./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.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_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/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 f92aef55fa426b86704369eb7f8ab70f879f200b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:56:20,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:20,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:20,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:20,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:20,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:20,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:20,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:20,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:20,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:20,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:20,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:20,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:20,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:20,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:20,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:20,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:20,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:20,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:20,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:20,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:20,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:20,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:20,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:20,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:20,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:20,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:20,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:20,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:20,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:20,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:20,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:20,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:20,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:20,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:20,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:20,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:20,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:20,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:20,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:20,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:20,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:20,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:20,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:20,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:20,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:20,724 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:20,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:20,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:20,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:20,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:20,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:20,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:20,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:20,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:20,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:20,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:20,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:20,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:20,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:20,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:20,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:20,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:20,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:20,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:20,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:20,730 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_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2020-11-28 02:56:21,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:21,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:21,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:21,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:21,058 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:21,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-28 02:56:21,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/data/506a731d6/cf454aec114348c1ac3a9f0b6eee015a/FLAGdca88b7ca [2020-11-28 02:56:21,713 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:21,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-11-28 02:56:21,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/data/506a731d6/cf454aec114348c1ac3a9f0b6eee015a/FLAGdca88b7ca [2020-11-28 02:56:21,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/data/506a731d6/cf454aec114348c1ac3a9f0b6eee015a [2020-11-28 02:56:21,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:21,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:21,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:21,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:22,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:22,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:22,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b6a4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:22,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:22,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:22,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,379 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:22,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,510 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:22,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22 WrapperNode [2020-11-28 02:56:22,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:22,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:22,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:22,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:22,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:22,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:22,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:22,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:22,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/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 02:56:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:23,770 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:23,777 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 02:56:23,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:23 BoogieIcfgContainer [2020-11-28 02:56:23,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:23,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:23,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:23,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:23,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:21" (1/3) ... [2020-11-28 02:56:23,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a247cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:23, skipping insertion in model container [2020-11-28 02:56:23,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (2/3) ... [2020-11-28 02:56:23,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a247cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:23, skipping insertion in model container [2020-11-28 02:56:23,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:23" (3/3) ... [2020-11-28 02:56:23,788 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-11-28 02:56:23,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:23,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:56:23,816 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:56:23,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:23,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:23,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:23,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:23,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:23,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:23,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:23,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 02:56:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:56:23,863 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:23,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:23,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:23,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:23,870 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-28 02:56:23,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:23,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805618546] [2020-11-28 02:56:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:24,208 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 02:56:24,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805618546] [2020-11-28 02:56:24,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:24,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:24,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570018059] [2020-11-28 02:56:24,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:24,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:24,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:24,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:24,236 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 02:56:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:24,269 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 02:56:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:24,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:56:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:24,282 INFO L225 Difference]: With dead ends: 151 [2020-11-28 02:56:24,282 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 02:56:24,285 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 02:56:24,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 02:56:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 