:56,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:20:56,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:20:56,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:20:56,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:20:56,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:20:56,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:20:56,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:20:56,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:20:56,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:20:56,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:20:56,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:20:56,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:20:56,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:20:56,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:20:56,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:20:56,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:20:56,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:20:56,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:20:56,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:20:56,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:20:56,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:20:56,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:20:56,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:20:56,246 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:20:56,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:20:56,247 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:20:56,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:20:56,247 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:20:56,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:20:56,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:20:56,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:20:56,248 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:20:56,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:20:56,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:20:56,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:20:56,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:20:56,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:20:56,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:20:56,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:20:56,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:20:56,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:20:56,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:20:56,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:20:56,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:20:56,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:20:56,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:20:56,253 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:20:56,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:20:56,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:20:56,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:20:56,254 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_47c66184-8840-4654-8580-76437246ab94/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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2019-10-22 11:20:56,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:20:56,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:20:56,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:20:56,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:20:56,310 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:20:56,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-10-22 11:20:56,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/3b0806d54/401cd2525dd5424cb82986535f24a1af/FLAG45e3beac2 [2019-10-22 11:20:56,779 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:20:56,780 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-10-22 11:20:56,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/3b0806d54/401cd2525dd5424cb82986535f24a1af/FLAG45e3beac2 [2019-10-22 11:20:56,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/3b0806d54/401cd2525dd5424cb82986535f24a1af [2019-10-22 11:20:56,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:20:56,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:20:56,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:56,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:20:56,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:20:56,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9d4ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:56, skipping insertion in model container [2019-10-22 11:20:56,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:20:56" (1/1) ... [2019-10-22 11:20:56,818 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:20:56,853 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:20:57,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:57,166 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:20:57,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:20:57,277 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:20:57,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57 WrapperNode [2019-10-22 11:20:57,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:20:57,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:57,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:20:57,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:20:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:20:57,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:20:57,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:20:57,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:20:57,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... [2019-10-22 11:20:57,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:20:57,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:20:57,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:20:57,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:20:57,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:20:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:20:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:20:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:20:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:20:58,225 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:20:58,225 INFO L284 CfgBuilder]: Removed 128 assume(true) statements. [2019-10-22 11:20:58,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:58 BoogieIcfgContainer [2019-10-22 11:20:58,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:20:58,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:20:58,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:20:58,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:20:58,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:20:56" (1/3) ... [2019-10-22 11:20:58,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d54a33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:58, skipping insertion in model container [2019-10-22 11:20:58,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:20:57" (2/3) ... [2019-10-22 11:20:58,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d54a33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:20:58, skipping insertion in model container [2019-10-22 11:20:58,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:20:58" (3/3) ... [2019-10-22 11:20:58,235 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-10-22 11:20:58,244 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:20:58,253 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:20:58,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:20:58,287 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:20:58,287 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:20:58,287 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:20:58,287 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:20:58,288 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:20:58,288 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:20:58,288 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:20:58,288 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:20:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-10-22 11:20:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:20:58,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,309 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:58,310 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2019-10-22 11:20:58,324 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862286986] [2019-10-22 11:20:58,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,532 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 11:20:58,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862286986] [2019-10-22 11:20:58,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:58,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61687445] [2019-10-22 11:20:58,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:20:58,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:20:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:20:58,560 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-10-22 11:20:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,593 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-10-22 11:20:58,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:20:58,595 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:20:58,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,605 INFO L225 Difference]: With dead ends: 185 [2019-10-22 11:20:58,605 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:20:58,608 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 11:20:58,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:20:58,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:20:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:20:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-10-22 