./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d1eb208d6efd7de1545c84c5a943059f225aacb ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-25 08:54:10,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:10,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:10,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:10,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:10,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:10,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:10,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:10,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:10,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:10,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:10,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:10,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:10,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:10,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:10,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:10,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:10,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:10,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:10,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:10,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:10,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:10,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:10,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:10,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:10,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:10,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:10,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:10,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:10,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:10,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:10,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:10,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:10,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:10,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:10,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:10,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:10,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:10,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:10,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:10,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:10,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:10,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:10,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:10,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:10,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:10,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:10,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:10,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:10,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:10,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:10,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:10,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:10,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:10,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:10,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:10,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:10,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:10,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:10,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:10,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:10,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:10,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:10,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:10,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:10,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:10,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:10,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:10,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:10,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:10,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_229d0475-3154-457e-85ce-57df2c1707f3/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(__VERIFIER_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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2019-11-25 08:54:10,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:10,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:10,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:10,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:10,407 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:10,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-25 08:54:10,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/data/9c5ce4487/48c9ee954add4328b54d59c39d0227e4/FLAG22bbc37fd [2019-11-25 08:54:10,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:10,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-11-25 08:54:10,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/data/9c5ce4487/48c9ee954add4328b54d59c39d0227e4/FLAG22bbc37fd [2019-11-25 08:54:11,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/data/9c5ce4487/48c9ee954add4328b54d59c39d0227e4 [2019-11-25 08:54:11,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:11,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:11,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:11,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:11,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:11,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7beeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11, skipping insertion in model container [2019-11-25 08:54:11,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:11,250 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:11,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:11,637 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:11,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:11,751 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:11,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11 WrapperNode [2019-11-25 08:54:11,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:11,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:11,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:11,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:11,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:11,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:11,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:11,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:11,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... [2019-11-25 08:54:11,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:11,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:11,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:11,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:11,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/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 [2019-11-25 08:54:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:54:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:12,661 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:12,661 INFO L284 CfgBuilder]: Removed 76 assume(true) statements. [2019-11-25 08:54:12,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:12 BoogieIcfgContainer [2019-11-25 08:54:12,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:12,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:12,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:12,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:12,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:11" (1/3) ... [2019-11-25 08:54:12,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3937cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:12, skipping insertion in model container [2019-11-25 08:54:12,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:11" (2/3) ... [2019-11-25 08:54:12,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3937cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:12, skipping insertion in model container [2019-11-25 08:54:12,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:12" (3/3) ... [2019-11-25 08:54:12,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2019-11-25 08:54:12,678 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:12,689 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:54:12,698 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:54:12,727 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:12,727 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:12,727 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:12,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:12,727 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:12,727 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:12,728 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:12,728 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-25 08:54:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:54:12,757 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:12,758 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:12,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:12,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:12,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2019-11-25 08:54:12,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:12,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3903035] [2019-11-25 08:54:12,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:13,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3903035] [2019-11-25 08:54:13,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:13,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:13,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139147915] [2019-11-25 08:54:13,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:54:13,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:13,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:54:13,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:13,074 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-25 08:54:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:13,110 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2019-11-25 