./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.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_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 ae55322c9e2147e3768d03287d4758f350a7d088 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:24:12,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:12,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:12,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:12,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:12,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:12,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:12,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:12,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:12,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:12,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:12,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:12,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:12,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:12,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:12,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:12,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:12,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:12,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:12,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:12,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:12,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:12,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:12,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:12,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:12,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:12,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:12,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:12,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:12,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:12,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:12,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:12,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:12,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:12,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:12,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:12,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:12,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:12,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:12,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:12,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:12,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:12,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:12,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:12,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:12,377 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:12,377 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:12,378 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:12,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:12,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:12,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:12,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:12,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:12,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:12,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:12,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:12,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:12,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:12,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:12,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:12,383 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_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2019-10-22 11:24:12,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:12,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:12,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:12,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:12,419 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:12,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-10-22 11:24:12,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/1a1168b05/3fc220983bfc42ecbd2e580888a6bd64/FLAG688325f78 [2019-10-22 11:24:12,872 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:12,872 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-10-22 11:24:12,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/1a1168b05/3fc220983bfc42ecbd2e580888a6bd64/FLAG688325f78 [2019-10-22 11:24:12,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/1a1168b05/3fc220983bfc42ecbd2e580888a6bd64 [2019-10-22 11:24:12,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:12,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:12,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:12,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:12,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:12,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:12" (1/1) ... [2019-10-22 11:24:12,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68663676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:12, skipping insertion in model container [2019-10-22 11:24:12,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:12" (1/1) ... [2019-10-22 11:24:12,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:12,965 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:13,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:13,280 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:13,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:13,368 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:13,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13 WrapperNode [2019-10-22 11:24:13,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:13,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:13,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:13,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:13,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:13,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:13,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:13,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:13,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... [2019-10-22 11:24:13,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:13,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:13,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:13,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:13,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:14,272 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:14,272 INFO L284 CfgBuilder]: Removed 112 assume(true) statements. [2019-10-22 11:24:14,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:14 BoogieIcfgContainer [2019-10-22 11:24:14,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:14,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:14,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:14,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:14,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:12" (1/3) ... [2019-10-22 11:24:14,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:14, skipping insertion in model container [2019-10-22 11:24:14,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:13" (2/3) ... [2019-10-22 11:24:14,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:14, skipping insertion in model container [2019-10-22 11:24:14,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:14" (3/3) ... [2019-10-22 11:24:14,279 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2019-10-22 11:24:14,287 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:14,296 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:14,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:14,328 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:14,328 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:14,329 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:14,329 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:14,329 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:14,329 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:14,329 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:14,330 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-10-22 11:24:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:24:14,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:14,351 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 11:24:14,353 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:14,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:14,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2019-10-22 11:24:14,365 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:14,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653144565] [2019-10-22 11:24:14,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:14,558 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 11:24:14,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653144565] [2019-10-22 11:24:14,559 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:14,561 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:14,561 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317015730] [2019-10-22 11:24:14,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:14,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:14,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:14,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:14,581 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-10-22 11:24:14,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:14,608 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-10-22 11:24:14,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:14,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:24:14,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:14,619 