11:20:58,649 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-10-22 11:20:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,649 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 11:20:58,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:20:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-10-22 11:20:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:20:58,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,653 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 11:20:58,653 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,654 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2019-10-22 11:20:58,654 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,654 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045962578] [2019-10-22 11:20:58,654 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,654 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,789 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 11:20:58,790 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045962578] [2019-10-22 11:20:58,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:20:58,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588225647] [2019-10-22 11:20:58,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,793 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2019-10-22 11:20:58,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,803 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2019-10-22 11:20:58,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:20:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,805 INFO L225 Difference]: With dead ends: 92 [2019-10-22 11:20:58,805 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 11:20:58,806 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 11:20:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 11:20:58,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 11:20:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 11:20:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2019-10-22 11:20:58,811 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2019-10-22 11:20:58,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,811 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2019-10-22 11:20:58,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2019-10-22 11:20:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:20:58,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,812 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 11:20:58,812 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2019-10-22 11:20:58,813 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731080226] [2019-10-22 11:20:58,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:58,909 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 11:20:58,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731080226] [2019-10-22 11:20:58,910 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:58,910 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:58,910 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046330585] [2019-10-22 11:20:58,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:58,911 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:58,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:58,911 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2019-10-22 11:20:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:58,923 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2019-10-22 11:20:58,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:58,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:20:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:58,929 INFO L225 Difference]: With dead ends: 75 [2019-10-22 11:20:58,929 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 11:20:58,929 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 11:20:58,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 11:20:58,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-22 11:20:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-22 11:20:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2019-10-22 11:20:58,937 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2019-10-22 11:20:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:58,937 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2019-10-22 11:20:58,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2019-10-22 11:20:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:20:58,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:58,939 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] [2019-10-22 11:20:58,939 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:58,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:58,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2019-10-22 11:20:58,940 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:58,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255557444] [2019-10-22 11:20:58,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:58,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,019 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 11:20:59,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255557444] [2019-10-22 11:20:59,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:59,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690034227] [2019-10-22 11:20:59,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:59,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:59,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,021 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2019-10-22 11:20:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,069 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2019-10-22 11:20:59,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:59,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 11:20:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,070 INFO L225 Difference]: With dead ends: 99 [2019-10-22 11:20:59,070 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:20:59,071 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 11:20:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:20:59,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-10-22 11:20:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:20:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2019-10-22 11:20:59,079 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2019-10-22 11:20:59,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,079 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2019-10-22 11:20:59,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-10-22 11:20:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:20:59,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,080 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,080 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2019-10-22 11:20:59,081 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582751333] [2019-10-22 11:20:59,084 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,188 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 11:20:59,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582751333] [2019-10-22 11:20:59,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:59,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183237498] [2019-10-22 11:20:59,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,190 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2019-10-22 11:20:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,291 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2019-10-22 11:20:59,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:20:59,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:20:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,292 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:20:59,292 INFO L226 Difference]: Without dead ends: 160 [2019-10-22 11:20:59,293 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 11:20:59,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-22 11:20:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-10-22 11:20:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-22 11:20:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2019-10-22 11:20:59,306 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2019-10-22 11:20:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,307 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2019-10-22 11:20:59,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-10-22 11:20:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:20:59,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,308 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,308 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2019-10-22 11:20:59,309 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,309 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352661019] [2019-10-22 11:20:59,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,383 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 11:20:59,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352661019] [2019-10-22 11:20:59,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:20:59,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231889488] [2019-10-22 11:20:59,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:20:59,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:20:59,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,385 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2019-10-22 11:20:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,432 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2019-10-22 11:20:59,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:20:59,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:20:59,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,433 INFO L225 Difference]: With dead