./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/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 9adf580d787f62224e97e4e19700baa564f81557 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:02:31,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:02:31,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:02:31,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:02:31,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:02:31,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:02:31,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:02:31,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:02:31,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:02:31,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:02:31,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:02:31,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:02:31,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:02:31,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:02:31,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:02:31,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:02:31,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:02:31,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:02:31,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:02:31,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:02:31,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:02:31,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:02:31,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:02:31,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:02:31,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:02:31,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:02:31,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:02:31,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:02:31,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:02:31,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:02:31,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:02:31,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:02:31,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:02:31,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:02:31,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:02:31,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:02:31,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:02:31,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:02:31,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:02:31,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:02:31,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:02:31,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:02:31,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:02:31,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:02:31,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:02:31,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:02:31,460 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:02:31,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:02:31,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:02:31,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:02:31,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:02:31,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:02:31,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:02:31,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:02:31,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:02:31,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:02:31,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:02:31,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:02:31,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:02:31,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:02:31,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:02:31,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:02:31,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:02:31,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:02:31,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:02:31,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:02:31,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:02:31,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:02:31,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:02:31,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:02:31,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:02:31,467 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_d65bfe2c-eb47-455c-8151-37e5525412bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9adf580d787f62224e97e4e19700baa564f81557 [2020-11-30 01:02:31,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:02:31,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:02:31,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:02:31,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:02:31,914 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:02:31,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-11-30 01:02:32,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/data/e7df3e2db/95968ad72e654b0599dec94bf4d01b8e/FLAGceac5462a [2020-11-30 01:02:32,956 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:02:32,957 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-11-30 01:02:32,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/data/e7df3e2db/95968ad72e654b0599dec94bf4d01b8e/FLAGceac5462a [2020-11-30 01:02:33,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/data/e7df3e2db/95968ad72e654b0599dec94bf4d01b8e [2020-11-30 01:02:33,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:02:33,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:02:33,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:33,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:02:33,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:02:33,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:33,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a68ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33, skipping insertion in model container [2020-11-30 01:02:33,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:33,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:02:33,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:02:33,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:33,701 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:02:33,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:33,843 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:02:33,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33 WrapperNode [2020-11-30 01:02:33,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:33,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:33,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:02:33,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:02:33,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:33,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:33,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:33,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:02:33,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:02:33,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:02:33,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:33,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... [2020-11-30 01:02:34,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:02:34,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:02:34,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:02:34,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:02:34,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/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 [2020-11-30 01:02:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:02:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:02:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:02:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:02:35,584 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:02:35,591 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-30 01:02:35,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:35 