INFO L225 Difference]: With dead ends: 167 [2019-10-22 11:24:14,620 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:24:14,622 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 11:24:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:24:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:24:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:24:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-10-22 11:24:14,660 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-10-22 11:24:14,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:14,660 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-10-22 11:24:14,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-10-22 11:24:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:24:14,661 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:14,661 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 11:24:14,662 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:14,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:14,662 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2019-10-22 11:24:14,662 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:14,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634461171] [2019-10-22 11:24:14,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:14,746 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 11:24:14,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634461171] [2019-10-22 11:24:14,747 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:14,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:14,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518025003] [2019-10-22 11:24:14,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:14,749 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:14,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:14,749 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-10-22 11:24:14,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:14,762 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-10-22 11:24:14,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:14,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:24:14,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:14,764 INFO L225 Difference]: With dead ends: 83 [2019-10-22 11:24:14,764 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 11:24:14,765 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 11:24:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 11:24:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-22 11:24:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-22 11:24:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-10-22 11:24:14,770 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-10-22 11:24:14,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:14,770 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-10-22 11:24:14,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-10-22 11:24:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:24:14,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:14,771 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 11:24:14,771 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:14,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2019-10-22 11:24:14,772 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:14,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888144214] [2019-10-22 11:24:14,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:14,876 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 11:24:14,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888144214] [2019-10-22 11:24:14,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:14,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:14,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736163936] [2019-10-22 11:24:14,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:14,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:14,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:14,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:14,878 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 5 states. [2019-10-22 11:24:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:14,923 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-10-22 11:24:14,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:14,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:24:14,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:14,925 INFO L225 Difference]: With dead ends: 69 [2019-10-22 11:24:14,925 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 11:24:14,925 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 11:24:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 11:24:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-22 11:24:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-22 11:24:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-10-22 11:24:14,930 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-10-22 11:24:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:14,931 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-10-22 11:24:14,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-10-22 11:24:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:24:14,931 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:14,932 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 11:24:14,932 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:14,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:14,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2019-10-22 11:24:14,932 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:14,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264096556] [2019-10-22 11:24:14,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:14,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,022 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 11:24:15,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264096556] [2019-10-22 11:24:15,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:15,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539470224] [2019-10-22 11:24:15,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:15,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:15,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:15,024 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-10-22 11:24:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,079 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-10-22 11:24:15,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:15,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 11:24:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,081 INFO L225 Difference]: With dead ends: 93 [2019-10-22 11:24:15,081 INFO L226 Difference]: Without dead ends: 62 [2019-10-22 11:24:15,081 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 11:24:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-22 11:24:15,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-10-22 11:24:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:24:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-10-22 11:24:15,092 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-10-22 11:24:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,092 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-10-22 11:24:15,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-10-22 11:24:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:15,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,093 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 11:24:15,093 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2019-10-22 11:24:15,094 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030248932] [2019-10-22 11:24:15,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,186 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 11:24:15,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030248932] [2019-10-22 11:24:15,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:15,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613929517] [2019-10-22 11:24:15,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:15,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:15,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:15,188 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-10-22 11:24:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,249 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-10-22 11:24:15,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:15,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:24:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,254 INFO L225 Difference]: With dead ends: 157 [2019-10-22 11:24:15,254 INFO L226 Difference]: Without dead ends: 104 [2019-10-22 11:24:15,255 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 11:24:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-22 11:24:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-10-22 11:24:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:24:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-10-22 11:24:15,267 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-10-22 11:24:15,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,267 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-10-22 11:24:15,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-10-22 11:24:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:15,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,268 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 11:24:15,268 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2019-10-22 11:24:15,271 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678670109] [2019-10-22 11:24:15,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,364 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 