ends: 161 [2019-10-22 11:20:59,433 INFO L226 Difference]: Without dead ends: 106 [2019-10-22 11:20:59,434 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 11:20:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-22 11:20:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2019-10-22 11:20:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:20:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2019-10-22 11:20:59,442 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2019-10-22 11:20:59,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,442 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2019-10-22 11:20:59,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:20:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-10-22 11:20:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:20:59,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,444 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,444 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2019-10-22 11:20:59,444 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934898976] [2019-10-22 11:20:59,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,488 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 11:20:59,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934898976] [2019-10-22 11:20:59,489 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,489 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:20:59,489 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493359862] [2019-10-22 11:20:59,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:20:59,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:20:59,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:20:59,490 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 4 states. [2019-10-22 11:20:59,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,517 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2019-10-22 11:20:59,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:20:59,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-22 11:20:59,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,519 INFO L225 Difference]: With dead ends: 149 [2019-10-22 11:20:59,519 INFO L226 Difference]: Without dead ends: 91 [2019-10-22 11:20:59,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:20:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-10-22 11:20:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2019-10-22 11:20:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:20:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-10-22 11:20:59,527 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2019-10-22 11:20:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,527 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-10-22 11:20:59,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:20:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-10-22 11:20:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:20:59,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,528 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,529 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2019-10-22 11:20:59,529 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669071768] [2019-10-22 11:20:59,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,569 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 11:20:59,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669071768] [2019-10-22 11:20:59,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:20:59,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162678551] [2019-10-22 11:20:59,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:20:59,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:20:59,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,571 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2019-10-22 11:20:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,591 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2019-10-22 11:20:59,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:20:59,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 11:20:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,593 INFO L225 Difference]: With dead ends: 154 [2019-10-22 11:20:59,593 INFO L226 Difference]: Without dead ends: 94 [2019-10-22 11:20:59,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:20:59,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-22 11:20:59,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-22 11:20:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 11:20:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2019-10-22 11:20:59,607 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2019-10-22 11:20:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,607 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2019-10-22 11:20:59,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:20:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2019-10-22 11:20:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:20:59,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,609 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,609 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2019-10-22 11:20:59,610 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,610 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718154652] [2019-10-22 11:20:59,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,700 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 11:20:59,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718154652] [2019-10-22 11:20:59,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:20:59,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:20:59,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270607682] [2019-10-22 11:20:59,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:20:59,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:20:59,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:20:59,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:20:59,702 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2019-10-22 11:20:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:20:59,892 INFO L93 Difference]: Finished difference Result 339 states and 457 transitions. [2019-10-22 11:20:59,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:20:59,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 11:20:59,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:20:59,894 INFO L225 Difference]: With dead ends: 339 [2019-10-22 11:20:59,894 INFO L226 Difference]: Without dead ends: 279 [2019-10-22 11:20:59,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:20:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-10-22 11:20:59,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 135. [2019-10-22 11:20:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:20:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2019-10-22 11:20:59,926 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 37 [2019-10-22 11:20:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:20:59,926 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2019-10-22 11:20:59,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:20:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2019-10-22 11:20:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:20:59,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:20:59,927 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:20:59,928 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:20:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:20:59,928 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2019-10-22 11:20:59,928 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:20:59,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279975108] [2019-10-22 11:20:59,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:20:59,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:20:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:20:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:20:59,985 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279975108] [2019-10-22 11:20:59,985 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995726057] [2019-10-22 11:20:59,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:00,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:00,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:00,143 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:00,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1404076715] [2019-10-22 11:21:00,172 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 55 [2019-10-22 11:21:00,212 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:21:00,212 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:21:00,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:00,651 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 11:21:00,655 INFO L168 Benchmark]: Toolchain (without parser) took 3851.