./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/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 a22c1e90e019171affadaeb315d0122780579e6b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:46:10,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:46:10,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:46:10,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:46:10,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:46:10,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:46:10,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:46:10,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:46:10,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:46:10,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:46:10,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:46:10,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:46:10,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:46:10,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:46:10,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:46:10,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:46:10,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:46:10,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:46:10,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:46:10,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:46:10,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:46:10,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:46:10,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:46:10,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:46:10,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:46:10,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:46:10,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:46:10,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:46:10,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:46:10,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:46:10,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:46:10,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:46:10,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:46:10,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:46:10,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:46:10,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:46:10,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:46:10,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:46:10,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:46:10,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:46:10,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:46:10,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:46:10,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:46:10,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:46:10,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:46:10,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:46:10,389 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:46:10,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:46:10,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:46:10,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:46:10,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:46:10,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:46:10,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:46:10,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:46:10,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:46:10,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:46:10,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:46:10,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:46:10,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:46:10,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:46:10,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:46:10,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:46:10,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:46:10,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:46:10,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:46:10,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:46:10,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:46:10,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:46:10,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:46:10,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:46:10,396 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_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/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 -> a22c1e90e019171affadaeb315d0122780579e6b [2019-11-20 10:46:10,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:46:10,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:46:10,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:46:10,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:46:10,630 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:46:10,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2019-11-20 10:46:10,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/data/7fb81321e/9caa21e2ce0f45ca9ee372721ff458ba/FLAG53447b4bf [2019-11-20 10:46:11,288 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:46:11,289 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2019-11-20 10:46:11,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/data/7fb81321e/9caa21e2ce0f45ca9ee372721ff458ba/FLAG53447b4bf [2019-11-20 10:46:11,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/data/7fb81321e/9caa21e2ce0f45ca9ee372721ff458ba [2019-11-20 10:46:11,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:46:11,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:46:11,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:46:11,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:46:11,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:46:11,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:11" (1/1) ... [2019-11-20 10:46:11,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389382a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:11, skipping insertion in model container [2019-11-20 10:46:11,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:11" (1/1) ... [2019-11-20 10:46:11,596 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:46:11,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:46:12,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:46:12,139 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:46:12,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:46:12,285 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:46:12,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12 WrapperNode [2019-11-20 10:46:12,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:46:12,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:46:12,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:46:12,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:46:12,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:46:12,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:46:12,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:46:12,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:46:12,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... [2019-11-20 10:46:12,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:46:12,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:46:12,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:46:12,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:46:12,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/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 [2019-11-20 10:46:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:46:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:46:12,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:46:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:46:13,464 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:46:13,465 INFO L285 CfgBuilder]: Removed 134 assume(true) statements. [2019-11-20 