./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/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 18788254abfa5723715f3d4730fe86dc47b8285d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:00:23,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:23,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:23,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:23,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:23,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:23,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:23,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:23,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:23,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:23,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:23,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:23,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:23,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:23,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:23,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:23,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:23,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:23,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:23,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:23,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:23,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:23,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:23,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:23,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:23,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:23,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:23,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:23,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:23,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:23,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:23,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:23,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:23,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:23,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:23,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:23,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:23,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:23,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:23,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:23,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:23,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:00:23,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:23,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:23,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:23,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:23,718 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:23,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:23,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:00:23,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:23,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:00:23,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:23,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:00:23,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:00:23,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:00:23,720 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:00:23,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:23,721 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:23,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:00:23,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:23,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:23,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:00:23,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:00:23,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:23,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:23,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:00:23,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:00:23,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:23,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:00:23,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:00:23,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:23,724 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_c538d77f-8190-43e6-a83a-e6b6079b3d12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-11-28 03:00:23,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:24,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:24,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:24,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:24,018 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:24,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-28 03:00:24,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/data/573ca296e/d52356a30433418793f19ab454741aea/FLAGe7d49af82 [2020-11-28 03:00:24,783 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:24,783 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-28 03:00:24,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/data/573ca296e/d52356a30433418793f19ab454741aea/FLAGe7d49af82 [2020-11-28 03:00:25,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/data/573ca296e/d52356a30433418793f19ab454741aea [2020-11-28 03:00:25,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:25,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:25,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:25,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:25,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:25,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416ad66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25, skipping insertion in model container [2020-11-28 03:00:25,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:25,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:25,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:25,510 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:25,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:25,636 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:25,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25 WrapperNode [2020-11-28 03:00:25,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:25,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:25,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:25,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:25,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:25,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:25,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:25,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:25,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... [2020-11-28 03:00:25,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:25,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:25,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:25,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:25,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/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 03:00:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:00:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:26,752 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:26,753 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 03:00:26,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:26 BoogieIcfgContainer [2020-11-28 03:00:26,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:26,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:00:26,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:00:26,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:00:26,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:00:25" (1/3) ... [2020-11-28 03:00:26,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cd71b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:26, skipping insertion in model container [2020-11-28 03:00:26,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:25" (2/3) ... [2020-11-28 03:00:26,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cd71b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:26, skipping insertion in model container [2020-11-28 03:00:26,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:26" (3/3) ... [2020-11-28 03:00:26,768 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-11-28 03:00:26,781 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:00:26,787 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:00:26,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:00:26,842 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:00:26,842 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:00:26,842 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:00:26,842 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:26,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:26,843 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:00:26,843 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:26,843 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:00:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-28 03:00:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:00:26,876 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:26,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:26,877 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:26,886 INFO L82 PathProgramCache]: Analyzing trace with hash 968341668, now seen corresponding path program 1 times [2020-11-28 03:00:26,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:26,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853412737] [2020-11-28 03:00:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:27,254 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 03:00:27,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853412737] [2020-11-28 03:00:27,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:27,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:27,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374632356] [2020-11-28 03:00:27,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:00:27,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:27,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:00:27,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:00:27,286 