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 942.3 MB in the beginning and 1.0 GB in the end (delta: -84.1 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,656 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:00,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.70 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,657 INFO L168 Benchmark]: Boogie Preprocessor took 52.22 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,657 INFO L168 Benchmark]: RCFGBuilder took 829.16 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,658 INFO L168 Benchmark]: TraceAbstraction took 2425.90 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: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:00,660 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.70 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.22 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 829.16 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2425.90 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: 27.0 MB). Peak memory consumption was 27.0 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 11:21:02,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:02,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:02,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:02,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:02,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:02,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:02,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:02,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:02,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:02,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:02,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:02,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:02,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:02,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:02,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:02,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:02,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:02,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:02,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:02,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:02,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:02,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:02,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:02,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:02,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:02,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:02,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:02,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:02,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:02,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:02,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:02,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:02,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:02,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:02,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:02,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:02,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:02,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:02,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:02,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:02,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:02,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:02,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:02,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:02,770 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:02,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:02,770 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:02,771 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:02,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:02,771 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:02,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:02,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:02,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:02,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:02,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:02,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:02,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:02,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:02,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:02,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:02,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:02,778 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:02,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:02,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:02,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:02,778 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_47c66184-8840-4654-8580-76437246ab94/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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2019-10-22 11:21:02,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:02,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:02,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:02,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:02,827 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:02,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-10-22 11:21:02,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/0237e1977/e5c68fdf74eb47e5aaa2366ec8c8054d/FLAG10f5b50ae [2019-10-22 11:21:03,349 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:03,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-10-22 11:21:03,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/0237e1977/e5c68fdf74eb47e5aaa2366ec8c8054d/FLAG10f5b50ae [2019-10-22 11:21:03,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/data/0237e1977/e5c68fdf74eb47e5aaa2366ec8c8054d [2019-10-22 11:21:03,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:03,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:03,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:03,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:03,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:03,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d413584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:03, skipping insertion in model container [2019-10-22 11:21:03,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:03" (1/1) ... [2019-10-22 11:21:03,882 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:03,929 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:04,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,297 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:04,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:04,402 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:04,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04 WrapperNode [2019-10-22 11:21:04,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:04,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:04,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:04,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:04,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:04,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:04,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... [2019-10-22 11:21:04,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:04,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:04,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:04,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:04,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:21:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:05,373 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:05,373 INFO L284 CfgBuilder]: Removed 128 assume(true) statements. [2019-10-22 11:21:05,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05 BoogieIcfgContainer [2019-10-22 11:21:05,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:05,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:05,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:05,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:05,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:03" (1/3) ... [2019-10-22 11:21:05,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51974eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:04" (2/3) ... [2019-10-22 11:21:05,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51974eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:05, skipping insertion in model container [2019-10-22 11:21:05,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/3) ... [2019-10-22 11:21:05,383 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-10-22 11:21:05,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:05,402 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:05,414 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:05,442 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:05,442 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:05,442 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:05,442 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:05,443 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:05,443 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:05,443 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:05,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-10-22 11:21:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:05,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,471 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:05,473 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:05,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2019-10-22 11:21:05,490 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:05,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1102796136] [2019-10-22 11:21:05,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:05,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:21:05,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:05,721 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 11:21:05,721 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:05,727 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 11:21:05,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1102796136] [2019-10-22 11:21:05,732 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:05,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:21:05,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463539700] [2019-10-22 11:21:05,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:05,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:05,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:05,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:05,752 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-10-22 