./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15efa77def43d479206e17bb9981463db781c0a6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:04,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:04,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:04,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:04,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:04,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:04,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:04,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:04,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:04,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:04,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:04,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:04,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:04,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:04,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:04,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:04,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:04,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:04,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:04,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:04,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:04,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:04,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:04,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:04,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:04,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:04,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:04,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:04,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:04,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:04,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:04,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:04,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:04,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:04,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:04,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:04,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:04,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:04,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:04,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:04,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:04,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:06:04,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:04,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:04,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:04,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:04,846 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:04,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:04,847 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:04,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:04,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:04,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:04,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:04,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:04,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:04,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:04,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:04,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:04,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:04,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:04,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:04,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:04,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:04,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:04,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:04,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:04,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:04,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:04,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:04,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:04,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:04,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15efa77def43d479206e17bb9981463db781c0a6 [2020-11-28 03:06:05,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:05,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:05,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:05,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:05,163 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:05,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-11-28 03:06:05,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/data/660186b06/a6c30b3b327144c98bd65203ad433e8a/FLAGd2657ee6e [2020-11-28 03:06:05,852 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:05,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-11-28 03:06:05,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/data/660186b06/a6c30b3b327144c98bd65203ad433e8a/FLAGd2657ee6e [2020-11-28 03:06:06,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/data/660186b06/a6c30b3b327144c98bd65203ad433e8a [2020-11-28 03:06:06,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:06,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:06,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:06,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:06,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:06,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289046ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06, skipping insertion in model container [2020-11-28 03:06:06,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:06,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:06,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:06,507 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:06,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:06,629 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:06,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06 WrapperNode [2020-11-28 03:06:06,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:06,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:06,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:06,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:06,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:06,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:06,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:06,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:06,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... [2020-11-28 03:06:06,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:06,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:06,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:06,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:06,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/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 [2020-11-28 03:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:07,680 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:07,681 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 03:06:07,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:07 BoogieIcfgContainer [2020-11-28 03:06:07,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:07,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:06:07,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:06:07,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:06:07,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:06:06" (1/3) ... [2020-11-28 03:06:07,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6314e235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:07, skipping insertion in model container [2020-11-28 03:06:07,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:06" (2/3) ... [2020-11-28 03:06:07,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6314e235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:07, skipping insertion in model container [2020-11-28 03:06:07,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:07" (3/3) ... [2020-11-28 03:06:07,695 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-11-28 03:06:07,711 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:06:07,716 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:06:07,730 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:06:07,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:06:07,770 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:06:07,770 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:06:07,770 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:07,770 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:07,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:06:07,772 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:07,772 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:06:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-28 03:06:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:06:07,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:07,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:07,794 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:07,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-11-28 03:06:07,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:07,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579411906] [2020-11-28 03:06:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:08,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579411906] [2020-11-28 03:06:08,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:08,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:08,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28682677] [2020-11-28 03:06:08,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:06:08,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:08,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:06:08,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:06:08,081 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-28 03:06:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:08,114 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-28 03:06:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:06:08,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:06:08,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:08,128 INFO L225 Difference]: With dead ends: 115 [2020-11-28 03:06:08,128 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:06:08,134 INFO L677 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 [2020-11-28 03:06:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:06:08,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:06:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:06:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-28 03:06:08,198 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-28 03:06:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:08,199 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-28 03:06:08,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:06:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 