10:46:13,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:13 BoogieIcfgContainer [2019-11-20 10:46:13,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:46:13,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:46:13,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:46:13,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:46:13,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:11" (1/3) ... [2019-11-20 10:46:13,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d74193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:13, skipping insertion in model container [2019-11-20 10:46:13,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:12" (2/3) ... [2019-11-20 10:46:13,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d74193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:13, skipping insertion in model container [2019-11-20 10:46:13,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:13" (3/3) ... [2019-11-20 10:46:13,481 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2019-11-20 10:46:13,493 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:46:13,501 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 10:46:13,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 10:46:13,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:46:13,558 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:46:13,558 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:46:13,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:46:13,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:46:13,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:46:13,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:46:13,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:46:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-11-20 10:46:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:46:13,583 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:13,584 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:46:13,584 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:13,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:13,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2019-11-20 10:46:13,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:13,598 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143335163] [2019-11-20 10:46:13,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:13,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143335163] [2019-11-20 10:46:13,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:13,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:46:13,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873717169] [2019-11-20 10:46:13,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:46:13,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:13,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:46:13,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:46:13,942 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2019-11-20 10:46:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:13,979 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2019-11-20 10:46:13,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:46:13,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 10:46:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:13,994 INFO L225 Difference]: With dead ends: 189 [2019-11-20 10:46:13,994 INFO L226 Difference]: Without dead ends: 94 [2019-11-20 10:46:13,998 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 [2019-11-20 10:46:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-20 10:46:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-20 10:46:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-20 10:46:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2019-11-20 10:46:14,051 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2019-11-20 10:46:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:14,051 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2019-11-20 10:46:14,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:46:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2019-11-20 10:46:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:46:14,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:14,054 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] [2019-11-20 10:46:14,054 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:14,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:14,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2019-11-20 10:46:14,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:14,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226230608] [2019-11-20 10:46:14,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:14,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226230608] [2019-11-20 10:46:14,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:14,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:46:14,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007183350] [2019-11-20 10:46:14,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:46:14,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:14,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:46:14,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:46:14,174 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2019-11-20 10:46:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:14,195 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2019-11-20 10:46:14,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:46:14,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 10:46:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:14,198 INFO L225 Difference]: With dead ends: 94 [2019-11-20 10:46:14,198 INFO L226 Difference]: Without dead ends: 43 [2019-11-20 10:46:14,200 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 [2019-11-20 10:46:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-20 10:46:14,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-20 10:46:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-20 10:46:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-11-20 10:46:14,207 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2019-11-20 10:46:14,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:14,207 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-11-20 10:46:14,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:46:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-11-20 10:46:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:46:14,209 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:14,209 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] [2019-11-20 10:46:14,210 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:14,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:14,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2019-11-20 10:46:14,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:14,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502781376] [2019-11-20 10:46:14,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:14,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502781376] [2019-11-20 10:46:14,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:14,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:46:14,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004704780] [2019-11-20 10:46:14,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:46:14,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:14,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:46:14,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:46:14,316 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 3 states. [2019-11-20 10:46:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:14,400 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2019-11-20 10:46:14,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:46:14,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 10:46:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:14,405 INFO L225 Difference]: With dead ends: 115 [2019-11-20 