11:21:05,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:05,783 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-10-22 11:21:05,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:05,785 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:21:05,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:05,797 INFO L225 Difference]: With dead ends: 185 [2019-10-22 11:21:05,798 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:21:05,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 11:21:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:21:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:21:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:21:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-10-22 11:21:05,845 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-10-22 11:21:05,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:05,845 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 11:21:05,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-10-22 11:21:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:21:05,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:05,847 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 11:21:06,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,048 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,048 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2019-10-22 11:21:06,049 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [873492294] [2019-10-22 11:21:06,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,214 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 11:21:06,214 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,223 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 11:21:06,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [873492294] [2019-10-22 11:21:06,223 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:21:06,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827378116] [2019-10-22 11:21:06,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:06,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:06,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:06,226 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 4 states. [2019-10-22 11:21:06,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:06,257 INFO L93 Difference]: Finished difference Result 177 states and 251 transitions. [2019-10-22 11:21:06,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:06,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 11:21:06,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:06,259 INFO L225 Difference]: With dead ends: 177 [2019-10-22 11:21:06,259 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 11:21:06,260 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 11:21:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 11:21:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-22 11:21:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:21:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 126 transitions. [2019-10-22 11:21:06,275 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 126 transitions. Word has length 20 [2019-10-22 11:21:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,275 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 126 transitions. [2019-10-22 11:21:06,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 126 transitions. [2019-10-22 11:21:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:21:06,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:06,276 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] [2019-10-22 11:21:06,480 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:06,480 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:06,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1667582082, now seen corresponding path program 1 times [2019-10-22 11:21:06,481 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:06,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [393535313] [2019-10-22 11:21:06,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:06,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:06,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:06,650 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 11:21:06,651 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:06,653 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 11:21:06,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [393535313] [2019-10-22 11:21:06,653 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:06,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:21:06,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592114891] [2019-10-22 11:21:06,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:06,655 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:06,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:06,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:06,655 INFO L87 Difference]: Start difference. First operand 92 states and 126 transitions. Second operand 3 states. [2019-10-22 11:21:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:06,783 INFO L93 Difference]: Finished difference Result 232 states and 319 transitions. [2019-10-22 11:21:06,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:06,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-10-22 11:21:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:06,785 INFO L225 Difference]: With dead ends: 232 [2019-10-22 11:21:06,786 INFO L226 Difference]: Without dead ends: 147 [2019-10-22 11:21:06,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 11:21:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-22 11:21:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2019-10-22 11:21:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 11:21:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 191 transitions. [2019-10-22 11:21:06,802 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 191 transitions. Word has length 21 [2019-10-22 11:21:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:06,803 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 191 transitions. [2019-10-22 11:21:06,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 191 transitions. [2019-10-22 11:21:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:21:06,804 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:06,804 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] [2019-10-22 11:21:07,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:07,005 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:07,005 INFO L82 PathProgramCache]: Analyzing trace with hash -386101554, now seen corresponding path program 1 times [2019-10-22 11:21:07,006 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:07,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1977701061] [2019-10-22 11:21:07,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:07,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:07,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:07,181 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 11:21:07,181 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:07,192 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 11:21:07,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1977701061] [2019-10-22 11:21:07,197 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:07,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:07,198 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638781425] [2019-10-22 11:21:07,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:07,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:07,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:07,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:07,200 INFO L87 Difference]: Start difference. First operand 141 states and 191 transitions. Second operand 5 states. [2019-10-22 11:21:07,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:07,568 INFO L93 Difference]: Finished difference Result 498 states and 674 transitions. [2019-10-22 11:21:07,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:07,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:21:07,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:07,571 INFO L225 Difference]: With dead ends: 498 [2019-10-22 11:21:07,571 INFO L226 Difference]: Without dead ends: 364 [2019-10-22 11:21:07,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 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 11:21:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-22 11:21:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 138. [2019-10-22 11:21:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:21:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 182 transitions. [2019-10-22 11:21:07,598 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 182 transitions. Word has length 27 [2019-10-22 11:21:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:07,598 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 182 transitions. [2019-10-22 11:21:07,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 182 transitions. [2019-10-22 11:21:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:21:07,599 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:07,599 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] [2019-10-22 11:21:07,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:07,803 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:07,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:07,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2001842865, now seen corresponding path program 1 times [2019-10-22 11:21:07,804 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:07,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [125658010] [2019-10-22 11:21:07,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:07,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:07,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:07,961 