BoogieIcfgContainer [2020-11-30 01:02:35,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:02:35,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:02:35,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:02:35,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:02:35,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:02:33" (1/3) ... [2020-11-30 01:02:35,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:02:35, skipping insertion in model container [2020-11-30 01:02:35,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:33" (2/3) ... [2020-11-30 01:02:35,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:02:35, skipping insertion in model container [2020-11-30 01:02:35,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:35" (3/3) ... [2020-11-30 01:02:35,609 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-11-30 01:02:35,625 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:02:35,631 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:02:35,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:02:35,694 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:02:35,695 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:02:35,695 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:02:35,695 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:02:35,696 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:02:35,696 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:02:35,696 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:02:35,697 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:02:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-30 01:02:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:02:35,737 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:35,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:35,741 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:35,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:35,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-11-30 01:02:35,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:35,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866607322] [2020-11-30 01:02:35,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:36,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866607322] [2020-11-30 01:02:36,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:36,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:02:36,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592314098] [2020-11-30 01:02:36,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:02:36,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:36,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:02:36,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:02:36,262 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-30 01:02:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:36,296 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-30 01:02:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:02:36,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 01:02:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:36,312 INFO L225 Difference]: With dead ends: 147 [2020-11-30 01:02:36,312 INFO L226 Difference]: Without dead ends: 71 [2020-11-30 01:02:36,317 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 [2020-11-30 01:02:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-30 01:02:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-30 01:02:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-30 01:02:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-30 01:02:36,378 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-11-30 01:02:36,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:36,378 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-30 01:02:36,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:02:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-30 01:02:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:02:36,381 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:36,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:02:36,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:02:36,382 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:36,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:36,383 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-11-30 01:02:36,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:36,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76676168] [2020-11-30 01:02:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:36,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76676168] [2020-11-30 01:02:36,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:36,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:02:36,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654895878] [2020-11-30 01:02:36,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:02:36,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:36,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:02:36,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:02:36,541 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-11-30 01:02:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:36,565 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-30 01:02:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:02:36,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 01:02:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:36,567 INFO L225 Difference]: With dead ends: 71 [2020-11-30 01:02:36,569 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 01:02:36,571 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 [2020-11-30 01:02:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 01:02:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-30 01:02:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-30 01:02:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-30 01:02:36,582 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-30 01:02:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:36,582 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-30 01:02:36,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:02:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-30 01:02:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:02:36,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:36,585 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] [2020-11-30 01:02:36,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:02:36,586 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:36,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:36,588 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-11-30 01:02:36,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:36,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001163782] [2020-11-30 01:02:36,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:36,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001163782] [2020-11-30 01:02:36,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:36,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:02:36,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238369865] [2020-11-30 01:02:36,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:02:36,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:36,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:02:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:02:36,769 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-11-30 01:02:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:36,790 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-30 01:02:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:02:36,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-30 01:02:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:36,794 INFO L225 Difference]: With dead ends: 60 [2020-11-30 01:02:36,794 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 01:02:36,796 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 [2020-11-30 01:02:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 01:02:36,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-30 