./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:47:05,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:05,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:05,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:05,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:05,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:05,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:05,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:05,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:05,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:05,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:05,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:05,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:05,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:05,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:05,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:05,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:05,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:05,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:05,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:05,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:05,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:05,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:05,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:05,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:05,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:05,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:05,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:05,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:05,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:05,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:05,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:05,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:05,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:05,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:05,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:05,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:05,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:05,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:05,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:05,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:05,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:47:05,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:05,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:05,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:05,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:05,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:05,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:05,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:05,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:05,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:05,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:05,406 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:05,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:05,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:05,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:05,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:05,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:05,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:05,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:05,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:05,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:05,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:05,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:05,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:05,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2019-11-25 08:47:05,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:05,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:05,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:05,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:05,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:05,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-25 08:47:05,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/data/7b1de7c3a/441e92b5ab0244ab91ffd343d226a8ca/FLAG8a51e7b93 [2019-11-25 08:47:06,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:06,129 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-25 08:47:06,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/data/7b1de7c3a/441e92b5ab0244ab91ffd343d226a8ca/FLAG8a51e7b93 [2019-11-25 08:47:06,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/data/7b1de7c3a/441e92b5ab0244ab91ffd343d226a8ca [2019-11-25 08:47:06,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:06,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:06,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:06,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:06,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:06,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:06" (1/1) ... [2019-11-25 08:47:06,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566abe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:06, skipping insertion in model container [2019-11-25 08:47:06,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:06" (1/1) ... [2019-11-25 08:47:06,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:06,652 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:07,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:07,022 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:07,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:07,142 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:07,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07 WrapperNode [2019-11-25 08:47:07,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:07,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:07,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:07,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:07,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:07,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:07,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:07,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:07,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... [2019-11-25 08:47:07,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:07,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:07,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:07,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:07,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:47:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:08,315 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:08,316 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-11-25 08:47:08,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:08 BoogieIcfgContainer [2019-11-25 08:47:08,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:08,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:08,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:08,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:08,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:06" (1/3) ... [2019-11-25 08:47:08,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aefb63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:08, skipping insertion in model container [2019-11-25 08:47:08,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:07" (2/3) ... [2019-11-25 08:47:08,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aefb63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:08, skipping insertion in model container [2019-11-25 08:47:08,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:08" (3/3) ... [2019-11-25 08:47:08,331 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-11-25 08:47:08,347 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:08,356 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:47:08,365 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:47:08,395 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:08,395 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:08,396 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:08,396 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:08,397 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:08,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:08,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:08,398 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-25 08:47:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:47:08,425 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:08,426 