03:06:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:06:08,205 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:08,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:08,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:06:08,206 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:08,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:08,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-11-28 03:06:08,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:08,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812808212] [2020-11-28 03:06:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:08,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812808212] [2020-11-28 03:06:08,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:08,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:06:08,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38423467] [2020-11-28 03:06:08,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:06:08,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:08,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:08,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:08,372 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-28 03:06:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:08,383 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-28 03:06:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:08,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:06:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:08,385 INFO L225 Difference]: With dead ends: 55 [2020-11-28 03:06:08,385 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:06:08,386 INFO L677 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 [2020-11-28 03:06:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:06:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:06:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:06:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 03:06:08,391 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-28 03:06:08,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:08,392 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 03:06:08,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:06:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 03:06:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:06:08,393 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:08,393 INFO L422 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] [2020-11-28 03:06:08,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:06:08,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:08,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:08,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-11-28 03:06:08,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:08,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706049197] [2020-11-28 03:06:08,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:08,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706049197] [2020-11-28 03:06:08,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:08,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:06:08,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540715157] [2020-11-28 03:06:08,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:08,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:08,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:08,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:08,545 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-28 03:06:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:08,810 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-11-28 03:06:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:06:08,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:06:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:08,816 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:06:08,816 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:06:08,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:06:08,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:06:08,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-11-28 03:06:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:06:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-28 03:06:08,831 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-28 03:06:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:08,831 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-28 03:06:08,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-28 03:06:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:06:08,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:08,833 INFO L422 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] [2020-11-28 03:06:08,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:06:08,833 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:08,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:08,834 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-11-28 03:06:08,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:08,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837162403] [2020-11-28 03:06:08,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:08,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837162403] [2020-11-28 03:06:08,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:08,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:06:08,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274936524] [2020-11-28 03:06:08,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:06:08,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:08,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:06:08,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:06:08,984 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2020-11-28 03:06:09,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:09,467 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2020-11-28 03:06:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:06:09,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-28 03:06:09,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:09,472 INFO L225 Difference]: With dead ends: 281 [2020-11-28 03:06:09,472 INFO L226 Difference]: Without dead ends: 239 [2020-11-28 03:06:09,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:06:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-11-28 03:06:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2020-11-28 03:06:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-28 03:06:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2020-11-28 03:06:09,511 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2020-11-28 03:06:09,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:09,511 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2020-11-28 03:06:09,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:06:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2020-11-28 03:06:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:06:09,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:09,514 INFO L422 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] [2020-11-28 03:06:09,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:06:09,514 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:09,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:09,515 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2020-11-28 03:06:09,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:09,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779851424] [2020-11-28 03:06:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:09,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779851424] [2020-11-28 03:06:09,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:09,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:09,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486879159] [2020-11-28 03:06:09,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:06:09,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:09,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:09,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:09,580 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2020-11-28 03:06:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:09,621 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2020-11-28 03:06:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:09,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-28 03:06:09,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:09,624 INFO L225 Difference]: With dead ends: 224 [2020-11-28 03:06:09,624 INFO L226 Difference]: Without dead ends: 112 [2020-11-28 03:06:09,625 INFO L677 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 [2020-11-28 03:06:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-28 03:06:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-28 03:06:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-28 03:06:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2020-11-28 03:06:09,656 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2020-11-28 03:06:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:09,656 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2020-11-28 03:06:09,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:06:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2020-11-28 03:06:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:06:09,664 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:09,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:09,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:06:09,665 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1601771079, now seen corresponding path program 1 times [2020-11-28 03:06:09,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:09,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695273797] [2020-11-28 03:06:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:09,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695273797] [2020-11-28 03:06:09,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190344445] [2020-11-28 03:06:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/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 [2020-11-28 03:06:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:09,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:06:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:10,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:06:10,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-28 03:06:10,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3138823] [2020-11-28 03:06:10,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:06:10,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:10,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:06:10,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:10,013 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 4 states. [2020-11-28 03:06:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:10,161 INFO L93 Difference]: Finished difference Result 146 states and 197 transitions. [2020-11-28 