./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:06:01,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:06:01,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:06:01,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:06:01,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:06:01,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:06:01,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:06:01,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:06:01,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:06:01,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:06:01,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:06:01,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:06:01,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:06:01,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:06:01,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:06:01,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:06:01,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:06:01,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:06:01,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:06:01,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:06:01,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:06:01,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:06:01,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:06:01,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:06:01,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:06:01,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:06:01,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:06:01,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:06:01,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:06:01,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:06:01,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:06:01,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:06:01,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:06:01,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:06:01,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:06:01,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:06:01,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:06:01,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:06:01,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:06:01,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:06:01,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:06:01,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:06:01,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:06:01,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:06:01,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:06:01,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:06:01,277 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:06:01,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:06:01,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:06:01,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:06:01,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:06:01,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:06:01,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:06:01,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:06:01,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:06:01,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:06:01,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:06:01,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:06:01,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:06:01,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:06:01,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:06:01,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:06:01,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:06:01,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:06:01,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:06:01,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:06:01,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:06:01,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:06:01,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:06:01,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:06:01,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:06:01,285 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 [2020-10-25 23:06:01,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:06:01,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:06:01,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:06:01,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:06:01,742 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:06:01,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-10-25 23:06:01,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076aa6278/96067ea50cc941d5bf47c6e8a2696f75/FLAG7dd3ccf53 [2020-10-25 23:06:02,477 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:06:02,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-10-25 23:06:02,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076aa6278/96067ea50cc941d5bf47c6e8a2696f75/FLAG7dd3ccf53 [2020-10-25 23:06:02,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076aa6278/96067ea50cc941d5bf47c6e8a2696f75 [2020-10-25 23:06:02,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:06:02,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:06:02,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:02,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:06:02,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:06:02,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:02" (1/1) ... [2020-10-25 23:06:02,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18aab6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:02, skipping insertion in model container [2020-10-25 23:06:02,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:02" (1/1) ... [2020-10-25 23:06:02,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:06:02,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:06:03,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:03,235 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:06:03,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:03,365 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:06:03,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03 WrapperNode [2020-10-25 23:06:03,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:03,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:03,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:06:03,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:06:03,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:03,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:06:03,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:06:03,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:06:03,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... [2020-10-25 23:06:03,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:06:03,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:06:03,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:06:03,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:06:03,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:06:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:06:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:06:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:06:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:06:04,639 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:06:04,640 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-10-25 23:06:04,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:04 BoogieIcfgContainer [2020-10-25 23:06:04,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:06:04,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:06:04,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:06:04,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:06:04,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:06:02" (1/3) ... [2020-10-25 23:06:04,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df25d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:04, skipping insertion in model container [2020-10-25 23:06:04,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:03" (2/3) ... [2020-10-25 23:06:04,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df25d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:04, skipping insertion in model container [2020-10-25 23:06:04,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:04" (3/3) ... [2020-10-25 23:06:04,653 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-10-25 23:06:04,666 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:06:04,673 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:06:04,687 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:06:04,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:06:04,718 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:06:04,718 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:06:04,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:06:04,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:06:04,719 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:06:04,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:06:04,719 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:06:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-25 23:06:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:06:04,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:04,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:04,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash 485436412, now seen corresponding path program 1 times [2020-10-25 23:06:04,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:04,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532131506] [2020-10-25 23:06:04,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:05,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532131506] [2020-10-25 23:06:05,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:05,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:05,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139785585] [2020-10-25 23:06:05,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:06:05,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:05,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:06:05,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:06:05,103 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-10-25 