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:08,427 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:08,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:08,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2019-11-25 08:47:08,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:08,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348477908] [2019-11-25 08:47:08,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:08,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348477908] [2019-11-25 08:47:08,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:08,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:47:08,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109106065] [2019-11-25 08:47:08,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:47:08,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:08,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:47:08,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:08,705 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-25 08:47:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:08,735 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-11-25 08:47:08,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:47:08,736 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-25 08:47:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:08,748 INFO L225 Difference]: With dead ends: 264 [2019-11-25 08:47:08,748 INFO L226 Difference]: Without dead ends: 131 [2019-11-25 08:47:08,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:08,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-25 08:47:08,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-25 08:47:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-25 08:47:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-11-25 08:47:08,793 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-11-25 08:47:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:08,794 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-11-25 08:47:08,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:47:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-11-25 08:47:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 08:47:08,795 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:08,796 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:08,796 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:08,796 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2019-11-25 08:47:08,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:08,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573769178] [2019-11-25 08:47:08,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:08,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573769178] [2019-11-25 08:47:08,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:08,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:47:08,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912387888] [2019-11-25 08:47:08,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:08,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:08,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:08,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:08,883 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-11-25 08:47:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:08,898 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-11-25 08:47:08,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:08,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 08:47:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:08,900 INFO L225 Difference]: With dead ends: 131 [2019-11-25 08:47:08,900 INFO L226 Difference]: Without dead ends: 53 [2019-11-25 08:47:08,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:08,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-25 08:47:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-25 08:47:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-25 08:47:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-25 08:47:08,908 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-11-25 08:47:08,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:08,908 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-25 08:47:08,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-25 08:47:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 08:47:08,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:08,910 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:08,910 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:08,911 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2019-11-25 08:47:08,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:08,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132472422] [2019-11-25 08:47:08,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:09,028 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132472422] [2019-11-25 08:47:09,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:09,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:47:09,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235690103] [2019-11-25 08:47:09,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:47:09,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:09,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:47:09,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:09,033 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2019-11-25 08:47:09,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:09,145 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-11-25 08:47:09,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:47:09,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-25 08:47:09,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:09,151 INFO L225 Difference]: With dead ends: 100 [2019-11-25 08:47:09,151 INFO L226 Difference]: Without dead ends: 53 [2019-11-25 08:47:09,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:09,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-25 08:47:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-25 08:47:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-25 08:47:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-11-25 08:47:09,165 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-11-25 08:47:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:09,166 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-11-25 08:47:09,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:47:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-11-25 08:47:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:47:09,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:09,169 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:09,169 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:09,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:09,170 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2019-11-25 08:47:09,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:09,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813192199] [2019-11-25 08:47:09,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:09,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813192199] [2019-11-25 08:47:09,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:09,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:47:09,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867619352] [2019-11-25 08:47:09,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:47:09,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:09,224 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-11-25 08:47:09,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:09,256 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-11-25 08:47:09,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:09,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:47:09,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:09,258 INFO L225 Difference]: With dead ends: 121 [2019-11-25 08:47:09,258 INFO L226 Difference]: Without dead ends: 74 [2019-11-25 08:47:09,258 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-25 08:47:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-11-25 08:47:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-25 08:47:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-11-25 08:47:09,268 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-11-25 08:47:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:09,268 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-11-25 08:47:09,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:47:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-11-25 