11:24:15,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678670109] [2019-10-22 11:24:15,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:15,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624132805] [2019-10-22 11:24:15,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:15,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:15,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:15,367 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-10-22 11:24:15,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,497 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-10-22 11:24:15,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:15,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:24:15,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,499 INFO L225 Difference]: With dead ends: 216 [2019-10-22 11:24:15,500 INFO L226 Difference]: Without dead ends: 160 [2019-10-22 11:24:15,500 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 11:24:15,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-22 11:24:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-10-22 11:24:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-22 11:24:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-10-22 11:24:15,512 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-10-22 11:24:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,512 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-10-22 11:24:15,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-10-22 11:24:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:15,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,513 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 11:24:15,514 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2019-10-22 11:24:15,514 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754496750] [2019-10-22 11:24:15,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:15,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754496750] [2019-10-22 11:24:15,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:15,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238156629] [2019-10-22 11:24:15,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:15,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:15,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:15,560 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 4 states. [2019-10-22 11:24:15,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,593 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2019-10-22 11:24:15,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:15,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 11:24:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,595 INFO L225 Difference]: With dead ends: 143 [2019-10-22 11:24:15,595 INFO L226 Difference]: Without dead ends: 88 [2019-10-22 11:24:15,595 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 11:24:15,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-22 11:24:15,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2019-10-22 11:24:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:24:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-10-22 11:24:15,609 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-10-22 11:24:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,609 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-10-22 11:24:15,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-10-22 11:24:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:15,610 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,611 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 11:24:15,611 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2019-10-22 11:24:15,611 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287243095] [2019-10-22 11:24:15,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,660 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 11:24:15,661 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287243095] [2019-10-22 11:24:15,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:15,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111164782] [2019-10-22 11:24:15,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:15,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:15,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:15,662 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-10-22 11:24:15,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,689 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-10-22 11:24:15,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:15,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:24:15,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,691 INFO L225 Difference]: With dead ends: 148 [2019-10-22 11:24:15,691 INFO L226 Difference]: Without dead ends: 91 [2019-10-22 11:24:15,691 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 11:24:15,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-10-22 11:24:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-10-22 11:24:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-22 11:24:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-10-22 11:24:15,710 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-10-22 11:24:15,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:15,710 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-10-22 11:24:15,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-10-22 11:24:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:15,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,711 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] [2019-10-22 11:24:15,711 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2019-10-22 11:24:15,712 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232808666] [2019-10-22 11:24:15,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,810 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 11:24:15,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232808666] [2019-10-22 11:24:15,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:24:15,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185883570] [2019-10-22 11:24:15,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:15,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:15,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:15,812 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-10-22 11:24:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,989 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-10-22 11:24:15,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:15,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-10-22 11:24:15,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,990 INFO L225 Difference]: With dead ends: 327 [2019-10-22 11:24:15,990 INFO L226 Difference]: Without dead ends: 270 [2019-10-22 11:24:15,991 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 11:24:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-22 11:24:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-10-22 11:24:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-22 11:24:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-10-22 11:24:16,020 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-10-22 11:24:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,021 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-10-22 11:24:16,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-10-22 11:24:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 11:24:16,022 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,023 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] [2019-10-22 11:24:16,023 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,023 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2019-10-22 11:24:16,023 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991860860] [2019-10-22 11:24:16,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,091 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 11:24:16,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991860860] [2019-10-22 11:24:16,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940358488] [2019-10-22 11:24:16,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:16,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:16,303 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 11:24:16,303 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:16,336 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 11:24:16,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1664568641] [2019-10-22 11:24:16,342 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 52 [2019-10-22 11:24:16,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:24:16,380 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:24:16,750 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:16,751 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 11:24:16,755 INFO L168 Benchmark]: Toolchain (without parser) took 3855.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 945.9 MB in the beginning and 1.2 GB in the end (delta: -228.8 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,755 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:16,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.25 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,757 INFO L168 Benchmark]: Boogie Preprocessor took 65.02 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,757 INFO L168 Benchmark]: RCFGBuilder took 783.36 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: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:16,758 INFO L168 Benchmark]: TraceAbstraction took 2479.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:16,765 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.25 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.02 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 783.36 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: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2479.