08:54:13,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:54:13,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:54:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:13,128 INFO L225 Difference]: With dead ends: 124 [2019-11-25 08:54:13,128 INFO L226 Difference]: Without dead ends: 61 [2019-11-25 08:54:13,132 INFO L630 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 [2019-11-25 08:54:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-25 08:54:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-25 08:54:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-25 08:54:13,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2019-11-25 08:54:13,171 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2019-11-25 08:54:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:13,171 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2019-11-25 08:54:13,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:54:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2019-11-25 08:54:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:54:13,173 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:13,173 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:13,173 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:13,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:13,174 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2019-11-25 08:54:13,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:13,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680267217] [2019-11-25 08:54:13,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:13,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680267217] [2019-11-25 08:54:13,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:13,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:13,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106638280] [2019-11-25 08:54:13,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:13,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:13,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:13,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:13,267 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2019-11-25 08:54:13,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:13,281 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2019-11-25 08:54:13,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:13,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:54:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:13,285 INFO L225 Difference]: With dead ends: 61 [2019-11-25 08:54:13,285 INFO L226 Difference]: Without dead ends: 31 [2019-11-25 08:54:13,286 INFO L630 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 [2019-11-25 08:54:13,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-25 08:54:13,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-25 08:54:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 08:54:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-25 08:54:13,301 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-11-25 08:54:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:13,301 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-25 08:54:13,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-25 08:54:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:54:13,303 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:13,303 INFO L410 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] [2019-11-25 08:54:13,303 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:13,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:13,304 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2019-11-25 08:54:13,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:13,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058409995] [2019-11-25 08:54:13,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:13,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058409995] [2019-11-25 08:54:13,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:13,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:13,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528236227] [2019-11-25 08:54:13,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:13,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:13,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:13,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:13,398 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-11-25 08:54:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:13,412 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2019-11-25 08:54:13,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:13,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:54:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:13,414 INFO L225 Difference]: With dead ends: 81 [2019-11-25 08:54:13,414 INFO L226 Difference]: Without dead ends: 56 [2019-11-25 08:54:13,414 INFO L630 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 [2019-11-25 08:54:13,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-25 08:54:13,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-25 08:54:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-25 08:54:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-11-25 08:54:13,430 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2019-11-25 08:54:13,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:13,431 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-11-25 08:54:13,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-11-25 08:54:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:54:13,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:13,432 INFO L410 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] [2019-11-25 08:54:13,432 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2019-11-25 08:54:13,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:13,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228220018] [2019-11-25 08:54:13,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:13,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228220018] [2019-11-25 08:54:13,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:13,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:13,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745762727] [2019-11-25 08:54:13,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:13,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:13,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:13,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:13,550 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-11-25 08:54:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:13,698 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2019-11-25 08:54:13,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:13,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-25 08:54:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:13,707 INFO L225 Difference]: With dead ends: 264 [2019-11-25 08:54:13,707 INFO L226 Difference]: Without dead ends: 218 [2019-11-25 08:54:13,708 INFO L630 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 [2019-11-25 08:54:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-11-25 08:54:13,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2019-11-25 08:54:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-25 08:54:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2019-11-25 08:54:13,731 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2019-11-25 08:54:13,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:13,731 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-25 08:54:13,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2019-11-25 08:54:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 08:54:13,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:13,732 INFO L410 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] [2019-11-25 08:54:13,732 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:13,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:13,733 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2019-11-25 08:54:13,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:13,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490086780] [2019-11-25 08:54:13,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:13,949 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:13,949 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:54:14,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:14 BoogieIcfgContainer [2019-11-25 08:54:14,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:14,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:14,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:14,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:14,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:12" (3/4) ... [2019-11-25 08:54:14,065 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:54:14,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_229d0475-3154-457e-85ce-57df2c1707f3/bin/uautomizer/witness.graphml [2019-11-25 08:54:14,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:14,168 INFO L168 Benchmark]: Toolchain (without parser) took 2970.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.8 MB in the beginning and 969.9 MB in the end (delta: -25.1 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,168 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:14,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,173 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:14,173 INFO L168 Benchmark]: RCFGBuilder took 817.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,174 INFO L168 Benchmark]: TraceAbstraction took 1388.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.3 MB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,174 INFO L168 Benchmark]: Witness Printer took 113.87 ms. Allocated memory is still 1.2 GB. Free memory was 983.3 MB in the beginning and 969.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:14,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -205.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 817.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1388.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.3 MB in the end (delta: 93.4 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. * Witness Printer took 113.87 ms. Allocated memory is still 1.2 GB. Free memory was 983.3 MB in the beginning and 969.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...