./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:10:39,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:10:39,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:10:39,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:10:39,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:10:39,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:10:39,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:10:39,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:10:39,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:10:39,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:10:39,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:10:39,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:10:39,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:10:39,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:10:39,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:10:39,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:10:39,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:10:39,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:10:39,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:10:39,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:10:39,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:10:39,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:10:39,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:10:39,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:10:39,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:10:39,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:10:39,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:10:39,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:10:39,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:10:39,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:10:39,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:10:39,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:10:39,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:10:39,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:10:39,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:10:39,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:10:39,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:10:39,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:10:39,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:10:39,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:10:39,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:10:39,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 11:10:39,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:10:39,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:10:39,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:10:39,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:10:39,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:10:39,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:10:39,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:10:39,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:10:39,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:10:39,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:10:39,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:10:39,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:10:39,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:10:39,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:10:39,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:10:39,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:10:39,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:10:39,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:10:39,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:10:39,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:10:39,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:10:39,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:10:39,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:10:39,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:10:39,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:10:39,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:10:39,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:10:39,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:10:39,930 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_987efed3-bc01-4c0c-9640-7d981db11d1e/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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2019-11-20 11:10:40,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:10:40,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:10:40,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:10:40,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:10:40,132 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:10:40,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-11-20 11:10:40,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/data/01cf17f65/918e9381e9f54fe4bded7f1a80123295/FLAG5e4af47d5 [2019-11-20 11:10:40,635 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:10:40,636 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-11-20 11:10:40,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/data/01cf17f65/918e9381e9f54fe4bded7f1a80123295/FLAG5e4af47d5 [2019-11-20 11:10:40,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/data/01cf17f65/918e9381e9f54fe4bded7f1a80123295 [2019-11-20 11:10:40,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:10:40,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:10:40,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:40,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:10:40,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:10:40,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:40" (1/1) ... [2019-11-20 11:10:40,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae2809d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:40, skipping insertion in model container [2019-11-20 11:10:40,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:40" (1/1) ... [2019-11-20 11:10:40,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:10:40,719 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:10:41,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:41,159 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:10:41,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:10:41,291 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:10:41,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41 WrapperNode [2019-11-20 11:10:41,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:10:41,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:41,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:10:41,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:10:41,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:10:41,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:10:41,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:10:41,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:10:41,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... [2019-11-20 11:10:41,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:10:41,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:10:41,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:10:41,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:10:41,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/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 11:10:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:10:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 11:10:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:10:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:10:42,305 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:10:42,305 INFO L285 CfgBuilder]: Removed 128 assume(true) statements. [2019-11-20 11:10:42,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:42 BoogieIcfgContainer [2019-11-20 11:10:42,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:10:42,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:10:42,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:10:42,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:10:42,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:10:40" (1/3) ... [2019-11-20 11:10:42,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:42, skipping insertion in model container [2019-11-20 11:10:42,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:41" (2/3) ... [2019-11-20 11:10:42,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:10:42, skipping insertion in model container [2019-11-20 11:10:42,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:42" (3/3) ... [2019-11-20 11:10:42,314 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-11-20 11:10:42,322 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:10:42,328 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 11:10:42,338 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 11:10:42,368 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:10:42,368 