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 11:21:07,961 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:07,965 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 11:21:07,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [125658010] [2019-10-22 11:21:07,966 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:07,966 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:07,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898179983] [2019-10-22 11:21:07,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:07,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:07,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:07,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:07,967 INFO L87 Difference]: Start difference. First operand 138 states and 182 transitions. Second operand 5 states. [2019-10-22 11:21:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:08,080 INFO L93 Difference]: Finished difference Result 367 states and 478 transitions. [2019-10-22 11:21:08,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:08,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-22 11:21:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:08,082 INFO L225 Difference]: With dead ends: 367 [2019-10-22 11:21:08,082 INFO L226 Difference]: Without dead ends: 236 [2019-10-22 11:21:08,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 11:21:08,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-22 11:21:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 147. [2019-10-22 11:21:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-22 11:21:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2019-10-22 11:21:08,127 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 30 [2019-10-22 11:21:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:08,128 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2019-10-22 11:21:08,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2019-10-22 11:21:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:21:08,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:08,129 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] [2019-10-22 11:21:08,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,330 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:08,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:08,330 INFO L82 PathProgramCache]: Analyzing trace with hash 990725615, now seen corresponding path program 1 times [2019-10-22 11:21:08,331 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:08,331 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1136703820] [2019-10-22 11:21:08,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:08,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:08,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:08,497 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 11:21:08,497 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:08,511 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 11:21:08,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1136703820] [2019-10-22 11:21:08,511 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:08,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:21:08,512 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820997418] [2019-10-22 11:21:08,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:08,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:08,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:08,513 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand 6 states. [2019-10-22 11:21:08,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:08,603 INFO L93 Difference]: Finished difference Result 394 states and 505 transitions. [2019-10-22 11:21:08,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:08,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-10-22 11:21:08,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:08,604 INFO L225 Difference]: With dead ends: 394 [2019-10-22 11:21:08,604 INFO L226 Difference]: Without dead ends: 254 [2019-10-22 11:21:08,605 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 11:21:08,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-22 11:21:08,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 153. [2019-10-22 11:21:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-22 11:21:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions. [2019-10-22 11:21:08,620 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 197 transitions. Word has length 30 [2019-10-22 11:21:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:08,621 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 197 transitions. [2019-10-22 11:21:08,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions. [2019-10-22 11:21:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:21:08,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:08,622 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] [2019-10-22 11:21:08,822 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:08,823 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:08,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:08,823 INFO L82 PathProgramCache]: Analyzing trace with hash -30342739, now seen corresponding path program 1 times [2019-10-22 11:21:08,823 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:08,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [981658435] [2019-10-22 11:21:08,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,047 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 11:21:09,047 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,055 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 11:21:09,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [981658435] [2019-10-22 11:21:09,056 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,056 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:21:09,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727593012] [2019-10-22 11:21:09,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:09,057 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:09,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:09,057 INFO L87 Difference]: Start difference. First operand 153 states and 197 transitions. Second operand 4 states. [2019-10-22 11:21:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,067 INFO L93 Difference]: Finished difference Result 153 states and 197 transitions. [2019-10-22 11:21:09,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:09,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-10-22 11:21:09,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,068 INFO L225 Difference]: With dead ends: 153 [2019-10-22 11:21:09,068 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 11:21:09,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 11:21:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 11:21:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 11:21:09,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:21:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-10-22 11:21:09,075 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 30 [2019-10-22 11:21:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,075 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-10-22 11:21:09,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-10-22 11:21:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:21:09,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,076 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,277 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,277 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2019-10-22 11:21:09,278 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:09,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [439736172] [2019-10-22 11:21:09,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,497 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 11:21:09,497 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,520 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 11:21:09,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [439736172] [2019-10-22 11:21:09,520 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:21:09,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404426888] [2019-10-22 11:21:09,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:09,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:09,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:09,523 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 4 states. [2019-10-22 11:21:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,567 INFO L93 Difference]: Finished difference Result 204 states and 275 transitions. [2019-10-22 11:21:09,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:09,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-22 11:21:09,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,569 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:21:09,569 INFO L226 Difference]: Without dead ends: 144 [2019-10-22 11:21:09,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 11:21:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-22 11:21:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 115. [2019-10-22 11:21:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-22 11:21:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2019-10-22 11:21:09,580 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 36 [2019-10-22 11:21:09,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,581 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2019-10-22 11:21:09,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:09,581 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2019-10-22 11:21:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:21:09,582 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,582 