10:46:14,405 INFO L226 Difference]: Without dead ends: 79 [2019-11-20 10:46:14,406 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 [2019-11-20 10:46:14,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-20 10:46:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2019-11-20 10:46:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-20 10:46:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2019-11-20 10:46:14,430 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 26 [2019-11-20 10:46:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:14,431 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2019-11-20 10:46:14,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:46:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2019-11-20 10:46:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 10:46:14,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:14,440 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] [2019-11-20 10:46:14,440 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:14,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:14,441 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2019-11-20 10:46:14,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:14,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495155621] [2019-11-20 10:46:14,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:14,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495155621] [2019-11-20 10:46:14,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:14,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:46:14,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785564727] [2019-11-20 10:46:14,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:46:14,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:14,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:46:14,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:46:14,598 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand 3 states. [2019-11-20 10:46:14,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:14,656 INFO L93 Difference]: Finished difference Result 190 states and 279 transitions. [2019-11-20 10:46:14,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:46:14,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-20 10:46:14,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:14,659 INFO L225 Difference]: With dead ends: 190 [2019-11-20 10:46:14,659 INFO L226 Difference]: Without dead ends: 122 [2019-11-20 10:46:14,661 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 [2019-11-20 10:46:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-20 10:46:14,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-11-20 10:46:14,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-20 10:46:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2019-11-20 10:46:14,695 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 27 [2019-11-20 10:46:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:14,696 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2019-11-20 10:46:14,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:46:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2019-11-20 10:46:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 10:46:14,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:14,704 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] [2019-11-20 10:46:14,704 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:14,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:14,705 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2019-11-20 10:46:14,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:14,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465480964] [2019-11-20 10:46:14,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:14,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465480964] [2019-11-20 10:46:14,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:14,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:46:14,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326376203] [2019-11-20 10:46:14,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:46:14,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:14,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:46:14,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:46:14,818 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand 5 states. [2019-11-20 10:46:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:15,048 INFO L93 Difference]: Finished difference Result 435 states and 625 transitions. [2019-11-20 10:46:15,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 10:46:15,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-20 10:46:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:15,056 INFO L225 Difference]: With dead ends: 435 [2019-11-20 10:46:15,058 INFO L226 Difference]: Without dead ends: 322 [2019-11-20 10:46:15,062 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 [2019-11-20 10:46:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-11-20 10:46:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 118. [2019-11-20 10:46:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-20 10:46:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2019-11-20 10:46:15,101 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 29 [2019-11-20 10:46:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:15,102 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2019-11-20 10:46:15,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:46:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2019-11-20 10:46:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:46:15,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:15,104 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, 1, 1] [2019-11-20 10:46:15,104 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:15,105 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2019-11-20 10:46:15,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:15,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141477414] [2019-11-20 10:46:15,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:15,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141477414] [2019-11-20 10:46:15,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:15,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:46:15,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600813471] [2019-11-20 10:46:15,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:46:15,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:15,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:46:15,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:46:15,207 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand 5 states. [2019-11-20 10:46:15,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:15,308 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2019-11-20 10:46:15,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:46:15,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 10:46:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:15,311 INFO L225 Difference]: With dead ends: 321 [2019-11-20 10:46:15,311 INFO L226 Difference]: Without dead ends: 210 [2019-11-20 10:46:15,312 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 [2019-11-20 10:46:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-11-20 10:46:15,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 124. [2019-11-20 10:46:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-20 10:46:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2019-11-20 10:46:15,331 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 36 [2019-11-20 10:46:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:15,332 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2019-11-20 10:46:15,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:46:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2019-11-20 10:46:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:46:15,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:15,334 