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:10:42,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:10:42,369 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:10:42,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:10:42,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:10:42,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:10:42,370 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:10:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-11-20 11:10:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 11:10:42,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:42,402 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 11:10:42,402 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:42,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:42,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2019-11-20 11:10:42,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:42,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732144846] [2019-11-20 11:10:42,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:42,662 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 11:10:42,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732144846] [2019-11-20 11:10:42,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:42,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:10:42,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687325876] [2019-11-20 11:10:42,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 11:10:42,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:42,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 11:10:42,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:10:42,684 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-11-20 11:10:42,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:42,709 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-11-20 11:10:42,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 11:10:42,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 11:10:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:42,720 INFO L225 Difference]: With dead ends: 185 [2019-11-20 11:10:42,720 INFO L226 Difference]: Without dead ends: 92 [2019-11-20 11:10:42,723 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 11:10:42,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-20 11:10:42,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-20 11:10:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-20 11:10:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-11-20 11:10:42,761 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-11-20 11:10:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:42,761 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-20 11:10:42,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 11:10:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-11-20 11:10:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:10:42,762 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:42,763 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 11:10:42,763 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:42,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:42,763 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2019-11-20 11:10:42,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:42,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615398106] [2019-11-20 11:10:42,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:42,852 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 11:10:42,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615398106] [2019-11-20 11:10:42,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:42,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 11:10:42,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110789616] [2019-11-20 11:10:42,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 11:10:42,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:42,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 11:10:42,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 11:10:42,856 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2019-11-20 11:10:42,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:42,875 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2019-11-20 11:10:42,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 11:10:42,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 11:10:42,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:42,876 INFO L225 Difference]: With dead ends: 92 [2019-11-20 11:10:42,877 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 11:10:42,878 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 11:10:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 11:10:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 11:10:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 11:10:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2019-11-20 11:10:42,883 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2019-11-20 11:10:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:42,884 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2019-11-20 11:10:42,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 11:10:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2019-11-20 11:10:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:10:42,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:42,885 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 11:10:42,885 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:42,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:42,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2019-11-20 11:10:42,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:42,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566497726] [2019-11-20 11:10:42,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:42,998 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 11:10:42,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566497726] [2019-11-20 11:10:42,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:42,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:10:43,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706750429] [2019-11-20 11:10:43,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 11:10:43,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 11:10:43,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 11:10:43,001 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2019-11-20 11:10:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,009 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2019-11-20 11:10:43,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 11:10:43,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 11:10:43,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,010 INFO L225 Difference]: With dead ends: 75 [2019-11-20 11:10:43,011 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 11:10:43,011 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 11:10:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 11:10:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 11:10:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 11:10:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2019-11-20 11:10:43,017 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2019-11-20 11:10:43,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,018 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2019-11-20 11:10:43,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 11:10:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2019-11-20 11:10:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:10:43,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,019 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 11:10:43,019 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2019-11-20 11:10:43,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818581655] [2019-11-20 11:10:43,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,074 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 11:10:43,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818581655] [2019-11-20 11:10:43,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:10:43,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938794424] [2019-11-20 11:10:43,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 11:10:43,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 11:10:43,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 11:10:43,076 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2019-11-20 11:10:43,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,131 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2019-11-20 11:10:43,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 11:10:43,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-20 11:10:43,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,133 INFO L225 Difference]: With dead ends: 99 [2019-11-20 11:10:43,133 INFO L226 Difference]: Without dead ends: 65 [2019-11-20 11:10:43,134 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 