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:09,783 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2019-10-22 11:21:09,784 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:09,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1228647129] [2019-10-22 11:21:09,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/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 11:21:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,926 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 11:21:09,926 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,930 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 11:21:09,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1228647129] [2019-10-22 11:21:09,931 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,931 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:21:09,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370286385] [2019-10-22 11:21:09,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:09,931 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:09,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:09,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:09,932 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand 6 states. [2019-10-22 11:21:10,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:10,320 INFO L93 Difference]: Finished difference Result 539 states and 732 transitions. [2019-10-22 11:21:10,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:21:10,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 11:21:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:10,323 INFO L225 Difference]: With dead ends: 539 [2019-10-22 11:21:10,324 INFO L226 Difference]: Without dead ends: 431 [2019-10-22 11:21:10,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:21:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-22 11:21:10,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 214. [2019-10-22 11:21:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-10-22 11:21:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 283 transitions. [2019-10-22 11:21:10,348 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 283 transitions. Word has length 37 [2019-10-22 11:21:10,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:10,348 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 283 transitions. [2019-10-22 11:21:10,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 283 transitions. [2019-10-22 11:21:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:21:10,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:10,353 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:10,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,554 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:10,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:10,554 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2019-10-22 11:21:10,555 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:10,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2130945606] [2019-10-22 11:21:10,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,709 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2130945606] [2019-10-22 11:21:10,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247225355] [2019-10-22 11:21:10,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:10,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:10,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,842 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:10,847 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:21:10,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5] total 8 [2019-10-22 11:21:10,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146017320] [2019-10-22 11:21:10,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:21:10,848 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:10,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:21:10,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:10,849 INFO L87 Difference]: Start difference. First operand 214 states and 283 transitions. Second operand 8 states. [2019-10-22 11:21:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:11,146 INFO L93 Difference]: Finished difference Result 367 states and 493 transitions. [2019-10-22 11:21:11,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:11,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-10-22 11:21:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:11,147 INFO L225 Difference]: With dead ends: 367 [2019-10-22 11:21:11,147 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:11,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:11,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:11,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-22 11:21:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:11,149 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:11,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:21:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:11,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:11,550 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:11,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:12,091 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2019-10-22 11:21:12,220 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-10-22 11:21:12,371 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-22 11:21:12,587 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2019-10-22 11:21:12,862 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-10-22 11:21:13,164 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2019-10-22 11:21:13,167 INFO L443 ceAbstractionStarter]: For program point L481(lines 480 525) no Hoare annotation was computed. [2019-10-22 11:21:13,168 INFO L439 ceAbstractionStarter]: At program point L465(lines 450 468) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (and (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) .cse2) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2))) [2019-10-22 11:21:13,168 INFO L439 ceAbstractionStarter]: At program point L465-1(lines 450 468) the Hoare annotation is: false [2019-10-22 11:21:13,168 INFO L439 ceAbstractionStarter]: At program point L465-2(lines 450 468) the Hoare annotation is: false [2019-10-22 11:21:13,168 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 486) no Hoare annotation was computed. [2019-10-22 11:21:13,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:13,168 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:21:13,168 INFO L439 ceAbstractionStarter]: At program point L70-1(lines 1 943) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse2 (= (_ bv2 32) ~waterLevel~0)) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-10-22 11:21:13,168 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-10-22 11:21:13,169 INFO L443 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:21:13,169 INFO L439 ceAbstractionStarter]: At program point L70-3(lines 1 943) the Hoare annotation is: false [2019-10-22 11:21:13,169 INFO L443 ceAbstractionStarter]: For program point L516-2(lines 510 521) no Hoare annotation was computed. [2019-10-22 11:21:13,169 INFO L443 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-10-22 11:21:13,169 INFO L439 ceAbstractionStarter]: At program point L70-5(lines 1 943) the Hoare annotation is: false [2019-10-22 11:21:13,169 INFO L439 ceAbstractionStarter]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2)) (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2))) [2019-10-22 11:21:13,169 INFO L439 ceAbstractionStarter]: At program point L186-1(lines 177 190) the Hoare annotation is: false [2019-10-22 11:21:13,169 INFO L439 ceAbstractionStarter]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2019-10-22 11:21:13,169 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 506) no Hoare annotation was computed. [2019-10-22 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) ~waterLevel~0)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2019-10-22 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L401(lines 394 404) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv2 32) ~waterLevel~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-10-22 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L401-1(lines 394 404) the Hoare annotation is: false [2019-10-22 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L401-2(lines 394 404) the Hoare annotation is: false [2019-10-22 11:21:13,170 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-10-22 11:21:13,170 INFO L443 ceAbstractionStarter]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2019-10-22 11:21:13,170 INFO L443 ceAbstractionStarter]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2019-10-22 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L253(lines 249 255) 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 11:21:13,170 INFO L439 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-10-22 11:21:13,171 INFO L439 ceAbstractionStarter]: At program point L931(lines 926 934) 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 11:21:13,171 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,171 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-22 11:21:13,171 INFO L439 ceAbstractionStarter]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv2 32) ~waterLevel~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3) (and .cse5 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2019-10-22 11:21:13,171 INFO L439 ceAbstractionStarter]: At program point L173-1(lines 168 176) the Hoare annotation is: false [2019-10-22 11:21:13,171 INFO L439 ceAbstractionStarter]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2019-10-22 11:21:13,171 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 356) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L439 ceAbstractionStarter]: At program point L141(lines 136 144) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv2 32) ~waterLevel~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-10-22 11:21:13,172 INFO L439 ceAbstractionStarter]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2019-10-22 11:21:13,172 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:21:13,172 INFO L439 ceAbstractionStarter]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2019-10-22 11:21:13,173 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:21:13,173 INFO L443 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:21:13,173 INFO L446 ceAbstractionStarter]: At program point L290(lines 271 293) the Hoare annotation is: true [2019-10-22 11:21:13,173 INFO L439 ceAbstractionStarter]: At program point L59(lines 307 313) the Hoare annotation is: (let ((.