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, 1, 1] [2019-11-20 10:46:15,334 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:15,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2019-11-20 10:46:15,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:15,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411065902] [2019-11-20 10:46:15,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:15,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411065902] [2019-11-20 10:46:15,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:15,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:46:15,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734022555] [2019-11-20 10:46:15,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:46:15,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:15,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:46:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:46:15,436 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand 5 states. [2019-11-20 10:46:15,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:15,601 INFO L93 Difference]: Finished difference Result 348 states and 476 transitions. [2019-11-20 10:46:15,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 10:46:15,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 10:46:15,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:15,605 INFO L225 Difference]: With dead ends: 348 [2019-11-20 10:46:15,605 INFO L226 Difference]: Without dead ends: 231 [2019-11-20 10:46:15,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:46:15,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-20 10:46:15,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 128. [2019-11-20 10:46:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-20 10:46:15,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions. [2019-11-20 10:46:15,624 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 36 [2019-11-20 10:46:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:15,625 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions. [2019-11-20 10:46:15,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:46:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2019-11-20 10:46:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:46:15,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:15,627 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, 1, 1] [2019-11-20 10:46:15,628 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:15,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:15,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2019-11-20 10:46:15,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:15,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325359650] [2019-11-20 10:46:15,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:15,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325359650] [2019-11-20 10:46:15,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:15,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:46:15,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162902088] [2019-11-20 10:46:15,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:46:15,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:15,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:46:15,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:46:15,695 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand 3 states. [2019-11-20 10:46:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:15,736 INFO L93 Difference]: Finished difference Result 305 states and 418 transitions. [2019-11-20 10:46:15,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:46:15,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-20 10:46:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:15,739 INFO L225 Difference]: With dead ends: 305 [2019-11-20 10:46:15,739 INFO L226 Difference]: Without dead ends: 184 [2019-11-20 10:46:15,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:46:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-20 10:46:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-11-20 10:46:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-20 10:46:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2019-11-20 10:46:15,765 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 36 [2019-11-20 10:46:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:15,766 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2019-11-20 10:46:15,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:46:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2019-11-20 10:46:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 10:46:15,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:15,770 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, 1, 1, 1] [2019-11-20 10:46:15,771 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:15,771 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2019-11-20 10:46:15,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:15,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325492027] [2019-11-20 10:46:15,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:15,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325492027] [2019-11-20 10:46:15,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:46:15,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 10:46:15,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576849359] [2019-11-20 10:46:15,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:46:15,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:15,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:46:15,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:46:15,991 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand 6 states. [2019-11-20 10:46:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:16,258 INFO L93 Difference]: Finished difference Result 689 states and 945 transitions. [2019-11-20 10:46:16,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 10:46:16,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-20 10:46:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:16,264 INFO L225 Difference]: With dead ends: 689 [2019-11-20 10:46:16,264 INFO L226 Difference]: Without dead ends: 568 [2019-11-20 10:46:16,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 10:46:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-11-20 10:46:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 269. [2019-11-20 10:46:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-20 10:46:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 354 transitions. [2019-11-20 10:46:16,299 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 354 transitions. Word has length 37 [2019-11-20 10:46:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:16,299 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 354 transitions. [2019-11-20 10:46:16,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:46:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 354 transitions. [2019-11-20 10:46:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:46:16,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:46:16,302 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:46:16,303 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:46:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:46:16,303 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2019-11-20 10:46:16,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:46:16,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398954427] [2019-11-20 10:46:16,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:46:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:16,403 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398954427] [2019-11-20 10:46:16,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382720940] [2019-11-20 10:46:16,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/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 [2019-11-20 