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.0 MB). There was no memory consumed. 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 11:24:18,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:18,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:18,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:18,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:18,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:18,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:18,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:18,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:18,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:18,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:18,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:18,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:18,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:18,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:18,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:18,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:18,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:18,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:18,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:18,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:18,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:18,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:18,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:18,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:18,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:18,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:18,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:18,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:18,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:18,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:18,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:18,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:18,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:18,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:18,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:18,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:18,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:18,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:18,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:18,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:18,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:24:18,805 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:18,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:18,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:18,806 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:18,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:18,806 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:18,806 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:18,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:18,806 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:18,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:18,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:18,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:18,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:18,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:18,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:24:18,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:18,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:18,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:18,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:18,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:18,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:24:18,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:18,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:18,811 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_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2019-10-22 11:24:18,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:18,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:18,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:18,849 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:18,850 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:18,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-10-22 11:24:18,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/e4a2706e7/49a02338b3ab48ff97f32bb3eb51d352/FLAG57571822e [2019-10-22 11:24:19,336 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:19,337 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-10-22 11:24:19,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/e4a2706e7/49a02338b3ab48ff97f32bb3eb51d352/FLAG57571822e [2019-10-22 11:24:19,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/data/e4a2706e7/49a02338b3ab48ff97f32bb3eb51d352 [2019-10-22 11:24:19,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:19,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:19,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:19,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:19,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:19,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:19" (1/1) ... [2019-10-22 11:24:19,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fff581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:19, skipping insertion in model container [2019-10-22 11:24:19,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:19" (1/1) ... [2019-10-22 11:24:19,695 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:19,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:20,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:20,181 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:20,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:20,291 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:20,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20 WrapperNode [2019-10-22 11:24:20,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:20,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:20,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:20,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:20,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:20,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:20,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:20,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:20,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... [2019-10-22 11:24:20,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:20,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:20,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:20,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:20,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:24:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:21,248 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:21,249 INFO L284 CfgBuilder]: Removed 112 assume(true) statements. [2019-10-22 11:24:21,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:21 BoogieIcfgContainer [2019-10-22 11:24:21,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:21,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:21,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:21,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:21,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:19" (1/3) ... [2019-10-22 11:24:21,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c18cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:21, skipping insertion in model container [2019-10-22 11:24:21,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:20" (2/3) ... [2019-10-22 11:24:21,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c18cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:21, skipping insertion in model container [2019-10-22 11:24:21,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:21" (3/3) ... [2019-10-22 11:24:21,259 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2019-10-22 11:24:21,269 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:21,276 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:21,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:21,318 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:21,319 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:21,319 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:21,319 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:21,319 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:21,320 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:21,320 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:21,320 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-10-22 11:24:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:24:21,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:21,340 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 11:24:21,341 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:21,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:21,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2019-10-22 11:24:21,355 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:21,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1075663326] [2019-10-22 11:24:21,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:21,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:24:21,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:21,565 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 11:24:21,566 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:21,571 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 11:24:21,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1075663326] [2019-10-22 11:24:21,576 