23:06:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:05,128 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-10-25 23:06:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:06:05,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:06:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:05,141 INFO L225 Difference]: With dead ends: 123 [2020-10-25 23:06:05,141 INFO L226 Difference]: Without dead ends: 59 [2020-10-25 23:06:05,145 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 [2020-10-25 23:06:05,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-25 23:06:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-25 23:06:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-25 23:06:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-10-25 23:06:05,190 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-10-25 23:06:05,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:05,190 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-25 23:06:05,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:06:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-10-25 23:06:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:06:05,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:05,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:05,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:06:05,193 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:05,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash -425594341, now seen corresponding path program 1 times [2020-10-25 23:06:05,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:05,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558483572] [2020-10-25 23:06:05,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:05,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558483572] [2020-10-25 23:06:05,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:05,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:05,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496262718] [2020-10-25 23:06:05,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:05,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:05,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:05,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:05,339 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-10-25 23:06:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:05,361 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-10-25 23:06:05,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:05,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:06:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:05,363 INFO L225 Difference]: With dead ends: 59 [2020-10-25 23:06:05,363 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:06:05,365 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 [2020-10-25 23:06:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:06:05,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:06:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:06:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:06:05,377 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-10-25 23:06:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:05,377 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:06:05,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:06:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:06:05,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:05,379 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] [2020-10-25 23:06:05,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:06:05,382 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:05,384 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2020-10-25 23:06:05,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:05,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159479964] [2020-10-25 23:06:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:05,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159479964] [2020-10-25 23:06:05,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:05,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:05,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856469247] [2020-10-25 23:06:05,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:05,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:05,514 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-25 23:06:05,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:05,655 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-10-25 23:06:05,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:05,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:06:05,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:05,657 INFO L225 Difference]: With dead ends: 130 [2020-10-25 23:06:05,658 INFO L226 Difference]: Without dead ends: 107 [2020-10-25 23:06:05,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-25 23:06:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-10-25 23:06:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 23:06:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-10-25 23:06:05,670 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-10-25 23:06:05,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:05,671 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-10-25 23:06:05,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-10-25 23:06:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:06:05,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:05,673 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] [2020-10-25 23:06:05,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:06:05,673 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:05,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2020-10-25 23:06:05,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:05,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756001998] [2020-10-25 23:06:05,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 23:06:05,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 23:06:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 23:06:05,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 23:06:06,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 23:06:06,001 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 23:06:06,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:06:06,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:06:06 BoogieIcfgContainer [2020-10-25 23:06:06,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:06:06,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:06:06,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:06:06,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:06:06,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:04" (3/4) ... [2020-10-25 23:06:06,132 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 23:06:06,259 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:06:06,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:06:06,262 INFO L168 Benchmark]: Toolchain (without parser) took 3476.91 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.2 MB in the beginning and 38.4 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,263 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 39.8 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:06,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 28.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.90 ms. Allocated memory is still 56.6 MB. Free memory was 28.3 MB in the beginning and 40.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,265 INFO L168 Benchmark]: Boogie Preprocessor took 46.40 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 38.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:06,266 INFO L168 Benchmark]: RCFGBuilder took 1141.06 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 38.6 MB in the beginning and 42.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,266 INFO L168 Benchmark]: TraceAbstraction took 1483.57 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 41.8 MB in the beginning and 48.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,267 INFO L168 Benchmark]: Witness Printer took 131.55 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 38.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:06,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 39.8 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.42 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 28.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.90 ms. Allocated memory is still 56.6 MB. Free memory was 28.3 MB in the beginning and 40.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.40 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 38.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1141.06 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 38.6 MB in the beginning and 42.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1483.57 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 41.8 MB in the beginning and 48.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Witness Printer took 131.55 ms. Allocated memory is still 83.9 MB. Free memory was 48.9 MB in the beginning and 38.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L405] int waterLevel = 1; [L406] int methaneLevelCritical = 0; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] int retValue_acc ; [L383] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L389] tmp = valid_product() [L391] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] tmp = __VERIFIER_nondet_int() [L181] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] COND TRUE waterLevel < 2 [L424] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L58] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L444] int retValue_acc ; [L447] retValue_acc = methaneLevelCritical [L448] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isMethaneLevelCritical() [L275] COND FALSE !(\read(tmp)) [L476] int retValue_acc ; [L479] retValue_acc = waterLevel [L480] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___0 = getWaterLevel() [L281] COND TRUE tmp___0 == 2 [L113] int retValue_acc ; [L116] retValue_acc = pumpRunning [L117] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] tmp___1 = isPumpRunning() [L285] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product01.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 incorrect! Received shutdown request...