./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/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 c4608a8062f27af1fb75c6b614ba3695c40f562a ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 01:27:46,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:27:46,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:27:46,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:27:46,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:27:46,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:27:46,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:27:46,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:27:46,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:27:46,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:27:46,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:27:46,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:27:46,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:27:46,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:27:46,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:27:46,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:27:46,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:27:46,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:27:46,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:27:46,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:27:46,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:27:46,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:27:46,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:27:46,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:27:46,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:27:46,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:27:46,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:27:46,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:27:46,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:27:46,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:27:46,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:27:46,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:27:46,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:27:46,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:27:46,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:27:46,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:27:46,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:27:46,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:27:46,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:27:46,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:27:46,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:27:46,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:27:46,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:27:46,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:27:46,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:27:46,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:27:46,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:27:46,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:27:46,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:27:46,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:27:46,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:27:46,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:27:46,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:27:46,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:27:46,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:27:46,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:27:46,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:27:46,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:27:46,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:27:46,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:27:46,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:27:46,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:27:46,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:27:46,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:27:46,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:27:46,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:27:46,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:27:46,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:27:46,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:27:46,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:27:46,629 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_d4e4fe02-6233-4599-98f0-7d957973c254/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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2019-11-20 01:27:46,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:27:46,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:27:46,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:27:46,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:27:46,793 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:27:46,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2019-11-20 01:27:46,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/data/6e0a4a229/6f81c57518424bfb9688c341353eb969/FLAG61061b116 [2019-11-20 01:27:47,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:27:47,363 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2019-11-20 01:27:47,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/data/6e0a4a229/6f81c57518424bfb9688c341353eb969/FLAG61061b116 [2019-11-20 01:27:47,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/data/6e0a4a229/6f81c57518424bfb9688c341353eb969 [2019-11-20 01:27:47,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:27:47,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:27:47,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:27:47,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:27:47,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:27:47,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:27:47" (1/1) ... [2019-11-20 01:27:47,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73315974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:47, skipping insertion in model container [2019-11-20 01:27:47,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:27:47" (1/1) ... [2019-11-20 01:27:47,657 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:27:47,696 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:27:48,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:27:48,049 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:27:48,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:27:48,147 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:27:48,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48 WrapperNode [2019-11-20 01:27:48,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:27:48,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:27:48,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:27:48,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:27:48,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:27:48,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:27:48,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:27:48,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:27:48,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... [2019-11-20 01:27:48,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:27:48,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:27:48,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:27:48,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:27:48,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/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 [2019-11-20 01:27:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:27:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:27:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:27:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:27:49,044 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:27:49,044 INFO L285 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-20 01:27:49,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:27:49 BoogieIcfgContainer [2019-11-20 01:27:49,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:27:49,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:27:49,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:27:49,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:27:49,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:27:47" (1/3) ... [2019-11-20 01:27:49,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d43311c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:27:49, skipping insertion in model container [2019-11-20 01:27:49,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:27:48" (2/3) ... [2019-11-20 01:27:49,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d43311c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:27:49, skipping insertion in model container [2019-11-20 01:27:49,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:27:49" (3/3) ... [2019-11-20 01:27:49,061 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2019-11-20 01:27:49,067 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:27:49,073 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 01:27:49,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 01:27:49,098 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:27:49,098 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:27:49,098 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:27:49,098 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:27:49,098 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:27:49,099 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:27:49,099 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:27:49,099 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:27:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-11-20 01:27:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:27:49,118 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:49,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:27:49,119 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:49,124 INFO L82 PathProgramCache]: Analyzing trace with hash 928665618, now seen corresponding path program 1 times [2019-11-20 01:27:49,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:27:49,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787963294] [2019-11-20 01:27:49,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:27:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:27:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:27:49,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787963294] [2019-11-20 01:27:49,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:27:49,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:27:49,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504789872] [2019-11-20 01:27:49,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 01:27:49,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:27:49,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:27:49,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:27:49,359 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-11-20 01:27:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:27:49,380 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2019-11-20 01:27:49,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:27:49,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 01:27:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:27:49,391 INFO L225 Difference]: With dead ends: 156 [2019-11-20 