02:56:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 02:56:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 02:56:24,350 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 02:56:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:24,350 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 02:56:24,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 02:56:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:56:24,353 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:24,353 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 02:56:24,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:24,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-28 02:56:24,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:24,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376728181] [2020-11-28 02:56:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:24,471 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 02:56:24,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376728181] [2020-11-28 02:56:24,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:24,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:24,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774322432] [2020-11-28 02:56:24,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:24,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:24,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:24,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:24,475 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-28 02:56:24,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:24,487 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 02:56:24,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:24,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:56:24,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:24,489 INFO L225 Difference]: With dead ends: 73 [2020-11-28 02:56:24,490 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 02:56:24,491 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 02:56:24,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 02:56:24,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 02:56:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 02:56:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 02:56:24,496 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 02:56:24,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:24,497 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 02:56:24,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 02:56:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:56:24,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:24,498 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 02:56:24,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:24,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:24,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:24,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-28 02:56:24,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:24,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530357381] [2020-11-28 02:56:24,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:24,626 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 02:56:24,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530357381] [2020-11-28 02:56:24,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:24,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:24,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24315123] [2020-11-28 02:56:24,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:24,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:24,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:24,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:24,628 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-28 02:56:24,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:24,673 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-11-28 02:56:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:24,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 02:56:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:24,676 INFO L225 Difference]: With dead ends: 93 [2020-11-28 02:56:24,676 INFO L226 Difference]: Without dead ends: 64 [2020-11-28 02:56:24,677 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 02:56:24,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-28 02:56:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-11-28 02:56:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 02:56:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-11-28 02:56:24,686 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-11-28 02:56:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:24,687 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-11-28 02:56:24,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-11-28 02:56:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:56:24,689 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:24,689 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 02:56:24,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:24,690 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:24,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-28 02:56:24,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:24,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975911186] [2020-11-28 02:56:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:24,815 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 02:56:24,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975911186] [2020-11-28 02:56:24,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:24,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:24,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253698407] [2020-11-28 02:56:24,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:24,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:24,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:24,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:24,828 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-11-28 02:56:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:24,952 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2020-11-28 02:56:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:56:24,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 02:56:24,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:24,956 INFO L225 Difference]: With dead ends: 298 [2020-11-28 02:56:24,956 INFO L226 Difference]: Without dead ends: 244 [2020-11-28 02:56:24,957 INFO L677 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 [2020-11-28 02:56:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-28 02:56:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2020-11-28 02:56:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-28 02:56:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2020-11-28 02:56:24,977 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2020-11-28 02:56:24,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:24,978 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2020-11-28 02:56:24,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2020-11-28 02:56:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:56:24,980 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:24,980 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, 1] [2020-11-28 02:56:24,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:24,981 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:24,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:24,982 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2020-11-28 02:56:24,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:24,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217716912] [2020-11-28 02:56:24,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:25,106 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 02:56:25,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217716912] [2020-11-28 02:56:25,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:25,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:25,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705319116] [2020-11-28 02:56:25,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:25,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:25,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:25,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:25,109 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2020-11-28 02:56:25,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:25,242 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2020-11-28 02:56:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:56:25,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:56:25,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:25,244 INFO L225 Difference]: With dead ends: 304 [2020-11-28 02:56:25,244 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:25,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:56:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:25,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 02:56:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:25,247 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:25,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:25,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:25,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:25,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:25,580 INFO L270 CegarLoopResult]: At program point L217(lines 166 218) the Hoare annotation is: false [2020-11-28 02:56:25,580 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,580 INFO L274 CegarLoopResult]: For program point L168(lines 167 216) no Hoare annotation was computed. [2020-11-28 02:56:25,580 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,580 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L270 CegarLoopResult]: At program point L895(lines 890 898) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L416-3(lines 416 420) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L416-6(lines 416 420) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:56:25,581 INFO L274 