01:02:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-30 01:02:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-30 01:02:36,810 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-11-30 01:02:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:36,811 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-30 01:02:36,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:02:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-30 01:02:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:02:36,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:36,815 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] [2020-11-30 01:02:36,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:02:36,816 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:36,816 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-11-30 01:02:36,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:36,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832412926] [2020-11-30 01:02:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:36,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832412926] [2020-11-30 01:02:36,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:36,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:02:36,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472498458] [2020-11-30 01:02:36,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:02:36,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:36,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:02:36,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:02:36,985 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-30 01:02:37,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:37,181 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2020-11-30 01:02:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:02:37,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-30 01:02:37,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:37,187 INFO L225 Difference]: With dead ends: 120 [2020-11-30 01:02:37,187 INFO L226 Difference]: Without dead ends: 93 [2020-11-30 01:02:37,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:02:37,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-30 01:02:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2020-11-30 01:02:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-30 01:02:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-11-30 01:02:37,207 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2020-11-30 01:02:37,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:37,208 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-11-30 01:02:37,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:02:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-11-30 01:02:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:02:37,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:02:37,210 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] [2020-11-30 01:02:37,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:02:37,211 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:02:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:37,213 INFO L82 PathProgramCache]: Analyzing trace with hash 320721258, now seen corresponding path program 1 times [2020-11-30 01:02:37,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:02:37,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178488469] [2020-11-30 01:02:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:02:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:37,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178488469] [2020-11-30 01:02:37,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:02:37,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:02:37,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806979585] [2020-11-30 01:02:37,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:02:37,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:02:37,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:02:37,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:02:37,355 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2020-11-30 01:02:37,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:02:37,445 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2020-11-30 01:02:37,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:02:37,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 01:02:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:02:37,447 INFO L225 Difference]: With dead ends: 124 [2020-11-30 01:02:37,447 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:02:37,448 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 [2020-11-30 01:02:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:02:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:02:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:02:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:02:37,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-30 01:02:37,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:02:37,449 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:02:37,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:02:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:02:37,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:02:37,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:02:37,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:02:37,805 INFO L270 CegarLoopResult]: At program point L448(lines 443 451) the Hoare annotation is: false [2020-11-30 01:02:37,806 INFO L270 CegarLoopResult]: At program point L448-1(lines 443 451) the Hoare annotation is: false [2020-11-30 01:02:37,806 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-11-30 01:02:37,806 INFO L270 CegarLoopResult]: At program point L448-2(lines 443 451) the Hoare annotation is: false [2020-11-30 01:02:37,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,806 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-30 01:02:37,806 INFO L270 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,807 INFO L270 CegarLoopResult]: At program point L878(lines 874 880) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 185) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,807 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-11-30 01:02:37,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:02:37,808 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-11-30 01:02:37,808 INFO L274 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-11-30 01:02:37,808 INFO L270 CegarLoopResult]: At program point L136(lines 135 154) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,808 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 142) no Hoare annotation was computed. [2020-11-30 01:02:37,808 INFO L270 CegarLoopResult]: At program point L136-2(lines 135 154) the Hoare annotation is: false [2020-11-30 01:02:37,808 INFO L270 CegarLoopResult]: At program point L136-3(lines 135 154) the Hoare annotation is: false [2020-11-30 01:02:37,808 INFO L270 CegarLoopResult]: At program point L830-2(lines 830 844) the Hoare annotation is: false [2020-11-30 01:02:37,809 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-11-30 01:02:37,809 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-11-30 01:02:37,809 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-11-30 01:02:37,811 INFO L274 CegarLoopResult]: For program point L172(lines 172 180) no Hoare annotation was computed. [2020-11-30 01:02:37,811 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-11-30 01:02:37,811 INFO L274 CegarLoopResult]: For program point L172-1(lines 172 180) no Hoare annotation was computed. [2020-11-30 01:02:37,811 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2020-11-30 01:02:37,812 INFO L274 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,813 INFO L274 CegarLoopResult]: For program point L288-2(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,816 INFO L274 CegarLoopResult]: For program point L288-3(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,817 INFO L274 CegarLoopResult]: For program point