01:27:49,391 INFO L226 Difference]: Without dead ends: 77 [2019-11-20 01:27:49,394 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 [2019-11-20 01:27:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-20 01:27:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-11-20 01:27:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 01:27:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2019-11-20 01:27:49,447 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2019-11-20 01:27:49,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:27:49,447 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-11-20 01:27:49,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 01:27:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-11-20 01:27:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 01:27:49,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:49,448 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:27:49,449 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:49,449 INFO L82 PathProgramCache]: Analyzing trace with hash 674916017, now seen corresponding path program 1 times [2019-11-20 01:27:49,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:27:49,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251570890] [2019-11-20 01:27:49,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:27:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:27:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:27:49,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251570890] [2019-11-20 01:27:49,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:27:49,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:27:49,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858005493] [2019-11-20 01:27:49,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:27:49,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:27:49,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:27:49,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:27:49,602 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 3 states. [2019-11-20 01:27:49,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:27:49,612 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2019-11-20 01:27:49,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:27:49,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 01:27:49,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:27:49,614 INFO L225 Difference]: With dead ends: 77 [2019-11-20 01:27:49,614 INFO L226 Difference]: Without dead ends: 35 [2019-11-20 01:27:49,615 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 [2019-11-20 01:27:49,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-20 01:27:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-20 01:27:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 01:27:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-20 01:27:49,620 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-11-20 01:27:49,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:27:49,620 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-20 01:27:49,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:27:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-20 01:27:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:27:49,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:49,622 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] [2019-11-20 01:27:49,622 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:49,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:49,623 INFO L82 PathProgramCache]: Analyzing trace with hash 492093711, now seen corresponding path program 1 times [2019-11-20 01:27:49,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:27:49,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274907066] [2019-11-20 01:27:49,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:27:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:27:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:27:49,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274907066] [2019-11-20 01:27:49,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:27:49,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:27:49,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578437529] [2019-11-20 01:27:49,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:27:49,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:27:49,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:27:49,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:27:49,767 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-11-20 01:27:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:27:49,858 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2019-11-20 01:27:49,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:27:49,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 01:27:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:27:49,859 INFO L225 Difference]: With dead ends: 64 [2019-11-20 01:27:49,860 INFO L226 Difference]: Without dead ends: 35 [2019-11-20 01:27:49,860 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:27:49,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-20 01:27:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-20 01:27:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 01:27:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-11-20 01:27:49,866 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-11-20 01:27:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:27:49,866 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-11-20 01:27:49,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:27:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-11-20 01:27:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:27:49,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:49,868 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] [2019-11-20 01:27:49,868 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:49,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:49,869 INFO L82 PathProgramCache]: Analyzing trace with hash -147058101, now seen corresponding path program 1 times [2019-11-20 01:27:49,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:27:49,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282746052] [2019-11-20 01:27:49,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:27:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:27:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:27:49,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282746052] [2019-11-20 01:27:49,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:27:49,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 01:27:49,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526509091] [2019-11-20 01:27:49,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:27:49,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:27:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:27:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:27:49,959 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-11-20 01:27:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:27:50,125 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2019-11-20 01:27:50,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:27:50,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 01:27:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:27:50,128 INFO L225 Difference]: With dead ends: 172 [2019-11-20 01:27:50,128 INFO L226 Difference]: Without dead ends: 143 [2019-11-20 01:27:50,129 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 [2019-11-20 01:27:50,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-20 01:27:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 60. [2019-11-20 01:27:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-20 01:27:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-11-20 01:27:50,141 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 25 [2019-11-20 01:27:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:27:50,141 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-11-20 01:27:50,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:27:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-20 01:27:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:27:50,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:50,143 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, 1] [2019-11-20 01:27:50,143 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2106367091, now seen corresponding path program 1 times [2019-11-20 01:27:50,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:27:50,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944449269] [2019-11-20 01:27:50,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:27:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:27:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:27:50,296 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:27:50,296 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:27:50,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:27:50 BoogieIcfgContainer [2019-11-20 01:27:50,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:27:50,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:27:50,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:27:50,412 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:27:50,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:27:49" (3/4) ... [2019-11-20 01:27:50,414 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 01:27:50,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d4e4fe02-6233-4599-98f0-7d957973c254/bin/uautomizer/witness.graphml [2019-11-20 01:27:50,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:27:50,522 INFO L168 Benchmark]: Toolchain (without parser) took 2884.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 946.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,522 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:27:50,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,524 INFO L168 Benchmark]: Boogie Preprocessor took 35.26 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. [2019-11-20 01:27:50,524 INFO L168 Benchmark]: RCFGBuilder took 798.98 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,525 INFO L168 Benchmark]: TraceAbstraction took 1364.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,525 INFO L168 Benchmark]: Witness Printer took 108.34 ms. Allocated memory is still 1.2 GB. Free memory was 957.3 MB in the beginning and 946.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:27:50,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.26 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 798.98 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1364.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * Witness Printer took 108.34 ms. Allocated memory is still 1.2 GB. Free memory was 957.3 MB in the beginning and 946.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND TRUE \read(tmp___2) [L826] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) [L689] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __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, 81 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 279 SDtfs, 367 SDslu, 187 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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, 4 MinimizatonAttempts, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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...