./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.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_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/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 d83ceaa193cdbbc22bebc7351a9d6525d7bceeb6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:58:15,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:15,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:15,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:15,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:15,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:15,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:15,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:15,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:15,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:15,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:15,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:15,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:15,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:15,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:15,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:15,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:15,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:15,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:15,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:15,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:15,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:15,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:15,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:15,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:15,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:15,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:15,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:15,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:15,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:15,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:15,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:15,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:15,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:15,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:15,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:15,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:15,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:15,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:15,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:15,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:15,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:15,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:15,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:15,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:15,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:15,731 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:15,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:15,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:15,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:15,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:15,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:15,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:15,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:15,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:15,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:15,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:15,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:15,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:15,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:15,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:15,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:15,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:15,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:15,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:15,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:15,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:15,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:15,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:15,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:15,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:15,738 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_8c1b9386-7611-40b1-aab3-90a24d77c9f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d83ceaa193cdbbc22bebc7351a9d6525d7bceeb6 [2020-11-28 02:58:16,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:16,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:16,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:16,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:16,109 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:16,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2020-11-28 02:58:16,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/data/8452f6e91/461256d91cce43c9ad754399857824d4/FLAGd43113692 [2020-11-28 02:58:16,774 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:16,775 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2020-11-28 02:58:16,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/data/8452f6e91/461256d91cce43c9ad754399857824d4/FLAGd43113692 [2020-11-28 02:58:17,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/data/8452f6e91/461256d91cce43c9ad754399857824d4 [2020-11-28 02:58:17,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:17,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:17,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:17,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:17,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:17,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7b83d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17, skipping insertion in model container [2020-11-28 02:58:17,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:17,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:17,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,575 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:17,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,726 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:17,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17 WrapperNode [2020-11-28 02:58:17,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:17,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:17,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:17,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:17,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:17,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:17,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:17,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:17,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/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 02:58:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:18,792 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:18,793 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 02:58:18,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18 BoogieIcfgContainer [2020-11-28 02:58:18,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:18,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:18,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:18,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:18,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:17" (1/3) ... [2020-11-28 02:58:18,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338a74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (2/3) ... [2020-11-28 02:58:18,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338a74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/3) ... [2020-11-28 02:58:18,810 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-11-28 02:58:18,822 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:18,827 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:18,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:18,865 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:18,865 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:18,866 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:18,866 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:18,866 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:18,866 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:18,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:18,867 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-11-28 02:58:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:58:18,885 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:18,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:18,886 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:18,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504515, now seen corresponding path program 1 times [2020-11-28 02:58:18,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:18,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802485865] [2020-11-28 02:58:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,210 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 02:58:19,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802485865] [2020-11-28 02:58:19,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:19,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020952902] [2020-11-28 02:58:19,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:19,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:19,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:19,247 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-11-28 02:58:19,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,286 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-28 02:58:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:19,288 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:58:19,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,295 INFO L225 Difference]: With dead ends: 135 [2020-11-28 02:58:19,295 INFO L226 Difference]: Without dead ends: 65 [2020-11-28 02:58:19,298 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 02:58:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-28 02:58:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-28 02:58:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-28 02:58:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-28 02:58:19,346 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-11-28 02:58:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,347 