L288-5(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,818 INFO L274 CegarLoopResult]: For program point L288-6(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,818 INFO L274 CegarLoopResult]: For program point L288-8(lines 288 292) no Hoare annotation was computed. [2020-11-30 01:02:37,818 INFO L270 CegarLoopResult]: At program point L239(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,819 INFO L270 CegarLoopResult]: At program point L239-1(lines 234 242) the Hoare annotation is: false [2020-11-30 01:02:37,819 INFO L270 CegarLoopResult]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2020-11-30 01:02:37,819 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-11-30 01:02:37,820 INFO L274 CegarLoopResult]: For program point L834-1(lines 136 142) no Hoare annotation was computed. [2020-11-30 01:02:37,821 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:02:37,821 INFO L274 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-11-30 01:02:37,821 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,826 INFO L274 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-11-30 01:02:37,827 INFO L277 CegarLoopResult]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2020-11-30 01:02:37,828 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,828 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-11-30 01:02:37,828 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-11-30 01:02:37,829 INFO L270 CegarLoopResult]: At program point L324(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 01:02:37,830 INFO L270 CegarLoopResult]: At program point L143(lines 143 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,830 INFO L270 CegarLoopResult]: At program point L143-1(lines 143 149) the Hoare annotation is: false [2020-11-30 01:02:37,830 INFO L270 CegarLoopResult]: At program point L143-2(lines 143 149) the Hoare annotation is: false [2020-11-30 01:02:37,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:02:37,831 INFO L270 CegarLoopResult]: At program point L111(lines 64 112) the Hoare annotation is: false [2020-11-30 01:02:37,832 INFO L274 CegarLoopResult]: For program point L95(lines 95 106) no Hoare annotation was computed. [2020-11-30 01:02:37,832 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 01:02:37,832 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-30 01:02:37,832 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-30 01:02:37,832 INFO L270 CegarLoopResult]: At program point L294(lines 279 297) the Hoare annotation is: false [2020-11-30 01:02:37,833 INFO L270 CegarLoopResult]: At program point L294-1(lines 279 297) the Hoare annotation is: false [2020-11-30 01:02:37,833 INFO L270 CegarLoopResult]: At program point L294-2(lines 279 297) the Hoare annotation is: false [2020-11-30 01:02:37,833 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-11-30 01:02:37,834 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:02:37,834 INFO L274 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-11-30 01:02:37,835 INFO L270 CegarLoopResult]: At program point L346-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 01:02:37,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:02:37,835 INFO L274 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-11-30 01:02:37,835 INFO L270 CegarLoopResult]: At program point L346-3(lines 1 913) the Hoare annotation is: false [2020-11-30 01:02:37,835 INFO L274 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-11-30 01:02:37,837 INFO L270 CegarLoopResult]: At program point L346-5(lines 1 913) the Hoare annotation is: false [2020-11-30 01:02:37,838 INFO L274 CegarLoopResult]: For program point L66(lines 65 110) no Hoare annotation was computed. [2020-11-30 01:02:37,838 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-30 01:02:37,838 INFO L277 CegarLoopResult]: At program point L910(lines 891 913) the Hoare annotation is: true [2020-11-30 01:02:37,838 INFO L270 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 01:02:37,839 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-30 01:02:37,839 INFO L274 CegarLoopResult]: For program point L101-2(lines 136 142) no Hoare annotation was computed. [2020-11-30 01:02:37,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:02:37 BoogieIcfgContainer [2020-11-30 01:02:37,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:02:37,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:02:37,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:02:37,871 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:02:37,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:35" (3/4) ... [2020-11-30 01:02:37,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:02:37,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:02:37,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:02:37,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:02:37,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:02:37,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:02:37,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:02:37,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:02:37,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 01:02:38,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d65bfe2c-eb47-455c-8151-37e5525412bf/bin/uautomizer/witness.graphml [2020-11-30 01:02:38,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:02:38,055 INFO L168 Benchmark]: Toolchain (without parser) took 4907.32 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 63.3 MB in the beginning and 45.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,056 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 100.7 MB. Free memory was 80.6 MB in the beginning and 80.5 MB in the end (delta: 64.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:02:38,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.80 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 67.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.13 ms. Allocated memory is still 100.7 MB. Free memory was 67.9 MB in the beginning and 64.9 MB in the end (delta: 3.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:02:38,058 INFO L168 Benchmark]: Boogie Preprocessor took 58.86 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,058 INFO L168 Benchmark]: RCFGBuilder took 1564.83 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 62.8 MB in the beginning and 96.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,059 INFO L168 Benchmark]: TraceAbstraction took 2271.58 ms. Allocated memory is still 142.6 MB. Free memory was 96.5 MB in the beginning and 53.2 MB in the end (delta: 43.3 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,059 INFO L168 Benchmark]: Witness Printer took 181.79 ms. Allocated memory is still 142.6 MB. Free memory was 53.2 MB in the beginning and 45.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:38,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 100.7 MB. Free memory was 80.6 MB in the beginning and 80.5 MB in the end (delta: 64.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.80 ms. Allocated memory is still 100.7 MB. Free memory was 63.2 MB in the beginning and 67.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.13 ms. Allocated memory is still 100.7 MB. Free memory was 67.9 MB in the beginning and 64.9 MB in the end (delta: 3.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.86 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1564.83 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 62.8 MB in the beginning and 96.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2271.58 ms. Allocated memory is still 142.6 MB. Free memory was 96.5 MB in the beginning and 53.2 MB in the end (delta: 43.3 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * Witness Printer took 181.79 ms. Allocated memory is still 142.6 MB. Free memory was 53.2 MB in the beginning and 45.8 MB in the end (delta: 7.3 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: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 272 SDslu, 210 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...