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:21,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:24:21,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595786078] [2019-10-22 11:24:21,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:21,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:21,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:21,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:21,596 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-10-22 11:24:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:21,626 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-10-22 11:24:21,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:21,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 11:24:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:21,642 INFO L225 Difference]: With dead ends: 167 [2019-10-22 11:24:21,642 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:24:21,648 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 11:24:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:24:21,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:24:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:24:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-10-22 11:24:21,696 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-10-22 11:24:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:21,696 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-10-22 11:24:21,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-10-22 11:24:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:24:21,697 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:21,697 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 11:24:21,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:21,899 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:21,900 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2019-10-22 11:24:21,900 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:21,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1800416427] [2019-10-22 11:24:21,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:22,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:22,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:22,068 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 11:24:22,068 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:22,080 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 11:24:22,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1800416427] [2019-10-22 11:24:22,081 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:22,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:24:22,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199935239] [2019-10-22 11:24:22,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:22,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:22,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:22,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:22,083 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 4 states. [2019-10-22 11:24:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:22,136 INFO L93 Difference]: Finished difference Result 159 states and 227 transitions. [2019-10-22 11:24:22,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:22,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 11:24:22,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:22,138 INFO L225 Difference]: With dead ends: 159 [2019-10-22 11:24:22,138 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:24:22,139 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 11:24:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:24:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:24:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:24:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2019-10-22 11:24:22,151 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 20 [2019-10-22 11:24:22,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:22,152 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2019-10-22 11:24:22,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2019-10-22 11:24:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:24:22,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:22,157 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 11:24:22,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:22,359 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:22,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:22,360 INFO L82 PathProgramCache]: Analyzing trace with hash -292029566, now seen corresponding path program 1 times [2019-10-22 11:24:22,360 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:22,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [346306208] [2019-10-22 11:24:22,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:22,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:22,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:22,498 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 11:24:22,498 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:22,501 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 11:24:22,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [346306208] [2019-10-22 11:24:22,501 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:22,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:24:22,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508275725] [2019-10-22 11:24:22,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:22,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:22,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:22,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:22,503 INFO L87 Difference]: Start difference. First operand 83 states and 114 transitions. Second operand 3 states. [2019-10-22 11:24:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:22,617 INFO L93 Difference]: Finished difference Result 214 states and 295 transitions. [2019-10-22 11:24:22,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:22,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-10-22 11:24:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:22,619 INFO L225 Difference]: With dead ends: 214 [2019-10-22 11:24:22,619 INFO L226 Difference]: Without dead ends: 138 [2019-10-22 11:24:22,620 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 11:24:22,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-22 11:24:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2019-10-22 11:24:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-22 11:24:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 179 transitions. [2019-10-22 11:24:22,636 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 179 transitions. Word has length 21 [2019-10-22 11:24:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:22,636 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 179 transitions. [2019-10-22 11:24:22,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 179 transitions. [2019-10-22 11:24:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:24:22,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:22,637 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 11:24:22,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:22,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash 468888819, now seen corresponding path program 1 times [2019-10-22 11:24:22,839 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:22,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1057452111] [2019-10-22 11:24:22,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:22,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:22,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:22,994 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 11:24:22,994 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:23,014 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 11:24:23,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1057452111] [2019-10-22 11:24:23,014 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:23,014 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:24:23,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869045996] [2019-10-22 11:24:23,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:23,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:23,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:23,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:23,016 INFO L87 Difference]: Start difference. First operand 132 states and 179 transitions. Second operand 6 states. [2019-10-22 11:24:23,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:23,150 INFO L93 Difference]: Finished difference Result 495 states and 674 transitions. [2019-10-22 11:24:23,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:23,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-10-22 11:24:23,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:23,153 INFO L225 Difference]: With dead ends: 495 [2019-10-22 11:24:23,153 INFO L226 Difference]: Without dead ends: 370 [2019-10-22 11:24:23,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 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 11:24:23,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-22 11:24:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 138. [2019-10-22 11:24:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:24:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2019-10-22 11:24:23,183 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 27 [2019-10-22 11:24:23,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:23,184 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2019-10-22 11:24:23,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2019-10-22 11:24:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:24:23,189 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:23,189 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 