08:47:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:47:09,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:09,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:09,270 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:09,270 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2019-11-25 08:47:09,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:09,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453186775] [2019-11-25 08:47:09,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:09,338 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453186775] [2019-11-25 08:47:09,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:09,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:09,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248130203] [2019-11-25 08:47:09,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:47:09,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:09,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:09,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:09,340 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-11-25 08:47:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:09,463 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2019-11-25 08:47:09,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:09,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-25 08:47:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:09,466 INFO L225 Difference]: With dead ends: 253 [2019-11-25 08:47:09,466 INFO L226 Difference]: Without dead ends: 187 [2019-11-25 08:47:09,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:09,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-25 08:47:09,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2019-11-25 08:47:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-25 08:47:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2019-11-25 08:47:09,488 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2019-11-25 08:47:09,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:09,488 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2019-11-25 08:47:09,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:47:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2019-11-25 08:47:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:47:09,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:09,491 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:09,491 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:09,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:09,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2019-11-25 08:47:09,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:09,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573619385] [2019-11-25 08:47:09,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:09,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573619385] [2019-11-25 08:47:09,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:09,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:09,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024544193] [2019-11-25 08:47:09,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:47:09,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:09,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:09,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:09,602 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 5 states. [2019-11-25 08:47:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:09,736 INFO L93 Difference]: Finished difference Result 247 states and 347 transitions. [2019-11-25 08:47:09,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:47:09,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:47:09,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:09,738 INFO L225 Difference]: With dead ends: 247 [2019-11-25 08:47:09,738 INFO L226 Difference]: Without dead ends: 245 [2019-11-25 08:47:09,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:47:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-25 08:47:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 115. [2019-11-25 08:47:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-25 08:47:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 157 transitions. [2019-11-25 08:47:09,770 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 157 transitions. Word has length 31 [2019-11-25 08:47:09,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:09,771 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 157 transitions. [2019-11-25 08:47:09,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:47:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2019-11-25 08:47:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:47:09,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:09,777 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:09,778 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1640626781, now seen corresponding path program 1 times [2019-11-25 08:47:09,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:09,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905678770] [2019-11-25 08:47:09,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:09,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905678770] [2019-11-25 08:47:09,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:09,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:47:09,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027873342] [2019-11-25 08:47:09,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:47:09,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:09,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:09,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:09,844 INFO L87 Difference]: Start difference. First operand 115 states and 157 transitions. Second operand 5 states. [2019-11-25 08:47:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:09,926 INFO L93 Difference]: Finished difference Result 307 states and 418 transitions. [2019-11-25 08:47:09,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:09,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-25 08:47:09,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:09,928 INFO L225 Difference]: With dead ends: 307 [2019-11-25 08:47:09,928 INFO L226 Difference]: Without dead ends: 198 [2019-11-25 08:47:09,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:47:09,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-25 08:47:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 124. [2019-11-25 08:47:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-25 08:47:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2019-11-25 08:47:09,949 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 34 [2019-11-25 08:47:09,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:09,949 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2019-11-25 08:47:09,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:47:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2019-11-25 08:47:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:47:09,954 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:09,954 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:09,954 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:09,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2067534501, now seen corresponding path program 1 times [2019-11-25 08:47:09,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:09,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151883104] [2019-11-25 08:47:09,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:10,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151883104] [2019-11-25 08:47:10,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:10,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:47:10,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970734742] [2019-11-25 08:47:10,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:47:10,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:10,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:47:10,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:47:10,003 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 4 states. [2019-11-25 08:47:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:10,078 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2019-11-25 08:47:10,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:10,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-25 08:47:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:10,080 INFO L225 Difference]: With dead ends: 265 [2019-11-25 08:47:10,080 INFO L226 Difference]: Without dead ends: 147 [2019-11-25 08:47:10,081 INFO L630 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 [2019-11-25 08:47:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-25 08:47:10,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 106. [2019-11-25 08:47:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-25 08:47:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2019-11-25 08:47:10,096 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 34 [2019-11-25 08:47:10,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:10,097 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2019-11-25 08:47:10,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:47:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2019-11-25 08:47:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:47:10,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:10,102 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:10,102 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:10,103 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2019-11-25 08:47:10,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:10,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294701187] [2019-11-25 08:47:10,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:10,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294701187] [2019-11-25 08:47:10,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:10,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:47:10,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607344999] [2019-11-25 08:47:10,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:47:10,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:10,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:10,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:10,173 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand 5 states. [2019-11-25 08:47:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:10,294 INFO L93 Difference]: Finished difference Result 289 states and 390 transitions. [2019-11-25 08:47:10,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:10,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-25 08:47:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:10,297 INFO L225 Difference]: With dead ends: 289 [2019-11-25 08:47:10,297 INFO L226 Difference]: Without dead ends: 213 [2019-11-25 08:47:10,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:10,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-25 08:47:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2019-11-25 08:47:10,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-25 08:47:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2019-11-25 08:47:10,317 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 34 [2019-11-25 08:47:10,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:10,319 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2019-11-25 08:47:10,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:47:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2019-11-25 08:47:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-25 08:47:10,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:10,321 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:10,321 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:10,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:10,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2019-11-25 08:47:10,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:10,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217051131] [2019-11-25 08:47:10,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:10,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217051131] [2019-11-25 08:47:10,424 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309354106] [2019-11-25 08:47:10,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:47:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:10,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:47:10,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:10,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:47:10,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-25 08:47:10,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136934266] [2019-11-25 08:47:10,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:47:10,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:10,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:47:10,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:10,630 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand 6 states. [2019-11-25 08:47:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:10,807 INFO L93 Difference]: Finished difference Result 459 states and 612 transitions. [2019-11-25 08:47:10,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:47:10,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-25 08:47:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:10,810 INFO L225 Difference]: With dead ends: 459 [2019-11-25 08:47:10,810 INFO L226 Difference]: Without dead ends: 342 [2019-11-25 08:47:10,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:47:10,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-11-25 08:47:10,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 201. [2019-11-25 08:47:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-25 08:47:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 264 transitions. [2019-11-25 08:47:10,830 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 264 transitions. Word has length 55 [2019-11-25 08:47:10,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:10,830 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 264 transitions. [2019-11-25 08:47:10,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:47:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2019-11-25 08:47:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-25 08:47:10,832 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:10,832 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:11,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:47:11,038 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:11,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:11,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1916895271, now seen corresponding path program 2 times [2019-11-25 08:47:11,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:11,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426094593] [2019-11-25 08:47:11,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:47:11,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426094593] [2019-11-25 08:47:11,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:11,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:47:11,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901193700] [2019-11-25 08:47:11,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:47:11,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:11,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:47:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:47:11,190 INFO L87 Difference]: Start difference. First operand 201 states and 264 transitions. Second operand 5 states. [2019-11-25 08:47:11,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:11,336 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2019-11-25 08:47:11,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:47:11,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-25 08:47:11,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:11,339 INFO L225 Difference]: With dead ends: 590 [2019-11-25 08:47:11,339 INFO L226 Difference]: Without dead ends: 418 [2019-11-25 08:47:11,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-25 08:47:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 277. [2019-11-25 08:47:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-25 08:47:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 361 transitions. [2019-11-25 08:47:11,364 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 361 transitions. Word has length 76 [2019-11-25 08:47:11,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:11,365 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 361 transitions. [2019-11-25 08:47:11,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:47:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 361 transitions. [2019-11-25 08:47:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-25 08:47:11,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:11,366 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:11,366 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash -2103312411, now seen corresponding path program 1 times [2019-11-25 08:47:11,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:11,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515314736] [2019-11-25 