10:46:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:46:16,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:46:16,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:46:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:46:16,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:46:16,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-20 10:46:16,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771935341] [2019-11-20 10:46:16,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 10:46:16,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:46:16,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 10:46:16,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:46:16,655 INFO L87 Difference]: Start difference. First operand 269 states and 354 transitions. Second operand 9 states. [2019-11-20 10:46:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:46:17,034 INFO L93 Difference]: Finished difference Result 507 states and 677 transitions. [2019-11-20 10:46:17,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 10:46:17,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-11-20 10:46:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:46:17,035 INFO L225 Difference]: With dead ends: 507 [2019-11-20 10:46:17,036 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:46:17,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-11-20 10:46:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:46:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:46:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:46:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:46:17,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-20 10:46:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:46:17,038 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:46:17,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 10:46:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:46:17,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:46:17,247 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:46:17,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:46:17,368 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2019-11-20 10:46:17,935 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2019-11-20 10:46:18,290 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-11-20 10:46:18,456 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2019-11-20 10:46:18,613 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2019-11-20 10:46:18,890 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21 [2019-11-20 10:46:19,008 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2019-11-20 10:46:19,220 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2019-11-20 10:46:19,414 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2019-11-20 10:46:19,780 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 21 [2019-11-20 10:46:19,967 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-20 10:46:20,313 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 21 [2019-11-20 10:46:20,552 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 13 [2019-11-20 10:46:20,802 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2019-11-20 10:46:20,826 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,827 INFO L440 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 (<= ~waterLevel~0 1) .cse1))) [2019-11-20 10:46:20,827 INFO L440 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: false [2019-11-20 10:46:20,827 INFO L440 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-20 10:46:20,827 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:46:20,827 INFO L444 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-20 10:46:20,827 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-20 10:46:20,827 INFO L440 ceAbstractionStarter]: At program point L879(lines 875 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 10:46:20,827 INFO L444 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-20 10:46:20,828 INFO L440 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (or .cse3 (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse1)))) [2019-11-20 10:46:20,828 INFO L440 ceAbstractionStarter]: At program point L533-1(lines 533 539) the Hoare annotation is: false [2019-11-20 10:46:20,828 INFO L440 ceAbstractionStarter]: At program point L533-2(lines 533 539) the Hoare annotation is: false [2019-11-20 10:46:20,828 INFO L447 ceAbstractionStarter]: At program point L913(lines 894 916) the Hoare annotation is: true [2019-11-20 10:46:20,828 INFO L440 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: false [2019-11-20 10:46:20,828 INFO L440 ceAbstractionStarter]: At program point L815(lines 810 818) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 10:46:20,828 INFO L444 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-11-20 10:46:20,829 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2019-11-20 10:46:20,829 INFO L440 ceAbstractionStarter]: At program point L733-1(lines 733 739) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (or .cse3 (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse1)))) [2019-11-20 10:46:20,829 INFO L440 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= ~pumpRunning~0 0) .cse0) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse0) (and .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 .cse0)))) [2019-11-20 10:46:20,829 INFO L440 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-11-20 10:46:20,829 INFO L440 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L684(lines 669 687) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse0 .cse1) (<= ~waterLevel~0 1)))) [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L684-1(lines 669 687) the Hoare annotation is: false [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L684-2(lines 669 687) the Hoare annotation is: false [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L933(lines 928 935) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 10:46:20,830 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L620(lines 613 623) the Hoare annotation is: (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:46:20,830 INFO L440 ceAbstractionStarter]: At program point L620-1(lines 613 623) the Hoare annotation is: false [2019-11-20 10:46:20,831 INFO L440 ceAbstractionStarter]: At program point L620-2(lines 613 623) the Hoare annotation is: false [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L835-1(lines 835 839) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2019-11-20 10:46:20,831 INFO L447 ceAbstractionStarter]: At program point L904-1(lines 904 911) the Hoare annotation is: true [2019-11-20 10:46:20,831 INFO L444 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2019-11-20 10:46:20,832 INFO L440 ceAbstractionStarter]: At program point L954-1(lines 1 974) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (or .cse1 (<= ~waterLevel~0 1)))) (or (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse3)))) [2019-11-20 10:46:20,832 INFO L444 ceAbstractionStarter]: For program point L954-2(lines 954 971) no Hoare annotation was computed. [2019-11-20 10:46:20,832 INFO L440 ceAbstractionStarter]: At program point L954-3(lines 1 974) the Hoare annotation is: false [2019-11-20 10:46:20,832 INFO L444 ceAbstractionStarter]: For program point L954-4(lines 954 971) no Hoare annotation was computed. [2019-11-20 10:46:20,832 INFO L440 ceAbstractionStarter]: At program point L954-5(lines 1 974) the Hoare annotation is: false [2019-11-20 10:46:20,832 INFO L444 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2019-11-20 10:46:20,832 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 558 575) no Hoare annotation was computed. [2019-11-20 10:46:20,832 INFO L444 ceAbstractionStarter]: For program point L558-2(lines 558 575) no Hoare annotation was computed. [2019-11-20 10:46:20,833 INFO L440 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: false [2019-11-20 