./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/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 f109400e8916ff9eba13533e7575144e5f0c1404 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:01:34,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:34,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:35,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:35,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:35,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:35,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:35,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:35,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:35,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:35,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:35,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:35,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:35,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:35,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:35,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:35,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:35,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:35,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:35,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:35,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:35,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:35,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:35,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:35,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:35,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:35,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:35,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:35,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:35,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:35,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:35,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:35,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:35,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:35,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:35,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:35,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:35,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:35,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:35,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:35,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:35,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:01:35,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:35,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:35,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:35,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:35,196 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:35,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:35,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:35,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:35,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:35,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:35,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:01:35,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:01:35,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:01:35,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:35,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:35,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:35,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:01:35,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:35,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:35,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:01:35,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:01:35,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:01:35,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:35,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:01:35,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:01:35,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:35,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:01:35,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:01:35,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:35,206 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_9e22b6cc-6dd1-463f-a1c2-83461e18968d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2020-11-28 03:01:35,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:35,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:35,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:35,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:35,549 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:35,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 03:01:35,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/data/612d1c174/74a0bbade0d04dca9288802d2e9c3eb5/FLAG2df9cb36d [2020-11-28 03:01:36,135 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:36,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 03:01:36,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/data/612d1c174/74a0bbade0d04dca9288802d2e9c3eb5/FLAG2df9cb36d [2020-11-28 03:01:36,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/data/612d1c174/74a0bbade0d04dca9288802d2e9c3eb5 [2020-11-28 03:01:36,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:36,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:36,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:36,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:36,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:36,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:36,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190175e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36, skipping insertion in model container [2020-11-28 03:01:36,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:36,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:36,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:36,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:36,877 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:36,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:36,984 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:36,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36 WrapperNode [2020-11-28 03:01:36,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:36,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:36,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:36,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:36,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:37,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:37,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:37,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:37,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2020-11-28 03:01:37,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:37,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:37,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:37,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:37,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/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 03:01:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:38,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:38,189 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 03:01:38,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38 BoogieIcfgContainer [2020-11-28 03:01:38,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:38,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:01:38,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:01:38,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:01:38,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:36" (1/3) ... [2020-11-28 03:01:38,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a14889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:38, skipping insertion in model container [2020-11-28 03:01:38,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (2/3) ... [2020-11-28 03:01:38,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a14889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:38, skipping insertion in model container [2020-11-28 03:01:38,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38" (3/3) ... [2020-11-28 03:01:38,203 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-11-28 03:01:38,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:01:38,220 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:01:38,239 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:01:38,289 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:01:38,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:01:38,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:01:38,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:38,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:38,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:01:38,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:38,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:01:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-28 03:01:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:01:38,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,327 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 03:01:38,327 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:38,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-11-28 03:01:38,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:38,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414964300] [2020-11-28 03:01:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:38,686 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 03:01:38,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414964300] [2020-11-28 03:01:38,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:38,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:38,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841771404] [2020-11-28 03:01:38,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:01:38,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:38,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:01:38,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:01:38,710 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-28 03:01:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:38,740 