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-28 03:00:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:27,343 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-11-28 03:00:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:00:27,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:00:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:27,364 INFO L225 Difference]: With dead ends: 146 [2020-11-28 03:00:27,364 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:00:27,374 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 03:00:27,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:00:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-28 03:00:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 03:00:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-11-28 03:00:27,442 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-11-28 03:00:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:27,443 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-11-28 03:00:27,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:00:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-11-28 03:00:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:00:27,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:27,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:27,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:00:27,445 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:27,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:27,447 INFO L82 PathProgramCache]: Analyzing trace with hash 749505699, now seen corresponding path program 1 times [2020-11-28 03:00:27,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:27,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056931976] [2020-11-28 03:00:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:27,583 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 03:00:27,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056931976] [2020-11-28 03:00:27,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:27,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:27,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070222338] [2020-11-28 03:00:27,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:27,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:27,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:27,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:27,587 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-11-28 03:00:27,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:27,598 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-11-28 03:00:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:27,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:00:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:27,600 INFO L225 Difference]: With dead ends: 71 [2020-11-28 03:00:27,600 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:00:27,601 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 03:00:27,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:00:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:00:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:00:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:00:27,610 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 03:00:27,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:27,610 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:00:27,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:00:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:00:27,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:27,612 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 03:00:27,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:00:27,612 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:27,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:27,613 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-11-28 03:00:27,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:27,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82565632] [2020-11-28 03:00:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:27,729 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 03:00:27,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82565632] [2020-11-28 03:00:27,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:27,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:00:27,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298133222] [2020-11-28 03:00:27,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:00:27,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:27,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:27,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:27,732 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-28 03:00:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:27,756 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-11-28 03:00:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:27,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:00:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:27,759 INFO L225 Difference]: With dead ends: 91 [2020-11-28 03:00:27,759 INFO L226 Difference]: Without dead ends: 63 [2020-11-28 03:00:27,760 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 03:00:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-11-28 03:00:27,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-11-28 03:00:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 03:00:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-11-28 03:00:27,769 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-11-28 03:00:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:27,770 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-11-28 03:00:27,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:00:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-11-28 03:00:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:00:27,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:27,771 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, 1] [2020-11-28 03:00:27,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:00:27,772 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:27,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:27,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-11-28 03:00:27,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:27,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104695172] [2020-11-28 03:00:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:27,923 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 03:00:27,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104695172] [2020-11-28 03:00:27,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:27,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:00:27,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068513819] [2020-11-28 03:00:27,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:00:27,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:27,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:00:27,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:27,925 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-11-28 03:00:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:28,103 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-11-28 03:00:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:00:28,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:00:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:28,107 INFO L225 Difference]: With dead ends: 265 [2020-11-28 03:00:28,107 INFO L226 Difference]: Without dead ends: 213 [2020-11-28 03:00:28,108 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 03:00:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-28 03:00:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-11-28 03:00:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-28 03:00:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-11-28 03:00:28,126 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-11-28 03:00:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:28,127 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-11-28 03:00:28,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:00:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-11-28 03:00:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:00:28,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:00:28,128 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, 1, 1] [2020-11-28 03:00:28,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:00:28,129 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:00:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:28,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-11-28 03:00:28,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:28,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254205005] [2020-11-28 03:00:28,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:28,219 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 03:00:28,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254205005] [2020-11-28 03:00:28,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:28,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:00:28,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826585023] [2020-11-28 03:00:28,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:00:28,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:00:28,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:28,222 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-11-28 03:00:28,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:28,321 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-11-28 03:00:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:00:28,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:00:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:00:28,323 INFO L225 Difference]: With dead ends: 299 [2020-11-28 03:00:28,323 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:00:28,324 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 03:00:28,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:00:28,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:00:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:00:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:00:28,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 