10:46:20,833 INFO L444 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,833 INFO L444 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,833 INFO L444 ceAbstractionStarter]: For program point L922-2(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,833 INFO L444 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2019-11-20 10:46:20,833 INFO L440 ceAbstractionStarter]: At program point L526(lines 522 544) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2019-11-20 10:46:20,833 INFO L440 ceAbstractionStarter]: At program point L526-1(lines 522 544) the Hoare annotation is: false [2019-11-20 10:46:20,834 INFO L440 ceAbstractionStarter]: At program point L526-2(lines 522 544) the Hoare annotation is: false [2019-11-20 10:46:20,834 INFO L440 ceAbstractionStarter]: At program point L807(lines 1 974) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2019-11-20 10:46:20,834 INFO L440 ceAbstractionStarter]: At program point L692-1(lines 692 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:46:20,834 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L440 ceAbstractionStarter]: At program point L743-1(lines 743 749) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (or .cse3 (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse1)))) [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L958-2(lines 958 968) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L958-4(lines 958 968) no Hoare annotation was computed. [2019-11-20 10:46:20,835 INFO L444 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 562 570) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L595-2(lines 595 601) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L562-2(lines 562 570) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L595-4(lines 595 601) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678-3(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678-5(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678-6(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2019-11-20 10:46:20,836 INFO L444 ceAbstractionStarter]: For program point L678-8(lines 678 682) no Hoare annotation was computed. [2019-11-20 10:46:20,837 INFO L444 ceAbstractionStarter]: For program point L959-2(lines 959 965) no Hoare annotation was computed. [2019-11-20 10:46:20,837 INFO L444 ceAbstractionStarter]: For program point L959-4(lines 959 965) no Hoare annotation was computed. [2019-11-20 10:46:20,837 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2019-11-20 10:46:20,837 INFO L440 ceAbstractionStarter]: At program point L761-1(lines 1 974) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (or .cse3 (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse1)))) [2019-11-20 10:46:20,837 INFO L440 ceAbstractionStarter]: At program point L629(lines 624 632) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3)))) [2019-11-20 10:46:20,837 INFO L440 ceAbstractionStarter]: At program point L629-1(lines 624 632) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse0))) [2019-11-20 10:46:20,837 INFO L440 ceAbstractionStarter]: At program point L629-2(lines 624 632) the Hoare annotation is: false [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L629-3(lines 624 632) the Hoare annotation is: false [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L629-4(lines 624 632) the Hoare annotation is: false [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L629-5(lines 624 632) the Hoare annotation is: false [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L943(lines 526 532) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L943-1(lines 526 532) the Hoare annotation is: false [2019-11-20 10:46:20,838 INFO L440 ceAbstractionStarter]: At program point L943-2(lines 526 532) the Hoare annotation is: false [2019-11-20 10:46:20,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:46:20 BoogieIcfgContainer [2019-11-20 10:46:20,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:46:20,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:46:20,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:46:20,880 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:46:20,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:13" (3/4) ... [2019-11-20 10:46:20,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:46:20,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 10:46:20,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 10:46:20,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 10:46:20,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:46:20,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:46:20,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:46:20,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,948 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,948 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 10:46:20,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 10:46:20,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 <= pumpRunning && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter) [2019-11-20 10:46:20,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || (((!(\result == 0) && pumpRunning == 0) && waterLevel <= 1) && 0 == splverifierCounter) [2019-11-20 10:46:20,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 10:46:20,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) [2019-11-20 10:46:21,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8fae1fb-5307-41aa-994c-1dcaf88f0c31/bin/uautomizer/witness.graphml [2019-11-20 10:46:21,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:46:21,041 INFO L168 Benchmark]: Toolchain (without parser) took 9463.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:46:21,041 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-20 10:46:21,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:46:21,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.83 ms. Allocated memory is still 1.1 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. [2019-11-20 10:46:21,043 INFO L168 Benchmark]: Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:46:21,043 INFO L168 Benchmark]: RCFGBuilder took 1032.79 ms. Allocated memory is still 1.1 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. [2019-11-20 10:46:21,044 INFO L168 Benchmark]: TraceAbstraction took 7411.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:46:21,045 INFO L168 Benchmark]: Witness Printer took 160.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:46:21,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 707.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.83 ms. Allocated memory is still 1.1 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 59.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1032.79 ms. Allocated memory is still 1.1 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 7411.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 11.5 GB. * Witness Printer took 160.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: 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: 117]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 <= pumpRunning && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter) || ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || (((!(\result == 0) && pumpRunning == 0) && waterLevel <= 1) && 0 == splverifierCounter) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((1 <= pumpRunning && 2 == waterLevel) && 0 == splverifierCounter)) || ((pumpRunning == 0 && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, HoareTripleCheckerStatistics: 902 SDtfs, 1262 SDslu, 1402 SDs, 0 SdLazy, 239 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 698 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 181 NumberOfFragments, 607 HoareAnnotationTreeSize, 45 FomulaSimplifications, 78654 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 12823 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 27650 SizeOfPredicates, 4 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...