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-28 02:58:19,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-11-28 02:58:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:58:19,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,351 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 02:58:19,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:19,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1313705884, now seen corresponding path program 1 times [2020-11-28 02:58:19,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889174136] [2020-11-28 02:58:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,472 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 02:58:19,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889174136] [2020-11-28 02:58:19,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:19,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477062312] [2020-11-28 02:58:19,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,476 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-11-28 02:58:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,501 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-11-28 02:58:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:58:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,503 INFO L225 Difference]: With dead ends: 65 [2020-11-28 02:58:19,504 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 02:58:19,505 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 02:58:19,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 02:58:19,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 02:58:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 02:58:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-28 02:58:19,510 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-11-28 02:58:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,510 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-28 02:58:19,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-28 02:58:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:58:19,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,512 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 02:58:19,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:19,512 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,513 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-11-28 02:58:19,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013880583] [2020-11-28 02:58:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,644 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 02:58:19,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013880583] [2020-11-28 02:58:19,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:19,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357826738] [2020-11-28 02:58:19,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,647 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-11-28 02:58:19,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,671 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-11-28 02:58:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 02:58:19,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,674 INFO L225 Difference]: With dead ends: 56 [2020-11-28 02:58:19,674 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 02:58:19,675 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 02:58:19,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 02:58:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 02:58:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 02:58:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-11-28 02:58:19,680 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-11-28 02:58:19,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,680 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-11-28 02:58:19,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-11-28 02:58:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:58:19,686 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,686 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 02:58:19,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:19,687 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,687 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-11-28 02:58:19,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739752231] [2020-11-28 02:58:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,845 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 02:58:19,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739752231] [2020-11-28 02:58:19,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:58:19,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116026921] [2020-11-28 02:58:19,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:58:19,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:58:19,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:58:19,848 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 7 states. [2020-11-28 02:58:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,150 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2020-11-28 02:58:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 02:58:20,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-28 02:58:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,153 INFO L225 Difference]: With dead ends: 178 [2020-11-28 02:58:20,153 INFO L226 Difference]: Without dead ends: 153 [2020-11-28 02:58:20,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:58:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-28 02:58:20,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2020-11-28 02:58:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-28 02:58:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-11-28 02:58:20,169 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2020-11-28 02:58:20,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,170 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-11-28 02:58:20,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:58:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-11-28 02:58:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:20,171 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:20,172 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 02:58:20,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:20,172 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:20,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:20,173 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2020-11-28 02:58:20,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:20,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020945854] [2020-11-28 02:58:20,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,252 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 02:58:20,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020945854] [2020-11-28 02:58:20,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:20,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:20,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358604798] [2020-11-28 02:58:20,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:20,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:20,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:20,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:20,254 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2020-11-28 02:58:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,280 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2020-11-28 02:58:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:20,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:58:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,282 INFO L225 Difference]: With dead ends: 126 [2020-11-28 02:58:20,282 INFO L226 Difference]: Without dead ends: 60 [2020-11-28 02:58:20,283 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 02:58:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-28 02:58:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-28 02:58:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 02:58:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-11-28 02:58:20,305 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-11-28 02:58:20,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,305 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-11-28 02:58:20,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-28 02:58:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 02:58:20,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:20,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:20,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:20,309 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:20,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:20,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1477751617, now seen corresponding path program 1 times [2020-11-28 02:58:20,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:20,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289335021] [2020-11-28 02:58:20,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:20,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289335021] [2020-11-28 02:58:20,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485715442] [2020-11-28 02:58:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:58:20,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:20,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:20,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-28 02:58:20,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112520281] [2020-11-28 02:58:20,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:20,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:20,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:20,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:20,680 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-11-28 02:58:20,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,764 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-11-28 02:58:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:20,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-11-28 02:58:20,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,767 INFO L225 Difference]: With dead ends: 77 [2020-11-28 02:58:20,767 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:20,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:20,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-28 02:58:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:20,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:20,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:20,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 