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:56:25,582 INFO L274 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:56:25,582 INFO L274 CegarLoopResult]: For program point L169(lines 169 173) no Hoare annotation was computed. [2020-11-28 02:56:25,582 INFO L274 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-11-28 02:56:25,582 INFO L270 CegarLoopResult]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,582 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-11-28 02:56:25,583 INFO L270 CegarLoopResult]: At program point L205-1(lines 241 247) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,583 INFO L270 CegarLoopResult]: At program point L453(lines 448 456) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,583 INFO L270 CegarLoopResult]: At program point L453-1(lines 448 456) the Hoare annotation is: false [2020-11-28 02:56:25,584 INFO L270 CegarLoopResult]: At program point L453-2(lines 448 456) the Hoare annotation is: false [2020-11-28 02:56:25,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:25,584 INFO L274 CegarLoopResult]: For program point L273(lines 273 290) no Hoare annotation was computed. [2020-11-28 02:56:25,584 INFO L274 CegarLoopResult]: For program point L273-1(lines 273 290) no Hoare annotation was computed. [2020-11-28 02:56:25,584 INFO L274 CegarLoopResult]: For program point L273-2(lines 273 290) no Hoare annotation was computed. [2020-11-28 02:56:25,584 INFO L274 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-11-28 02:56:25,585 INFO L277 CegarLoopResult]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2020-11-28 02:56:25,585 INFO L274 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-11-28 02:56:25,585 INFO L270 CegarLoopResult]: At program point L389-1(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,585 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,586 INFO L270 CegarLoopResult]: At program point L241(lines 240 259) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,586 INFO L274 CegarLoopResult]: For program point L241-1(lines 241 247) no Hoare annotation was computed. [2020-11-28 02:56:25,586 INFO L270 CegarLoopResult]: At program point L241-2(lines 240 259) the Hoare annotation is: false [2020-11-28 02:56:25,586 INFO L270 CegarLoopResult]: At program point L241-3(lines 240 259) the Hoare annotation is: false [2020-11-28 02:56:25,586 INFO L274 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-11-28 02:56:25,587 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:25,587 INFO L270 CegarLoopResult]: At program point L887(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:25,587 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,587 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,587 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,587 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,588 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-11-28 02:56:25,588 INFO L274 CegarLoopResult]: For program point L375-6(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,588 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,588 INFO L274 CegarLoopResult]: For program point L375-8(lines 375 379) no Hoare annotation was computed. [2020-11-28 02:56:25,588 INFO L270 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,589 INFO L270 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-11-28 02:56:25,589 INFO L270 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-11-28 02:56:25,589 INFO L274 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-11-28 02:56:25,589 INFO L274 CegarLoopResult]: For program point L277-1(lines 277 285) no Hoare annotation was computed. [2020-11-28 02:56:25,589 INFO L274 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-11-28 02:56:25,590 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 02:56:25,590 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 02:56:25,590 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 02:56:25,590 INFO L270 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-11-28 02:56:25,590 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-28 02:56:25,590 INFO L270 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:25,591 INFO L270 CegarLoopResult]: At program point L494(lines 489 497) the Hoare annotation is: false [2020-11-28 02:56:25,591 INFO L270 CegarLoopResult]: At program point L494-1(lines 489 497) the Hoare annotation is: false [2020-11-28 02:56:25,591 INFO L274 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-11-28 02:56:25,591 INFO L270 CegarLoopResult]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2020-11-28 02:56:25,591 INFO L274 CegarLoopResult]: For program point L197(lines 197 212) no Hoare annotation was computed. [2020-11-28 02:56:25,591 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:25,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:25,592 INFO L274 CegarLoopResult]: For program point L908(lines 908 921) no Hoare annotation was computed. [2020-11-28 02:56:25,592 INFO L270 CegarLoopResult]: At program point L908-1(lines 1 924) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,592 INFO L274 CegarLoopResult]: For program point L908-2(lines 908 921) no Hoare annotation was computed. [2020-11-28 02:56:25,592 INFO L270 CegarLoopResult]: At program point L908-3(lines 1 924) the Hoare annotation is: false [2020-11-28 02:56:25,593 INFO L274 CegarLoopResult]: For program point L908-4(lines 908 921) no Hoare annotation was computed. [2020-11-28 02:56:25,593 INFO L270 CegarLoopResult]: At program point L908-5(lines 1 924) the Hoare annotation is: false [2020-11-28 02:56:25,593 INFO L270 CegarLoopResult]: At program point L248(lines 248 254) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:25,593 INFO L270 CegarLoopResult]: At program point L248-1(lines 248 254) the Hoare annotation is: false [2020-11-28 02:56:25,593 INFO L270 CegarLoopResult]: At program point L248-2(lines 248 254) the Hoare annotation is: false [2020-11-28 02:56:25,593 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 02:56:25,594 INFO L274 CegarLoopResult]: For program point L67-1(lines 241 247) no Hoare annotation was computed. [2020-11-28 02:56:25,594 INFO L270 CegarLoopResult]: At program point L381(lines 366 384) the Hoare annotation is: false [2020-11-28 02:56:25,594 INFO L270 CegarLoopResult]: At program point L381-1(lines 366 384) the Hoare annotation is: false [2020-11-28 02:56:25,594 INFO L270 CegarLoopResult]: At program point L381-2(lines 366 384) the Hoare annotation is: false [2020-11-28 02:56:25,594 INFO L277 CegarLoopResult]: At program point L150(lines 131 153) the Hoare annotation is: true [2020-11-28 02:56:25,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:25 BoogieIcfgContainer [2020-11-28 02:56:25,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:25,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:25,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:25,614 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:25,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:23" (3/4) ... [2020-11-28 02:56:25,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:25,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:56:25,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:56:25,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:56:25,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:56:25,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:56:25,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:25,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:25,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:56:25,723 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_caf3733e-0f7e-47e6-97b1-e9e7f085ffc5/bin/uautomizer/witness.graphml [2020-11-28 02:56:25,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:25,725 INFO L168 Benchmark]: Toolchain (without parser) took 3729.99 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 91.9 MB in the beginning and 112.2 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,726 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 53.5 MB in the beginning and 53.4 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:25,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.34 ms. Allocated memory is still 117.4 MB. Free memory was 91.7 MB in the beginning and 84.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.61 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 81.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,727 INFO L168 Benchmark]: Boogie Preprocessor took 47.62 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,728 INFO L168 Benchmark]: RCFGBuilder took 1154.52 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 61.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,728 INFO L168 Benchmark]: TraceAbstraction took 1832.14 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 61.3 MB in the beginning and 118.4 MB in the end (delta: -57.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,729 INFO L168 Benchmark]: Witness Printer took 110.18 ms. Allocated memory is still 151.0 MB. Free memory was 118.4 MB in the beginning and 112.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:25,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 53.5 MB in the beginning and 53.4 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.34 ms. Allocated memory is still 117.4 MB. Free memory was 91.7 MB in the beginning and 84.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.61 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 81.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.62 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1154.52 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 61.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1832.14 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 61.3 MB in the beginning and 118.4 MB in the end (delta: -57.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Witness Printer took 110.18 ms. Allocated memory is still 151.0 MB. Free memory was 118.4 MB in the beginning and 112.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 352 SDslu, 333 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...