08:47:11,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-25 08:47:11,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515314736] [2019-11-25 08:47:11,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:11,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:47:11,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252885209] [2019-11-25 08:47:11,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:47:11,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:11,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:47:11,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:47:11,432 INFO L87 Difference]: Start difference. First operand 277 states and 361 transitions. Second operand 7 states. [2019-11-25 08:47:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:11,547 INFO L93 Difference]: Finished difference Result 516 states and 673 transitions. [2019-11-25 08:47:11,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:47:11,548 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-11-25 08:47:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:11,548 INFO L225 Difference]: With dead ends: 516 [2019-11-25 08:47:11,548 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:47:11,549 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:47:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:47:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:47:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:47:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:47:11,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-25 08:47:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:11,550 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:47:11,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:47:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:47:11,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:11,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:47:11,901 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-11-25 08:47:12,518 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-11-25 08:47:12,819 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-25 08:47:12,998 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-11-25 08:47:13,350 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2019-11-25 08:47:13,702 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 21 [2019-11-25 08:47:13,957 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2019-11-25 08:47:14,150 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-11-25 08:47:14,420 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2019-11-25 08:47:14,507 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,507 INFO L440 ceAbstractionStarter]: At program point L498(lines 493 501) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-25 08:47:14,507 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:47:14,507 INFO L444 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:47:14,507 INFO L444 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:47:14,507 INFO L444 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-5(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-8(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-9(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-11(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-12(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-14(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,508 INFO L444 ceAbstractionStarter]: For program point L304-15(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,509 INFO L444 ceAbstractionStarter]: For program point L304-17(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:47:14,509 INFO L440 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3))) [2019-11-25 08:47:14,509 INFO L440 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-11-25 08:47:14,509 INFO L440 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-11-25 08:47:14,509 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-11-25 08:47:14,509 INFO L440 ceAbstractionStarter]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 (= ~pumpRunning~0 0) .cse3))) [2019-11-25 08:47:14,509 INFO L440 ceAbstractionStarter]: At program point L405(lines 400 408) the Hoare annotation is: false [2019-11-25 08:47:14,510 INFO L440 ceAbstractionStarter]: At program point L405-1(lines 400 408) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:47:14,510 INFO L440 ceAbstractionStarter]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2019-11-25 08:47:14,510 INFO L440 ceAbstractionStarter]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2019-11-25 08:47:14,510 INFO L440 ceAbstractionStarter]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2019-11-25 08:47:14,510 INFO L440 ceAbstractionStarter]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2019-11-25 08:47:14,510 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,510 INFO L444 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,510 INFO L444 ceAbstractionStarter]: For program point L969-1(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,510 INFO L444 ceAbstractionStarter]: For program point L969-2(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310(lines 295 313) the Hoare annotation is: false [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310-1(lines 295 313) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310-2(lines 295 313) the Hoare annotation is: false [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310-3(lines 295 313) the Hoare annotation is: false [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310-4(lines 295 313) the Hoare annotation is: false [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L310-5(lines 295 313) the Hoare annotation is: false [2019-11-25 08:47:14,511 INFO L444 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:47:14,511 INFO L440 ceAbstractionStarter]: At program point L344-1(lines 1 972) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= 1 ~waterLevel~0) .cse4 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse4 .cse3))) [2019-11-25 08:47:14,511 INFO L444 ceAbstractionStarter]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L344-3(lines 1 972) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L444 ceAbstractionStarter]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L344-5(lines 1 972) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246(lines 239 249) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246-1(lines 239 249) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246-2(lines 239 249) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246-3(lines 239 249) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246-4(lines 239 249) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L440 ceAbstractionStarter]: At program point L246-5(lines 239 249) the Hoare annotation is: false [2019-11-25 08:47:14,512 INFO L444 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:47:14,513 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L440 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2019-11-25 08:47:14,514 INFO L444 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L444 ceAbstractionStarter]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L444 ceAbstractionStarter]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:14,514 INFO L440 ceAbstractionStarter]: At program point L450(lines 441 454) the Hoare annotation is: false [2019-11-25 08:47:14,514 INFO L440 ceAbstractionStarter]: At program point L450-1(lines 441 454) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2019-11-25 08:47:14,514 INFO L440 ceAbstractionStarter]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2019-11-25 08:47:14,514 INFO L440 ceAbstractionStarter]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2019-11-25 08:47:14,515 INFO L440 ceAbstractionStarter]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2019-11-25 08:47:14,515 INFO L440 ceAbstractionStarter]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L518-1(lines 126 132) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L221-2(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2019-11-25 08:47:14,515 INFO L444 ceAbstractionStarter]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L221-4(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L221-6(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L221-8(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L221-10(lines 221 227) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2019-11-25 08:47:14,516 INFO L447 