11:10:43,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-20 11:10:43,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-11-20 11:10:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-20 11:10:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2019-11-20 11:10:43,142 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2019-11-20 11:10:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,142 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2019-11-20 11:10:43,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 11:10:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-11-20 11:10:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:10:43,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,143 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] [2019-11-20 11:10:43,144 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2019-11-20 11:10:43,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796153096] [2019-11-20 11:10:43,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,212 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 11:10:43,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796153096] [2019-11-20 11:10:43,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 11:10:43,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322445274] [2019-11-20 11:10:43,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 11:10:43,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 11:10:43,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 11:10:43,214 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2019-11-20 11:10:43,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,341 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2019-11-20 11:10:43,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 11:10:43,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 11:10:43,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,343 INFO L225 Difference]: With dead ends: 216 [2019-11-20 11:10:43,343 INFO L226 Difference]: Without dead ends: 160 [2019-11-20 11:10:43,343 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 11:10:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-20 11:10:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-20 11:10:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-20 11:10:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2019-11-20 11:10:43,361 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2019-11-20 11:10:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,361 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2019-11-20 11:10:43,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 11:10:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-20 11:10:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:10:43,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,366 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 11:10:43,366 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2019-11-20 11:10:43,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289194033] [2019-11-20 11:10:43,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,461 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 11:10:43,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289194033] [2019-11-20 11:10:43,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 11:10:43,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333038011] [2019-11-20 11:10:43,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 11:10:43,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 11:10:43,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 11:10:43,463 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2019-11-20 11:10:43,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,525 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2019-11-20 11:10:43,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:10:43,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 11:10:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,527 INFO L225 Difference]: With dead ends: 161 [2019-11-20 11:10:43,527 INFO L226 Difference]: Without dead ends: 106 [2019-11-20 11:10:43,528 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 11:10:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-20 11:10:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2019-11-20 11:10:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 11:10:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2019-11-20 11:10:43,540 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2019-11-20 11:10:43,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,542 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2019-11-20 11:10:43,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 11:10:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-11-20 11:10:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:10:43,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,544 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 11:10:43,547 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,548 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2019-11-20 11:10:43,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080366665] [2019-11-20 11:10:43,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,613 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 11:10:43,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080366665] [2019-11-20 11:10:43,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 11:10:43,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106511595] [2019-11-20 11:10:43,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 11:10:43,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 11:10:43,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 11:10:43,616 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 4 states. [2019-11-20 11:10:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,649 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2019-11-20 11:10:43,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 11:10:43,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-20 11:10:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,651 INFO L225 Difference]: With dead ends: 149 [2019-11-20 11:10:43,651 INFO L226 Difference]: Without dead ends: 91 [2019-11-20 11:10:43,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 11:10:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-20 11:10:43,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2019-11-20 11:10:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-20 11:10:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-11-20 11:10:43,666 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2019-11-20 11:10:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,667 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-11-20 11:10:43,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 11:10:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-11-20 11:10:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:10:43,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,672 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 11:10:43,672 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2019-11-20 11:10:43,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584267884] [2019-11-20 11:10:43,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,724 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 11:10:43,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584267884] [2019-11-20 11:10:43,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:10:43,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5465993] [2019-11-20 11:10:43,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 11:10:43,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 11:10:43,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 11:10:43,726 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2019-11-20 11:10:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:43,751 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2019-11-20 11:10:43,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 11:10:43,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-20 11:10:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:43,753 INFO L225 Difference]: With dead ends: 154 [2019-11-20 11:10:43,753 INFO L226 Difference]: Without dead ends: 94 [2019-11-20 11:10:43,754 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 11:10:43,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-20 11:10:43,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-20 11:10:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-20 11:10:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2019-11-20 11:10:43,774 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2019-11-20 11:10:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:43,775 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2019-11-20 11:10:43,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 11:10:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2019-11-20 