02:58:20,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:21,430 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,431 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-11-28 02:58:21,431 INFO L270 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:21,431 INFO L274 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-11-28 02:58:21,431 INFO L274 CegarLoopResult]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2020-11-28 02:58:21,431 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2020-11-28 02:58:21,431 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-28 02:58:21,432 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,432 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,432 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:21,432 INFO L270 CegarLoopResult]: At program point L268(lines 267 286) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:21,433 INFO L274 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-11-28 02:58:21,433 INFO L270 CegarLoopResult]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2020-11-28 02:58:21,433 INFO L270 CegarLoopResult]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2020-11-28 02:58:21,433 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-11-28 02:58:21,433 INFO L270 CegarLoopResult]: At program point L450-2(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:21,433 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 02:58:21,440 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 02:58:21,440 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:21,440 INFO L270 CegarLoopResult]: At program point L865(lines 860 868) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:21,441 INFO L270 CegarLoopResult]: At program point L353(lines 348 356) the Hoare annotation is: false [2020-11-28 02:58:21,441 INFO L270 CegarLoopResult]: At program point L353-1(lines 348 356) the Hoare annotation is: false [2020-11-28 02:58:21,442 INFO L270 CegarLoopResult]: At program point L353-2(lines 348 356) the Hoare annotation is: false [2020-11-28 02:58:21,442 INFO L274 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-11-28 02:58:21,442 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2020-11-28 02:58:21,442 INFO L274 CegarLoopResult]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2020-11-28 02:58:21,442 INFO L274 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-11-28 02:58:21,442 INFO L274 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L274 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L274 CegarLoopResult]: For program point L58-1(lines 268 274) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L274 CegarLoopResult]: For program point L240(lines 240 253) no Hoare annotation was computed. [2020-11-28 02:58:21,443 INFO L270 CegarLoopResult]: At program point L240-1(lines 1 877) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-28 02:58:21,444 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 253) no Hoare annotation was computed. [2020-11-28 02:58:21,444 INFO L270 CegarLoopResult]: At program point L240-3(lines 1 877) the Hoare annotation is: false [2020-11-28 02:58:21,444 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 02:58:21,444 INFO L274 CegarLoopResult]: For program point L240-4(lines 240 253) no Hoare annotation was computed. [2020-11-28 02:58:21,444 INFO L270 CegarLoopResult]: At program point L240-5(lines 1 877) the Hoare annotation is: false [2020-11-28 02:58:21,445 INFO L274 CegarLoopResult]: For program point L422(lines 422 428) no Hoare annotation was computed. [2020-11-28 02:58:21,445 INFO L270 CegarLoopResult]: At program point L422-1(lines 422 428) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:21,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,445 INFO L270 CegarLoopResult]: At program point L225(lines 220 228) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 02:58:21,445 INFO L270 CegarLoopResult]: At program point L225-1(lines 220 228) the Hoare annotation is: false [2020-11-28 02:58:21,446 INFO L270 CegarLoopResult]: At program point L225-2(lines 220 228) the Hoare annotation is: false [2020-11-28 02:58:21,446 INFO L270 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:21,446 INFO L270 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2020-11-28 02:58:21,446 INFO L270 CegarLoopResult]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2020-11-28 02:58:21,446 INFO L270 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: false [2020-11-28 02:58:21,447 INFO L270 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2020-11-28 02:58:21,447 INFO L270 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2020-11-28 02:58:21,447 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:21,447 INFO L274 CegarLoopResult]: For program point L442(lines 442 455) no Hoare annotation was computed. [2020-11-28 02:58:21,447 INFO L274 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-11-28 02:58:21,447 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 250) no Hoare annotation was computed. [2020-11-28 02:58:21,448 INFO L274 CegarLoopResult]: For program point L244-4(lines 244 250) no Hoare annotation was computed. [2020-11-28 02:58:21,448 INFO L270 CegarLoopResult]: At program point L344(lines 337 347) the Hoare annotation is: false [2020-11-28 02:58:21,448 INFO L270 CegarLoopResult]: At program point L344-1(lines 337 347) the Hoare annotation is: false [2020-11-28 02:58:21,448 INFO L270 CegarLoopResult]: At program point L344-2(lines 337 347) the Hoare annotation is: false [2020-11-28 02:58:21,450 INFO L270 CegarLoopResult]: At program point L460(lines 411 461) the Hoare annotation is: false [2020-11-28 02:58:21,450 INFO L270 CegarLoopResult]: At program point L857(lines 1 877) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:21,450 INFO L274 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-11-28 02:58:21,451 INFO L274 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-11-28 02:58:21,451 INFO L274 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-11-28 02:58:21,451 INFO L274 CegarLoopResult]: For program point L874-2(line 874) no Hoare annotation was computed. [2020-11-28 02:58:21,451 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:21,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:21,452 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 02:58:21,452 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 02:58:21,452 INFO L274 CegarLoopResult]: For program point L413(lines 412 459) no Hoare annotation was computed. [2020-11-28 02:58:21,453 INFO L274 CegarLoopResult]: For program point L414(lines 414 418) no Hoare annotation was computed. [2020-11-28 02:58:21,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:21 BoogieIcfgContainer [2020-11-28 02:58:21,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:21,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:21,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:21,496 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:21,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/4) ... [2020-11-28 02:58:21,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:21,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:21,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:21,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:21,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:21,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:21,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:21,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:21,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(tmp == 0) && !(\result == 0)) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:21,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-11-28 02:58:21,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8c1b9386-7611-40b1-aab3-90a24d77c9f1/bin/uautomizer/witness.graphml [2020-11-28 02:58:21,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:21,640 INFO L168 Benchmark]: Toolchain (without parser) took 4546.78 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 80.9 MB in the beginning and 122.5 MB in the end (delta: -41.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,640 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:21,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.59 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 74.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.64 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 71.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,642 INFO L168 Benchmark]: Boogie Preprocessor took 59.94 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,643 INFO L168 Benchmark]: RCFGBuilder took 950.52 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.9 MB in the beginning and 77.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,643 INFO L168 Benchmark]: TraceAbstraction took 2691.89 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 76.8 MB in the beginning and 128.8 MB in the end (delta: -52.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,644 INFO L168 Benchmark]: Witness Printer took 143.06 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 122.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:21,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.59 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 74.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.64 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 71.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.94 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 950.52 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.9 MB in the beginning and 77.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2691.89 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 76.8 MB in the beginning and 128.8 MB in the end (delta: -52.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * Witness Printer took 143.06 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 122.5 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: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(tmp == 0) && !(\result == 0)) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 312 SDtfs, 372 SDslu, 288 SDs, 0 SdLazy, 74 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, 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, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 168 HoareAnnotationTreeSize, 31 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...