ceAbstractionStarter]: At program point L585-1(lines 585 592) the Hoare annotation is: true [2019-11-25 08:47:14,516 INFO L440 ceAbstractionStarter]: At program point L255(lines 250 258) the Hoare annotation is: false [2019-11-25 08:47:14,516 INFO L440 ceAbstractionStarter]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2019-11-25 08:47:14,516 INFO L440 ceAbstractionStarter]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2019-11-25 08:47:14,516 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 126 132) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L323-3(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,517 INFO L444 ceAbstractionStarter]: For program point L323-5(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,519 INFO L444 ceAbstractionStarter]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,519 INFO L444 ceAbstractionStarter]: For program point L323-6(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,519 INFO L444 ceAbstractionStarter]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L444 ceAbstractionStarter]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L444 ceAbstractionStarter]: For program point L323-8(lines 323 327) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L444 ceAbstractionStarter]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L444 ceAbstractionStarter]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L440 ceAbstractionStarter]: At program point L126(lines 125 144) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:47:14,520 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2019-11-25 08:47:14,520 INFO L440 ceAbstractionStarter]: At program point L126-2(lines 125 144) the Hoare annotation is: false [2019-11-25 08:47:14,521 INFO L440 ceAbstractionStarter]: At program point L126-3(lines 125 144) the Hoare annotation is: false [2019-11-25 08:47:14,521 INFO L440 ceAbstractionStarter]: At program point L490(lines 1 972) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:47:14,521 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:14,521 INFO L444 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-25 08:47:14,521 INFO L444 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,521 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,522 INFO L444 ceAbstractionStarter]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,522 INFO L444 ceAbstractionStarter]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,522 INFO L444 ceAbstractionStarter]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,522 INFO L444 ceAbstractionStarter]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2019-11-25 08:47:14,522 INFO L440 ceAbstractionStarter]: At program point L460(lines 455 463) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:47:14,522 INFO L440 ceAbstractionStarter]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2019-11-25 08:47:14,523 INFO L440 ceAbstractionStarter]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2019-11-25 08:47:14,523 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-11-25 08:47:14,523 INFO L440 ceAbstractionStarter]: At program point L64-1(lines 64 70) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 (= ~pumpRunning~0 0) .cse3))) [2019-11-25 08:47:14,523 INFO L440 ceAbstractionStarter]: At program point L329(lines 314 332) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:47:14,523 INFO L440 ceAbstractionStarter]: At program point L329-1(lines 314 332) the Hoare annotation is: false [2019-11-25 08:47:14,524 INFO L440 ceAbstractionStarter]: At program point L329-2(lines 314 332) the Hoare annotation is: false [2019-11-25 08:47:14,524 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:47:14,524 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-25 08:47:14,524 INFO L447 ceAbstractionStarter]: At program point L594(lines 575 597) the Hoare annotation is: true [2019-11-25 08:47:14,524 INFO L440 ceAbstractionStarter]: At program point L562(lines 558 564) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~7) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-25 08:47:14,525 INFO L440 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse3))) [2019-11-25 08:47:14,525 INFO L440 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: false [2019-11-25 08:47:14,525 INFO L440 ceAbstractionStarter]: At program point L133-1(lines 133 139) the Hoare annotation is: false [2019-11-25 08:47:14,525 INFO L440 ceAbstractionStarter]: At program point L133-2(lines 133 139) the Hoare annotation is: false [2019-11-25 08:47:14,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:14 BoogieIcfgContainer [2019-11-25 08:47:14,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:14,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:14,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:14,549 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:14,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:08" (3/4) ... [2019-11-25 08:47:14,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:47:14,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:47:14,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:47:14,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:47:14,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:47:14,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:47:14,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:47:14,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:47:14,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-25 08:47:14,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-25 08:47:14,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && 2 <= tmp) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && 1 <= tmp) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-25 08:47:14,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || ((((((1 == systemActive && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-25 08:47:14,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-25 08:47:14,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:47:14,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:47:14,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:47:14,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_49e79ff5-d002-49b8-a1a3-815209d12f25/bin/uautomizer/witness.graphml [2019-11-25 08:47:14,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:14,707 INFO L168 Benchmark]: Toolchain (without parser) took 8120.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 950.1 MB in the beginning and 960.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,708 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:14,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,709 INFO L168 Benchmark]: Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,709 INFO L168 Benchmark]: RCFGBuilder took 1039.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,710 INFO L168 Benchmark]: TraceAbstraction took 6230.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 975.3 MB in the end (delta: 61.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,710 INFO L168 Benchmark]: Witness Printer took 157.17 ms. Allocated memory is still 1.2 GB. Free memory was 975.3 MB in the beginning and 960.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:14,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1039.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6230.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 975.3 MB in the end (delta: 61.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. * Witness Printer took 157.17 ms. Allocated memory is still 1.2 GB. Free memory was 975.3 MB in the beginning and 960.5 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: 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: 455]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && 2 <= tmp) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && 1 <= tmp) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || ((((((1 == systemActive && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || (((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 6.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1317 SDtfs, 1966 SDslu, 1914 SDs, 0 SdLazy, 309 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 667 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 140 NumberOfFragments, 485 HoareAnnotationTreeSize, 54 FomulaSimplifications, 213081 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 66025 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 40889 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 120/126 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...