03:00:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:00:28,326 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:28,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:00:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:00:28,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:00:28,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:00:28,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:00:28,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,633 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L274 CegarLoopResult]: For program point L779-1(lines 142 148) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:00:28,634 INFO L270 CegarLoopResult]: At program point L218(lines 211 221) the Hoare annotation is: false [2020-11-28 03:00:28,635 INFO L270 CegarLoopResult]: At program point L218-1(lines 211 221) the Hoare annotation is: false [2020-11-28 03:00:28,635 INFO L270 CegarLoopResult]: At program point L218-2(lines 211 221) the Hoare annotation is: false [2020-11-28 03:00:28,635 INFO L274 CegarLoopResult]: For program point L879(lines 879 896) no Hoare annotation was computed. [2020-11-28 03:00:28,635 INFO L270 CegarLoopResult]: At program point L879-1(lines 1 899) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,635 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 896) no Hoare annotation was computed. [2020-11-28 03:00:28,636 INFO L270 CegarLoopResult]: At program point L879-3(lines 1 899) the Hoare annotation is: false [2020-11-28 03:00:28,636 INFO L274 CegarLoopResult]: For program point L879-4(lines 879 896) no Hoare annotation was computed. [2020-11-28 03:00:28,636 INFO L270 CegarLoopResult]: At program point L879-5(lines 1 899) the Hoare annotation is: false [2020-11-28 03:00:28,636 INFO L270 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:00:28,636 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:00:28,636 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:00:28,636 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-28 03:00:28,637 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-11-28 03:00:28,637 INFO L277 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2020-11-28 03:00:28,637 INFO L274 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-11-28 03:00:28,637 INFO L270 CegarLoopResult]: At program point L304-1(lines 304 310) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,637 INFO L274 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-11-28 03:00:28,637 INFO L270 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,638 INFO L274 CegarLoopResult]: For program point L883(lines 883 893) no Hoare annotation was computed. [2020-11-28 03:00:28,638 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 893) no Hoare annotation was computed. [2020-11-28 03:00:28,638 INFO L274 CegarLoopResult]: For program point L883-4(lines 883 893) no Hoare annotation was computed. [2020-11-28 03:00:28,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:00:28,638 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-28 03:00:28,638 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,638 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-28 03:00:28,639 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-28 03:00:28,639 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-28 03:00:28,639 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-28 03:00:28,639 INFO L274 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-11-28 03:00:28,639 INFO L274 CegarLoopResult]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2020-11-28 03:00:28,639 INFO L274 CegarLoopResult]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2020-11-28 03:00:28,640 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-11-28 03:00:28,640 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-11-28 03:00:28,640 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-11-28 03:00:28,640 INFO L270 CegarLoopResult]: At program point L868(lines 863 870) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:00:28,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,640 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,641 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-11-28 03:00:28,641 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-11-28 03:00:28,641 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-11-28 03:00:28,641 INFO L274 CegarLoopResult]: For program point L324(lines 324 337) no Hoare annotation was computed. [2020-11-28 03:00:28,641 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:00:28,641 INFO L270 CegarLoopResult]: At program point L342(lines 293 343) the Hoare annotation is: false [2020-11-28 03:00:28,641 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-28 03:00:28,642 INFO L270 CegarLoopResult]: At program point L227(lines 222 230) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,642 INFO L270 CegarLoopResult]: At program point L227-1(lines 222 230) the Hoare annotation is: false [2020-11-28 03:00:28,642 INFO L270 CegarLoopResult]: At program point L227-2(lines 222 230) the Hoare annotation is: false [2020-11-28 03:00:28,642 INFO L270 CegarLoopResult]: At program point L376(lines 1 899) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:00:28,642 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-11-28 03:00:28,642 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L274 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L274 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L274 CegarLoopResult]: For program point L393-2(line 393) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L270 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:00:28,643 INFO L274 CegarLoopResult]: For program point L295(lines 294 341) no Hoare annotation was computed. [2020-11-28 03:00:28,643 INFO L277 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2020-11-28 03:00:28,644 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-11-28 03:00:28,644 INFO L270 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-11-28 03:00:28,644 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:00:28,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:00:28,644 INFO L274 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-11-28 03:00:28,644 INFO L270 CegarLoopResult]: At program point L330-1(lines 142 148) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,645 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-11-28 03:00:28,645 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 03:00:28,645 INFO L274 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2020-11-28 03:00:28,645 INFO L270 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,645 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:00:28,645 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-11-28 03:00:28,646 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-11-28 03:00:28,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:00:28 BoogieIcfgContainer [2020-11-28 03:00:28,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:00:28,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:28,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:28,676 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:28,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:26" (3/4) ... [2020-11-28 03:00:28,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:00:28,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:00:28,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:00:28,709 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:00:28,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:00:28,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:00:28,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:28,712 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:28,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:00:28,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c538d77f-8190-43e6-a83a-e6b6079b3d12/bin/uautomizer/witness.graphml [2020-11-28 03:00:28,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:28,835 INFO L168 Benchmark]: Toolchain (without parser) took 3719.64 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.2 MB in the beginning and 44.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,835 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:28,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.89 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 55.2 MB in the end (delta: -288.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.09 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,836 INFO L168 Benchmark]: Boogie Preprocessor took 46.69 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,837 INFO L168 Benchmark]: RCFGBuilder took 975.36 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 36.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,837 INFO L168 Benchmark]: TraceAbstraction took 1916.36 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 36.2 MB in the beginning and 51.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,838 INFO L168 Benchmark]: Witness Printer took 153.46 ms. Allocated memory is still 107.0 MB. Free memory was 51.5 MB in the beginning and 44.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:28,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.89 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 55.2 MB in the end (delta: -288.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.09 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.69 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 975.36 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 36.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1916.36 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 36.2 MB in the beginning and 51.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 153.46 ms. Allocated memory is still 107.0 MB. Free memory was 51.5 MB in the beginning and 44.7 MB in the end (delta: 6.8 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: 863]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 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: 325 SDtfs, 293 SDslu, 328 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...