03:06:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:06:10,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-28 03:06:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:10,163 INFO L225 Difference]: With dead ends: 146 [2020-11-28 03:06:10,163 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:06:10,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:06:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:06:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:06:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:06:10,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-28 03:06:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:10,166 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:10,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:06:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:06:10,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:06:10,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 03:06:10,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:06:10,860 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-28 03:06:11,277 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-28 03:06:11,453 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-28 03:06:11,466 INFO L270 CegarLoopResult]: At program point L316(lines 311 319) the Hoare annotation is: false [2020-11-28 03:06:11,467 INFO L270 CegarLoopResult]: At program point L316-1(lines 311 319) the Hoare annotation is: false [2020-11-28 03:06:11,467 INFO L270 CegarLoopResult]: At program point L316-2(lines 311 319) the Hoare annotation is: false [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:06:11,467 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L433-1(lines 239 245) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L277 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L270 CegarLoopResult]: At program point L220(lines 169 221) the Hoare annotation is: false [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L171(lines 170 219) no Hoare annotation was computed. [2020-11-28 03:06:11,468 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-11-28 03:06:11,469 INFO L270 CegarLoopResult]: At program point L138-1(lines 1 887) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0)))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and (= ULTIMATE.start_main_~tmp~3 1) .cse5 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse6))) [2020-11-28 03:06:11,469 INFO L274 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2020-11-28 03:06:11,469 INFO L270 CegarLoopResult]: At program point L138-3(lines 1 887) the Hoare annotation is: false [2020-11-28 03:06:11,469 INFO L274 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2020-11-28 03:06:11,469 INFO L270 CegarLoopResult]: At program point L138-5(lines 1 887) the Hoare annotation is: false [2020-11-28 03:06:11,469 INFO L274 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-11-28 03:06:11,469 INFO L270 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse3) (and (= ULTIMATE.start_main_~tmp~3 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-28 03:06:11,470 INFO L270 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-11-28 03:06:11,470 INFO L270 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-11-28 03:06:11,470 INFO L270 CegarLoopResult]: At program point L239(lines 238 257) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-11-28 03:06:11,470 INFO L274 CegarLoopResult]: For program point L239-1(lines 239 245) no Hoare annotation was computed. [2020-11-28 03:06:11,470 INFO L270 CegarLoopResult]: At program point L239-2(lines 238 257) the Hoare annotation is: false [2020-11-28 03:06:11,470 INFO L270 CegarLoopResult]: At program point L239-3(lines 238 257) the Hoare annotation is: false [2020-11-28 03:06:11,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:06:11,470 INFO L274 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-11-28 03:06:11,471 INFO L270 CegarLoopResult]: At program point L190-1(lines 190 196) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4))) [2020-11-28 03:06:11,471 INFO L270 CegarLoopResult]: At program point L405(lines 1 887) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 03:06:11,471 INFO L274 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-11-28 03:06:11,471 INFO L274 CegarLoopResult]: For program point L884-1(line 884) no Hoare annotation was computed. [2020-11-28 03:06:11,471 INFO L274 CegarLoopResult]: For program point L884-2(line 884) no Hoare annotation was computed. [2020-11-28 03:06:11,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,471 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L270 CegarLoopResult]: At program point L208-1(lines 239 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L274 CegarLoopResult]: For program point L360(lines 360 366) no Hoare annotation was computed. [2020-11-28 03:06:11,472 INFO L270 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-11-28 03:06:11,472 INFO L277 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-11-28 03:06:11,473 INFO L270 CegarLoopResult]: At program point L477(lines 473 479) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:06:11,473 INFO L270 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0) .cse2) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-11-28 03:06:11,473 INFO L270 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: false [2020-11-28 03:06:11,473 INFO L274 CegarLoopResult]: For program point L180(lines 180 186) no Hoare annotation was computed. [2020-11-28 03:06:11,473 INFO L270 CegarLoopResult]: At program point L246-2(lines 246 252) the Hoare annotation is: false [2020-11-28 03:06:11,473 INFO L270 CegarLoopResult]: At program point L180-1(lines 180 186) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))) (and (= ULTIMATE.start_main_~tmp~3 1) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4))) [2020-11-28 03:06:11,473 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:06:11,474 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:11,474 INFO L270 CegarLoopResult]: At program point L429-2(lines 429 443) the Hoare annotation is: false [2020-11-28 03:06:11,474 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 03:06:11,474 INFO L270 CegarLoopResult]: At program point L413(lines 408 416) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:06:11,474 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-11-28 03:06:11,474 INFO L274 CegarLoopResult]: For program point L200(lines 200 215) no Hoare annotation was computed. [2020-11-28 03:06:11,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:06:11 BoogieIcfgContainer [2020-11-28 03:06:11,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:06:11,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:06:11,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:06:11,521 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:06:11,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:07" (3/4) ... [2020-11-28 03:06:11,526 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:06:11,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:06:11,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:06:11,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:06:11,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:06:11,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:06:11,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:11,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:11,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:06:11,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && tmp == waterLevel) && \result == 1 [2020-11-28 03:06:11,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && !(tmp == 0)) [2020-11-28 03:06:11,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || (((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:06:11,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_805e4f10-6c79-4520-b27a-b989703127f7/bin/uautomizer/witness.graphml [2020-11-28 03:06:11,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:06:11,657 INFO L168 Benchmark]: Toolchain (without parser) took 5553.33 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 66.9 MB in the beginning and 90.2 MB in the end (delta: -23.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,657 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 96.5 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:11,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.74 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 63.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.38 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 60.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,659 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 58.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,659 INFO L168 Benchmark]: RCFGBuilder took 908.85 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.7 MB in the beginning and 66.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,660 INFO L168 Benchmark]: TraceAbstraction took 3833.44 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 65.7 MB in the beginning and 95.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,660 INFO L168 Benchmark]: Witness Printer took 134.68 ms. Allocated memory is still 142.6 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:11,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 96.5 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 525.74 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 63.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.38 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 60.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.26 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 58.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 908.85 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.7 MB in the beginning and 66.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3833.44 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 65.7 MB in the beginning and 95.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * Witness Printer took 134.68 ms. Allocated memory is still 142.6 MB. Free memory was 95.4 MB in the beginning and 90.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 239]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && tmp == waterLevel) && \result == 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || (((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) || ((((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) && \result == 1) && !(tmp == 0))) || ((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && !(tmp == 0)) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 521 SDslu, 349 SDs, 0 SdLazy, 91 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, 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, 6 MinimizatonAttempts, 125 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 421 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 9835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...