11:24:23,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:23,390 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:23,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:23,390 INFO L82 PathProgramCache]: Analyzing trace with hash -232175759, now seen corresponding path program 1 times [2019-10-22 11:24:23,391 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:23,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1256605665] [2019-10-22 11:24:23,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:23,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:23,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:23,563 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 11:24:23,563 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:23,566 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 11:24:23,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1256605665] [2019-10-22 11:24:23,566 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:23,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:24:23,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023966377] [2019-10-22 11:24:23,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:23,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:23,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:23,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:23,568 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 5 states. [2019-10-22 11:24:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:23,686 INFO L93 Difference]: Finished difference Result 359 states and 473 transitions. [2019-10-22 11:24:23,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:23,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:24:23,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:23,688 INFO L225 Difference]: With dead ends: 359 [2019-10-22 11:24:23,688 INFO L226 Difference]: Without dead ends: 228 [2019-10-22 11:24:23,689 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 11:24:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-22 11:24:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 147. [2019-10-22 11:24:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-22 11:24:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 194 transitions. [2019-10-22 11:24:23,719 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 194 transitions. Word has length 27 [2019-10-22 11:24:23,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:23,720 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 194 transitions. [2019-10-22 11:24:23,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2019-10-22 11:24:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:24:23,724 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:23,724 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 11:24:23,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:23,925 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:23,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:23,925 INFO L82 PathProgramCache]: Analyzing trace with hash 701287950, now seen corresponding path program 1 times [2019-10-22 11:24:23,926 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:23,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2136460109] [2019-10-22 11:24:23,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:24,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:24,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:24,113 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 11:24:24,113 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:24,117 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 11:24:24,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2136460109] [2019-10-22 11:24:24,117 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:24,117 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:24:24,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128182997] [2019-10-22 11:24:24,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:24,118 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:24,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:24,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:24,119 INFO L87 Difference]: Start difference. First operand 147 states and 194 transitions. Second operand 5 states. [2019-10-22 11:24:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:24,393 INFO L93 Difference]: Finished difference Result 528 states and 689 transitions. [2019-10-22 11:24:24,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:24,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 11:24:24,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:24,395 INFO L225 Difference]: With dead ends: 528 [2019-10-22 11:24:24,395 INFO L226 Difference]: Without dead ends: 388 [2019-10-22 11:24:24,396 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 11:24:24,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-10-22 11:24:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 144. [2019-10-22 11:24:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-22 11:24:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2019-10-22 11:24:24,420 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 27 [2019-10-22 11:24:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:24,420 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2019-10-22 11:24:24,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2019-10-22 11:24:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:24:24,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:24,421 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 11:24:24,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:24,622 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash -117917195, now seen corresponding path program 1 times [2019-10-22 11:24:24,623 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:24,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1262340785] [2019-10-22 11:24:24,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:24,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:24,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:24,868 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 11:24:24,868 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:24,878 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 11:24:24,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1262340785] [2019-10-22 11:24:24,878 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:24,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:24:24,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517277446] [2019-10-22 11:24:24,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:24,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:24,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:24,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:24,880 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand 4 states. [2019-10-22 11:24:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:24,888 INFO L93 Difference]: Finished difference Result 144 states and 185 transitions. [2019-10-22 11:24:24,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:24,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-10-22 11:24:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:24,889 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:24:24,889 INFO L226 Difference]: Without dead ends: 64 [2019-10-22 11:24:24,889 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 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 11:24:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-10-22 11:24:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-10-22 11:24:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:24:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-10-22 11:24:24,896 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 27 [2019-10-22 11:24:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:24,896 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-10-22 11:24:24,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-10-22 11:24:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:24,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:24,897 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 11:24:25,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:25,098 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:25,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2019-10-22 11:24:25,099 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:25,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1245326664] [2019-10-22 11:24:25,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:25,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:25,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:25,312 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 11:24:25,312 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:25,325 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 11:24:25,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1245326664] [2019-10-22 11:24:25,325 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:25,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:24:25,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703989819] [2019-10-22 11:24:25,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:25,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:25,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:25,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:25,327 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 4 states. [2019-10-22 11:24:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:25,379 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2019-10-22 11:24:25,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:25,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 11:24:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:25,380 