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= (_ bv2 32) ~waterLevel~0) .cse2 .cse1) (and (and .cse2 .cse1) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2019-10-22 11:21:13,173 INFO L439 ceAbstractionStarter]: At program point L59-1(lines 307 313) the Hoare annotation is: false [2019-10-22 11:21:13,174 INFO L439 ceAbstractionStarter]: At program point L59-2(lines 307 313) the Hoare annotation is: false [2019-10-22 11:21:13,174 INFO L439 ceAbstractionStarter]: At program point L307(lines 303 325) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (and (= (_ bv0 32) ~pumpRunning~0) .cse2))) (or (and (= (_ bv2 32) ~waterLevel~0) .cse0 .cse1) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse0) (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1)))) [2019-10-22 11:21:13,175 INFO L439 ceAbstractionStarter]: At program point L307-1(lines 303 325) the Hoare annotation is: false [2019-10-22 11:21:13,175 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,175 INFO L439 ceAbstractionStarter]: At program point L307-2(lines 303 325) the Hoare annotation is: false [2019-10-22 11:21:13,175 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-22 11:21:13,175 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2019-10-22 11:21:13,175 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-22 11:21:13,175 INFO L439 ceAbstractionStarter]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) ~waterLevel~0)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2019-10-22 11:21:13,175 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 382) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 351) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,176 INFO L443 ceAbstractionStarter]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,177 INFO L443 ceAbstractionStarter]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,177 INFO L443 ceAbstractionStarter]: For program point L459-5(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,177 INFO L443 ceAbstractionStarter]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,177 INFO L443 ceAbstractionStarter]: For program point L459-8(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:21:13,177 INFO L439 ceAbstractionStarter]: At program point L410(lines 405 413) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv2 32) ~waterLevel~0)) (.cse5 (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and (and .cse5 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L410-1(lines 405 413) the Hoare annotation is: (let ((.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (and (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0) .cse1) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L410-2(lines 405 413) the Hoare annotation is: false [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L410-3(lines 405 413) the Hoare annotation is: false [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L410-4(lines 405 413) the Hoare annotation is: false [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L410-5(lines 405 413) the Hoare annotation is: false [2019-10-22 11:21:13,178 INFO L439 ceAbstractionStarter]: At program point L526(lines 479 527) the Hoare annotation is: false [2019-10-22 11:21:13,178 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 521) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L439 ceAbstractionStarter]: At program point L923(lines 1 943) 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 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L443 ceAbstractionStarter]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2019-10-22 11:21:13,179 INFO L439 ceAbstractionStarter]: At program point L49(lines 44 51) 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 11:21:13,179 INFO L439 ceAbstractionStarter]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse1 (= (_ bv2 32) ~waterLevel~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (and (= (_ bv0 32) ~pumpRunning~0) .cse2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3) (and (and .cse3 .cse4) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2019-10-22 11:21:13,180 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-10-22 11:21:13,180 INFO L439 ceAbstractionStarter]: At program point L314-1(lines 314 320) the Hoare annotation is: false [2019-10-22 11:21:13,180 INFO L439 ceAbstractionStarter]: At program point L314-2(lines 314 320) the Hoare annotation is: false [2019-10-22 11:21:13,180 INFO L446 ceAbstractionStarter]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2019-10-22 11:21:13,180 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-10-22 11:21:13,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:13 BoogieIcfgContainer [2019-10-22 11:21:13,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:13,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:13,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:13,204 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:13,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:05" (3/4) ... [2019-10-22 11:21:13,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:13,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:13,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:21:13,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:21:13,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:13,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:13,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:13,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == tmp && 1bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((((2bv32 == tmp && 0bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == \result) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((2bv32 == waterLevel && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:21:13,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((2bv32 == waterLevel && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:21:13,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2bv32 == waterLevel && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:21:13,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((2bv32 == waterLevel && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) [2019-10-22 11:21:13,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-10-22 11:21:13,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:21:13,317 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47c66184-8840-4654-8580-76437246ab94/bin/utaipan/witness.graphml [2019-10-22 11:21:13,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:13,318 INFO L168 Benchmark]: Toolchain (without parser) took 9452.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,318 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:13,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.47 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,319 INFO L168 Benchmark]: Boogie Preprocessor took 43.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:13,319 INFO L168 Benchmark]: RCFGBuilder took 870.92 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,319 INFO L168 Benchmark]: TraceAbstraction took 7827.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.5 MB). Peak memory consumption was 293.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,320 INFO L168 Benchmark]: Witness Printer took 113.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:13,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 535.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.47 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 870.92 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: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7827.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.5 MB). Peak memory consumption was 293.7 MB. Max. memory is 11.5 GB. * Witness Printer took 113.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((2bv32 == waterLevel && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((2bv32 == waterLevel && splverifierCounter == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2bv32 == tmp && 1bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((((2bv32 == tmp && 0bv32 == pumpRunning) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((2bv32 == waterLevel && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 1bv32 == \result) && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((2bv32 == waterLevel && (0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 1243 SDtfs, 1647 SDslu, 2102 SDs, 0 SdLazy, 355 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 668 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 106 NumberOfFragments, 777 HoareAnnotationTreeSize, 43 FomulaSimplifications, 21793 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 43 FomulaSimplificationsInter, 4644 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 694 ConstructedInterpolants, 0 QuantifiedInterpolants, 51256 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2198 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 52/64 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...