11:10:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:10:43,776 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:43,777 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:10:43,777 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:43,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:43,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2019-11-20 11:10:43,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:43,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174898316] [2019-11-20 11:10:43,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:43,925 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 11:10:43,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174898316] [2019-11-20 11:10:43,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:10:43,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 11:10:43,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654936359] [2019-11-20 11:10:43,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 11:10:43,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:43,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 11:10:43,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 11:10:43,927 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2019-11-20 11:10:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:44,125 INFO L93 Difference]: Finished difference Result 339 states and 457 transitions. [2019-11-20 11:10:44,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 11:10:44,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-20 11:10:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:44,128 INFO L225 Difference]: With dead ends: 339 [2019-11-20 11:10:44,128 INFO L226 Difference]: Without dead ends: 279 [2019-11-20 11:10:44,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 11:10:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-20 11:10:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 135. [2019-11-20 11:10:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-20 11:10:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2019-11-20 11:10:44,147 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 37 [2019-11-20 11:10:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:44,147 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2019-11-20 11:10:44,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 11:10:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2019-11-20 11:10:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:10:44,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:10:44,148 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 11:10:44,148 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:10:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:10:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2019-11-20 11:10:44,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:10:44,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660093224] [2019-11-20 11:10:44,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:10:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:44,210 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 11:10:44,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660093224] [2019-11-20 11:10:44,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601840006] [2019-11-20 11:10:44,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/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 11:10:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:10:44,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 11:10:44,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:10:44,431 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 11:10:44,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 11:10:44,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 11:10:44,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137523335] [2019-11-20 11:10:44,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 11:10:44,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:10:44,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 11:10:44,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 11:10:44,435 INFO L87 Difference]: Start difference. First operand 135 states and 174 transitions. Second operand 8 states. [2019-11-20 11:10:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:10:44,598 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2019-11-20 11:10:44,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 11:10:44,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-11-20 11:10:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:10:44,599 INFO L225 Difference]: With dead ends: 242 [2019-11-20 11:10:44,600 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 11:10:44,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 11:10:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 11:10:44,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 11:10:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 11:10:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 11:10:44,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-20 11:10:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:10:44,601 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:10:44,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 11:10:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 11:10:44,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:10:44,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 11:10:44,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 11:10:45,304 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2019-11-20 11:10:45,498 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-11-20 11:10:45,624 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2019-11-20 11:10:45,896 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-20 11:10:46,034 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2019-11-20 11:10:46,141 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-11-20 11:10:46,339 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2019-11-20 11:10:46,343 INFO L444 ceAbstractionStarter]: For program point L481(lines 480 525) no Hoare annotation was computed. [2019-11-20 11:10:46,343 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,343 INFO L440 ceAbstractionStarter]: At program point L465(lines 450 468) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2) (<= ~waterLevel~0 2)))) [2019-11-20 11:10:46,343 INFO L440 ceAbstractionStarter]: At program point L465-1(lines 450 468) the Hoare annotation is: false [2019-11-20 11:10:46,343 INFO L440 ceAbstractionStarter]: At program point L465-2(lines 450 468) the Hoare annotation is: false [2019-11-20 11:10:46,343 INFO L444 ceAbstractionStarter]: For program point L482(lines 482 486) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 1 943) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse2))) [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L440 ceAbstractionStarter]: At program point L70-3(lines 1 943) the Hoare annotation is: false [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point L516-2(lines 510 521) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L444 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-11-20 11:10:46,344 INFO L440 ceAbstractionStarter]: At program point L70-5(lines 1 943) the Hoare annotation is: false [2019-11-20 11:10:46,344 INFO L440 ceAbstractionStarter]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-20 11:10:46,344 INFO L440 ceAbstractionStarter]: At program point L186-1(lines 177 190) the Hoare annotation is: false [2019-11-20 11:10:46,345 INFO L440 ceAbstractionStarter]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2019-11-20 11:10:46,345 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 506) no Hoare annotation was computed. [2019-11-20 11:10:46,345 INFO L440 ceAbstractionStarter]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= 2 ~waterLevel~0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse3 .cse2) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse1 .cse3 (= ~pumpRunning~0 0) .cse2))) [2019-11-20 11:10:46,345 INFO L440 ceAbstractionStarter]: At program point L401(lines 394 404) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 11:10:46,345 INFO L440 ceAbstractionStarter]: At program point L401-1(lines 394 404) the Hoare annotation is: false [2019-11-20 11:10:46,345 INFO L440 ceAbstractionStarter]: At program point L401-2(lines 394 404) the Hoare annotation is: false [2019-11-20 11:10:46,345 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-20 11:10:46,345 INFO L444 ceAbstractionStarter]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2019-11-20 11:10:46,345 INFO L444 ceAbstractionStarter]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L931(lines 926 934) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 11:10:46,346 INFO L444 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse3 .cse1))) [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L173-1(lines 168 176) the Hoare annotation is: false [2019-11-20 11:10:46,346 INFO L440 ceAbstractionStarter]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 356) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L444 ceAbstractionStarter]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2019-11-20 11:10:46,347 INFO L440 ceAbstractionStarter]: At program point L141(lines 136 144) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 11:10:46,347 INFO L440 ceAbstractionStarter]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2019-11-20 11:10:46,348 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-20 11:10:46,348 INFO L440 ceAbstractionStarter]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2019-11-20 11:10:46,348 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-11-20 11:10:46,348 INFO L444 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-11-20 11:10:46,348 INFO L447 ceAbstractionStarter]: At program point L290(lines 271 293) the Hoare annotation is: true [2019-11-20 11:10:46,348 INFO L440 ceAbstractionStarter]: At program point L59(lines 307 313) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 11:10:46,348 INFO L440 ceAbstractionStarter]: At program point L59-1(lines 307 313) the Hoare annotation is: false [2019-11-20 11:10:46,348 INFO L440 ceAbstractionStarter]: At program point L59-2(lines 307 313) the Hoare annotation is: false [2019-11-20 11:10:46,349 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,349 INFO L440 ceAbstractionStarter]: At program point L307(lines 303 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)))) [2019-11-20 11:10:46,349 INFO L440 ceAbstractionStarter]: At program point L307-1(lines 303 325) the Hoare annotation is: false [2019-11-20 11:10:46,349 INFO L440 ceAbstractionStarter]: At program point L307-2(lines 303 325) the Hoare annotation is: false [2019-11-20 11:10:46,349 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-11-20 11:10:46,349 INFO L444 ceAbstractionStarter]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2019-11-20 11:10:46,349 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L440 ceAbstractionStarter]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= 2 ~waterLevel~0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse3 .cse2) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse1 .cse3 (= ~pumpRunning~0 0) .cse2))) [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L128(lines 128 132) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L376(lines 376 382) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L343(lines 343 351) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,350 INFO L444 ceAbstractionStarter]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,351 INFO L444 ceAbstractionStarter]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,351 INFO L444 ceAbstractionStarter]: For program point L459-5(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,351 INFO L444 ceAbstractionStarter]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,351 INFO L444 ceAbstractionStarter]: For program point L459-8(lines 459 463) no Hoare annotation was computed. [2019-11-20 11:10:46,351 INFO L440 ceAbstractionStarter]: At program point L410(lines 405 413) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 .cse4 .cse2) (and (and .cse1 (= 2 ~waterLevel~0) .cse2) .cse3 .cse4))) [2019-11-20 11:10:46,351 INFO L440 ceAbstractionStarter]: At program point L410-1(lines 405 413) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 11:10:46,351 INFO L440 ceAbstractionStarter]: At program point L410-2(lines 405 413) the Hoare annotation is: false [2019-11-20 11:10:46,351 INFO L440 ceAbstractionStarter]: At program point L410-3(lines 405 413) the Hoare annotation is: false [2019-11-20 11:10:46,352 INFO L440 ceAbstractionStarter]: At program point L410-4(lines 405 413) the Hoare annotation is: false [2019-11-20 11:10:46,352 INFO L440 ceAbstractionStarter]: At program point L410-5(lines 405 413) the Hoare annotation is: false [2019-11-20 11:10:46,352 INFO L440 ceAbstractionStarter]: At program point L526(lines 479 527) the Hoare annotation is: false [2019-11-20 11:10:46,352 INFO L444 ceAbstractionStarter]: For program point L510(lines 510 521) no Hoare annotation was computed. [2019-11-20 11:10:46,352 INFO L440 ceAbstractionStarter]: At program point L923(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 11:10:46,352 INFO L444 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,352 INFO L444 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,352 INFO L444 ceAbstractionStarter]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2019-11-20 11:10:46,353 INFO L440 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 11:10:46,353 INFO L440 ceAbstractionStarter]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (and .cse0 (= 2 ~waterLevel~0) .cse2) .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)))) [2019-11-20 11:10:46,353 INFO L444 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-11-20 11:10:46,354 INFO L440 ceAbstractionStarter]: At program point L314-1(lines 314 320) the Hoare annotation is: false [2019-11-20 11:10:46,354 INFO L440 ceAbstractionStarter]: At program point L314-2(lines 314 320) the Hoare annotation is: false [2019-11-20 11:10:46,354 INFO L447 ceAbstractionStarter]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2019-11-20 11:10:46,354 INFO L444 ceAbstractionStarter]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-11-20 11:10:46,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:10:46 BoogieIcfgContainer [2019-11-20 11:10:46,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:10:46,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:10:46,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:10:46,405 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:10:46,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:10:42" (3/4) ... [2019-11-20 11:10:46,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:10:46,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 11:10:46,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 11:10:46,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 11:10:46,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 11:10:46,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 11:10:46,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 11:10:46,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter) [2019-11-20 11:10:46,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 11:10:46,475 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 11:10:46,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-20 11:10:46,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 11:10:46,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 11:10:46,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 11:10:46,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-20 11:10:46,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 11:10:46,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 11:10:46,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 11:10:46,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_987efed3-bc01-4c0c-9640-7d981db11d1e/bin/uautomizer/witness.graphml [2019-11-20 11:10:46,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:10:46,546 INFO L168 Benchmark]: Toolchain (without parser) took 5879.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,546 INFO L168 Benchmark]: CDTParser took 0.27 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 11:10:46,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,547 INFO L168 Benchmark]: Boogie Preprocessor took 52.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:10:46,548 INFO L168 Benchmark]: RCFGBuilder took 897.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,548 INFO L168 Benchmark]: TraceAbstraction took 4096.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -87.9 MB). Peak memory consumption was 191.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,548 INFO L168 Benchmark]: Witness Printer took 140.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:10:46,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 624.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 897.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4096.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -87.9 MB). Peak memory consumption was 191.4 MB. Max. memory is 11.5 GB. * Witness Printer took 140.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 817 SDtfs, 789 SDslu, 1069 SDs, 0 SdLazy, 172 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 309 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 99 NumberOfFragments, 564 HoareAnnotationTreeSize, 43 FomulaSimplifications, 15386 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2128 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 25621 SizeOfPredicates, 4 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...