INFO L225 Difference]: With dead ends: 198 [2019-10-22 11:24:25,380 INFO L226 Difference]: Without dead ends: 141 [2019-10-22 11:24:25,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 11:24:25,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-22 11:24:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 112. [2019-10-22 11:24:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-22 11:24:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-10-22 11:24:25,398 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 33 [2019-10-22 11:24:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:25,398 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-10-22 11:24:25,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-10-22 11:24:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:25,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:25,399 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] [2019-10-22 11:24:25,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:25,600 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:25,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2019-10-22 11:24:25,601 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:25,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [598457127] [2019-10-22 11:24:25,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:25,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:24:25,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:25,770 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 11:24:25,770 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:25,774 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 11:24:25,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [598457127] [2019-10-22 11:24:25,775 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:25,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:24:25,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184819013] [2019-10-22 11:24:25,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:25,775 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:25,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:25,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:25,776 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 6 states. [2019-10-22 11:24:26,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:26,122 INFO L93 Difference]: Finished difference Result 521 states and 708 transitions. [2019-10-22 11:24:26,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:24:26,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-10-22 11:24:26,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:26,125 INFO L225 Difference]: With dead ends: 521 [2019-10-22 11:24:26,125 INFO L226 Difference]: Without dead ends: 416 [2019-10-22 11:24:26,125 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 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 11:24:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-10-22 11:24:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 208. [2019-10-22 11:24:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-22 11:24:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2019-10-22 11:24:26,149 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 34 [2019-10-22 11:24:26,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:26,150 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2019-10-22 11:24:26,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2019-10-22 11:24:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 11:24:26,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:26,151 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] [2019-10-22 11:24:26,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:26,352 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:26,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:26,352 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2019-10-22 11:24:26,353 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:26,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1653116794] [2019-10-22 11:24:26,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:26,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:24:26,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:26,532 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 11:24:26,533 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:26,566 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 11:24:26,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1653116794] [2019-10-22 11:24:26,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556190904] [2019-10-22 11:24:26,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/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 11:24:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:26,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:26,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:26,677 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 11:24:26,677 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:26,681 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 11:24:26,682 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:24:26,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 9 [2019-10-22 11:24:26,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112345815] [2019-10-22 11:24:26,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:24:26,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:24:26,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:24:26,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:26,683 INFO L87 Difference]: Start difference. First operand 208 states and 275 transitions. Second operand 9 states. [2019-10-22 11:24:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:26,924 INFO L93 Difference]: Finished difference Result 358 states and 481 transitions. [2019-10-22 11:24:26,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:26,925 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2019-10-22 11:24:26,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:26,925 INFO L225 Difference]: With dead ends: 358 [2019-10-22 11:24:26,925 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:26,926 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:24:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:26,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-10-22 11:24:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:26,927 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:26,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:24:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:26,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:27,328 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 11:24:27,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:27,456 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-10-22 11:24:27,921 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2019-10-22 11:24:28,205 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-10-22 11:24:28,440 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-10-22 11:24:28,928 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-10-22 11:24:29,034 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse6 .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3))) [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L647-1(lines 647 653) the Hoare annotation is: false [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L647-2(lines 647 653) the Hoare annotation is: false [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2))) [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L548-1(lines 539 552) the Hoare annotation is: false [2019-10-22 11:24:29,035 INFO L439 ceAbstractionStarter]: At program point L548-2(lines 539 552) the Hoare annotation is: false [2019-10-22 11:24:29,035 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:29,035 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-10-22 11:24:29,035 INFO L443 ceAbstractionStarter]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2019-10-22 11:24:29,036 INFO L439 ceAbstractionStarter]: At program point L780(lines 765 783) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3))) [2019-10-22 11:24:29,036 INFO L443 ceAbstractionStarter]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2019-10-22 11:24:29,036 INFO L439 ceAbstractionStarter]: At program point L780-1(lines 765 783) the Hoare annotation is: false [2019-10-22 11:24:29,036 INFO L439 ceAbstractionStarter]: At program point L780-2(lines 765 783) the Hoare annotation is: false [2019-10-22 11:24:29,036 INFO L439 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-10-22 11:24:29,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,036 INFO L439 ceAbstractionStarter]: At program point L799(lines 794 801) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:24:29,036 INFO L443 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-10-22 11:24:29,037 INFO L439 ceAbstractionStarter]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) ~waterLevel~0)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3 .cse5) (and .cse6 .cse7 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse3 .cse5))) [2019-10-22 11:24:29,037 INFO L439 ceAbstractionStarter]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2019-10-22 11:24:29,037 INFO L439 ceAbstractionStarter]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2019-10-22 11:24:29,037 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:24:29,037 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-22 11:24:29,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,037 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:29,037 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-10-22 11:24:29,038 INFO L439 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and (and (and .cse4 