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-28 03:01:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:01:38,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:01:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:38,753 INFO L225 Difference]: With dead ends: 154 [2020-11-28 03:01:38,753 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:01:38,763 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 03:01:38,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:01:38,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-28 03:01:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:01:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-28 03:01:38,823 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-28 03:01:38,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:38,823 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-28 03:01:38,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:01:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 03:01:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:01:38,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,825 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 03:01:38,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:01:38,826 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:38,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:38,827 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-11-28 03:01:38,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:38,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723261302] [2020-11-28 03:01:38,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:38,921 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 03:01:38,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723261302] [2020-11-28 03:01:38,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:38,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:38,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976009916] [2020-11-28 03:01:38,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:38,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:38,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:38,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:38,925 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-28 03:01:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:38,952 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-28 03:01:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:38,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:01:38,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:38,956 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:01:38,957 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:01:38,958 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 03:01:38,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:01:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:01:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:01:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:01:38,970 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 03:01:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:38,971 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:01:38,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:01:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:01:38,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,975 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 03:01:38,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:01:38,976 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:38,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:38,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-11-28 03:01:38,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:38,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780769935] [2020-11-28 03:01:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:39,166 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 03:01:39,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780769935] [2020-11-28 03:01:39,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:39,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:39,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850917917] [2020-11-28 03:01:39,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:01:39,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:39,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:01:39,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:39,169 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-11-28 03:01:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:39,373 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-28 03:01:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:39,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:01:39,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:39,374 INFO L225 Difference]: With dead ends: 63 [2020-11-28 03:01:39,374 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:01:39,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:01:39,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:01:39,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:01:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:01:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-28 03:01:39,380 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-28 03:01:39,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:39,381 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-28 03:01:39,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:01:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-28 03:01:39,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:01:39,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:39,387 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 03:01:39,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:01:39,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:39,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-11-28 03:01:39,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:39,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711539438] [2020-11-28 03:01:39,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:39,518 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 03:01:39,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711539438] [2020-11-28 03:01:39,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:39,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:39,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247665875] [2020-11-28 03:01:39,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:39,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:39,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:39,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:39,521 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-28 03:01:39,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:39,645 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-28 03:01:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:01:39,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:01:39,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:39,650 INFO L225 Difference]: With dead ends: 154 [2020-11-28 03:01:39,650 INFO L226 Difference]: Without dead ends: 126 [2020-11-28 03:01:39,650 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 03:01:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-28 03:01:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-28 03:01:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-28 03:01:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-28 03:01:39,671 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-28 03:01:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:39,672 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-28 03:01:39,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-28 03:01:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:01:39,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:39,674 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 03:01:39,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:01:39,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:39,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-11-28 03:01:39,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:39,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830914293] [2020-11-28 03:01:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:39,776 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 03:01:39,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830914293] [2020-11-28 03:01:39,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:39,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:39,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271744561] [2020-11-28 03:01:39,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:39,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:39,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:39,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:39,779 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-28 03:01:39,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:39,865 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-28 03:01:39,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:39,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:01:39,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:39,868 INFO L225 Difference]: With dead ends: 150 [2020-11-28 03:01:39,868 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:01:39,869 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 03:01:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:01:39,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:01:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:01:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:01:39,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 03:01:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:39,870 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:39,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:39,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:01:39,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:01:39,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:01:40,337 INFO L270 CegarLoopResult]: At program point L217(lines 216 235) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,337 INFO L274 CegarLoopResult]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point