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:24:29,038 INFO L446 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2019-10-22 11:24:29,038 INFO L439 ceAbstractionStarter]: At program point L901(lines 897 903) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:24:29,038 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-10-22 11:24:29,038 INFO L439 ceAbstractionStarter]: At program point L605-2(lines 605 609) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and (and (and .cse4 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:24:29,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,038 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2019-10-22 11:24:29,038 INFO L439 ceAbstractionStarter]: At program point L820-1(lines 1 937) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3 .cse6) (and (and (and .cse7 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and .cse7 .cse4 .cse1 .cse2 .cse5 .cse3 .cse6))) [2019-10-22 11:24:29,039 INFO L439 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: false [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L820-2(lines 820 837) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L439 ceAbstractionStarter]: At program point L820-3(lines 1 937) the Hoare annotation is: false [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L820-4(lines 820 837) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L439 ceAbstractionStarter]: At program point L820-5(lines 1 937) the Hoare annotation is: false [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 494) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 672 689) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L672-2(lines 672 689) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:29,039 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L439 ceAbstractionStarter]: At program point L640(lines 636 658) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and .cse3 (= (_ bv2 32) ~waterLevel~0) .cse0 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse1))) [2019-10-22 11:24:29,040 INFO L439 ceAbstractionStarter]: At program point L640-1(lines 636 658) the Hoare annotation is: false [2019-10-22 11:24:29,040 INFO L439 ceAbstractionStarter]: At program point L640-2(lines 636 658) the Hoare annotation is: false [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L774-3(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L774-5(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L774-6(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,040 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L774-8(lines 774 778) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L857-1(lines 857 861) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L824-2(lines 824 834) no Hoare annotation was computed. [2019-10-22 11:24:29,041 INFO L439 ceAbstractionStarter]: At program point L725(lines 720 728) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse7 .cse2 .cse3 .cse4) (and .cse3 (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (and .cse6 .cse7 .cse2 .cse4))))) [2019-10-22 11:24:29,041 INFO L439 ceAbstractionStarter]: At program point L725-1(lines 720 728) the Hoare annotation is: (let ((.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 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 .cse2) (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32)) .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-10-22 11:24:29,041 INFO L443 ceAbstractionStarter]: For program point L824-4(lines 824 834) no Hoare annotation was computed. [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L725-2(lines 720 728) the Hoare annotation is: false [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L725-3(lines 720 728) the Hoare annotation is: false [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L725-4(lines 720 728) the Hoare annotation is: false [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L725-5(lines 720 728) the Hoare annotation is: false [2019-10-22 11:24:29,042 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2019-10-22 11:24:29,042 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 684) no Hoare annotation was computed. [2019-10-22 11:24:29,042 INFO L443 ceAbstractionStarter]: For program point L676-2(lines 676 684) no Hoare annotation was computed. [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 937) 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 11:24:29,042 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-22 11:24:29,042 INFO L439 ceAbstractionStarter]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) ~waterLevel~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and (and (and .cse4 .cse1 .cse3) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 831) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L825-4(lines 825 831) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L443 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-10-22 11:24:29,043 INFO L439 ceAbstractionStarter]: At program point L809(lines 640 646) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= 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 .cse2) (and .cse3 (= (_ bv2 32) ~waterLevel~0) .cse4 .cse0 .cse1 .cse2) (and .cse1 (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (and .cse3 .cse4 .cse0 .cse2))))) [2019-10-22 11:24:29,043 INFO L439 ceAbstractionStarter]: At program point L809-1(lines 640 646) the Hoare annotation is: false [2019-10-22 11:24:29,043 INFO L439 ceAbstractionStarter]: At program point L809-2(lines 640 646) the Hoare annotation is: false [2019-10-22 11:24:29,044 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-10-22 11:24:29,044 INFO L446 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-10-22 11:24:29,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:29 BoogieIcfgContainer [2019-10-22 11:24:29,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:29,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:29,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:29,079 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:29,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:21" (3/4) ... [2019-10-22 11:24:29,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:29,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:29,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:24:29,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:29,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:29,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:29,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:29,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:29,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:29,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:29,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-10-22 11:24:29,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:29,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((0bv32 == pumpRunning && 2bv32 == waterLevel) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-10-22 11:24:29,134 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:29,134 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,134 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-10-22 11:24:29,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4d915d6b-3689-4b28-81cc-4b4f5269556d/bin/utaipan/witness.graphml [2019-10-22 11:24:29,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:29,192 INFO L168 Benchmark]: Toolchain (without parser) took 9514.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 284.2 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 152.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,192 INFO L168 Benchmark]: CDTParser took 0.19 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 11:24:29,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -213.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:29,193 INFO L168 Benchmark]: Boogie Preprocessor took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,193 INFO L168 Benchmark]: RCFGBuilder took 857.60 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,193 INFO L168 Benchmark]: TraceAbstraction took 7827.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.1 MB). Peak memory consumption was 293.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,193 INFO L168 Benchmark]: Witness Printer took 111.92 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:29,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 612.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -213.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 857.60 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7827.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.1 MB). Peak memory consumption was 293.6 MB. Max. memory is 11.5 GB. * Witness Printer took 111.92 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 539]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((((0bv32 == pumpRunning && 2bv32 == waterLevel) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 2bv32 == waterLevel) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 2bv32 == waterLevel) && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((0bv32 == pumpRunning && 2bv32 == waterLevel) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 1168 SDtfs, 1748 SDslu, 2028 SDs, 0 SdLazy, 357 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred 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, 800 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 106 NumberOfFragments, 949 HoareAnnotationTreeSize, 38 FomulaSimplifications, 35943 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 38 FomulaSimplificationsInter, 657 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 46256 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2162 ConjunctsInSsa, 43 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...