L151(lines 150 195) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L270 CegarLoopResult]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2020-11-28 03:01:40,338 INFO L270 CegarLoopResult]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:01:40,338 INFO L274 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-11-28 03:01:40,339 INFO L274 CegarLoopResult]: For program point L796(lines 796 806) no Hoare annotation was computed. [2020-11-28 03:01:40,339 INFO L274 CegarLoopResult]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2020-11-28 03:01:40,340 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2020-11-28 03:01:40,340 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-11-28 03:01:40,340 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2020-11-28 03:01:40,340 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,340 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,341 INFO L274 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-11-28 03:01:40,341 INFO L274 CegarLoopResult]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,341 INFO L274 CegarLoopResult]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2020-11-28 03:01:40,341 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-11-28 03:01:40,341 INFO L274 CegarLoopResult]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,342 INFO L274 CegarLoopResult]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,342 INFO L274 CegarLoopResult]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2020-11-28 03:01:40,342 INFO L274 CegarLoopResult]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2020-11-28 03:01:40,342 INFO L274 CegarLoopResult]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2020-11-28 03:01:40,342 INFO L270 CegarLoopResult]: At program point L302(lines 297 305) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,343 INFO L270 CegarLoopResult]: At program point L781(lines 776 783) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,344 INFO L270 CegarLoopResult]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2020-11-28 03:01:40,345 INFO L270 CegarLoopResult]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2020-11-28 03:01:40,345 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-11-28 03:01:40,351 INFO L270 CegarLoopResult]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,352 INFO L274 CegarLoopResult]: For program point L897(lines 897 904) no Hoare annotation was computed. [2020-11-28 03:01:40,352 INFO L277 CegarLoopResult]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2020-11-28 03:01:40,353 INFO L274 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-11-28 03:01:40,353 INFO L274 CegarLoopResult]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2020-11-28 03:01:40,353 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-11-28 03:01:40,353 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:01:40,354 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:01:40,355 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:01:40,355 INFO L270 CegarLoopResult]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:01:40,356 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-11-28 03:01:40,356 INFO L274 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-11-28 03:01:40,360 INFO L274 CegarLoopResult]: For program point L404-2(line 404) no Hoare annotation was computed. [2020-11-28 03:01:40,360 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:01:40,362 INFO L270 CegarLoopResult]: At program point L224(lines 224 230) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,362 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2020-11-28 03:01:40,362 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2020-11-28 03:01:40,362 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,363 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-11-28 03:01:40,363 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-28 03:01:40,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,363 INFO L270 CegarLoopResult]: At program point L357(lines 342 360) the Hoare annotation is: false [2020-11-28 03:01:40,363 INFO L270 CegarLoopResult]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2020-11-28 03:01:40,364 INFO L270 CegarLoopResult]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2020-11-28 03:01:40,364 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-28 03:01:40,364 INFO L270 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:01:40,364 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-28 03:01:40,364 INFO L277 CegarLoopResult]: At program point L906(lines 887 909) the Hoare annotation is: true [2020-11-28 03:01:40,365 INFO L270 CegarLoopResult]: At program point L873(lines 869 875) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,365 INFO L270 CegarLoopResult]: At program point L196(lines 149 197) the Hoare annotation is: false [2020-11-28 03:01:40,365 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-11-28 03:01:40,365 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:01:40,365 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:01:40,366 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-11-28 03:01:40,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:01:40,366 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) [2020-11-28 03:01:40,366 INFO L270 CegarLoopResult]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2020-11-28 03:01:40,366 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-11-28 03:01:40,367 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2020-11-28 03:01:40,367 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2020-11-28 03:01:40,367 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2020-11-28 03:01:40,367 INFO L274 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-11-28 03:01:40,367 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-11-28 03:01:40,367 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-11-28 03:01:40,368 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 03:01:40,368 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-11-28 03:01:40,369 INFO L274 CegarLoopResult]: For program point L249(lines 249 266) no Hoare annotation was computed. [2020-11-28 03:01:40,369 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2020-11-28 03:01:40,369 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2020-11-28 03:01:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:40 BoogieIcfgContainer [2020-11-28 03:01:40,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:01:40,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:40,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:40,397 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:40,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38" (3/4) ... [2020-11-28 03:01:40,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:01:40,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:01:40,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:01:40,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:01:40,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:01:40,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:01:40,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:40,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:40,459 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:01:40,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-11-28 03:01:40,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-11-28 03:01:40,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,462 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,465 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-11-28 03:01:40,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e22b6cc-6dd1-463f-a1c2-83461e18968d/bin/uautomizer/witness.graphml [2020-11-28 03:01:40,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:40,567 INFO L168 Benchmark]: Toolchain (without parser) took 4082.37 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 43.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,567 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 70.6 MB in the beginning and 70.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:40,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.11 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 57.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.13 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 54.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,569 INFO L168 Benchmark]: Boogie Preprocessor took 51.58 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 52.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,570 INFO L168 Benchmark]: RCFGBuilder took 1066.69 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 49.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,570 INFO L168 Benchmark]: TraceAbstraction took 2202.59 ms. Allocated memory is still 109.1 MB. Free memory was 49.8 MB in the beginning and 51.0 MB in the end (delta: -1.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,571 INFO L168 Benchmark]: Witness Printer took 167.83 ms. Allocated memory is still 109.1 MB. Free memory was 51.0 MB in the beginning and 43.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:40,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 70.6 MB in the beginning and 70.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.11 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 57.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.13 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 54.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.58 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 52.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1066.69 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 49.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2202.59 ms. Allocated memory is still 109.1 MB. Free memory was 49.8 MB in the beginning and 51.0 MB in the end (delta: -1.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Witness Printer took 167.83 ms. Allocated memory is still 109.1 MB. Free memory was 51.0 MB in the beginning and 43.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 388 SDslu, 296 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 285 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 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...