./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.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_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/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 c762bce629f36cf7371b941fff55f6d65cb160f7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:07:35,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:07:35,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:07:35,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:07:35,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:07:35,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:07:35,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:07:35,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:07:35,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:07:35,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:07:35,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:07:35,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:07:35,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:07:35,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:07:35,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:07:35,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:07:35,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:07:35,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:07:35,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:07:35,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:07:35,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:07:35,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:07:35,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:07:35,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:07:35,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:07:35,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:07:35,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:07:35,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:07:35,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:07:35,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:07:35,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:07:35,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:07:35,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:07:35,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:07:35,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:07:35,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:07:35,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:07:35,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:07:35,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:07:35,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:07:35,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:07:35,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:07:35,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:07:35,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:07:35,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:07:35,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:07:35,437 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:07:35,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:07:35,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:07:35,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:07:35,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:07:35,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:07:35,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:07:35,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:07:35,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:07:35,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:07:35,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:07:35,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:07:35,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:07:35,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:07:35,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:07:35,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:07:35,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:07:35,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:07:35,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:07:35,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:07:35,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:07:35,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:07:35,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:07:35,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:07:35,448 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_8138cf35-bcbb-471b-86ec-ae86bf96f42c/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2019-11-20 02:07:35,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:07:35,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:07:35,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:07:35,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:07:35,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:07:35,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-11-20 02:07:35,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/data/868cf145d/d4d3162f3c9747178dd2ff0d97e5ea5a/FLAGc6174b10c [2019-11-20 02:07:36,066 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:07:36,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-11-20 02:07:36,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/data/868cf145d/d4d3162f3c9747178dd2ff0d97e5ea5a/FLAGc6174b10c [2019-11-20 02:07:36,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/data/868cf145d/d4d3162f3c9747178dd2ff0d97e5ea5a [2019-11-20 02:07:36,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:07:36,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:07:36,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:07:36,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:07:36,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:07:36,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b2c38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36, skipping insertion in model container [2019-11-20 02:07:36,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:07:36,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:07:36,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:07:36,736 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:07:36,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:07:36,836 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:07:36,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36 WrapperNode [2019-11-20 02:07:36,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:07:36,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:07:36,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:07:36,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:07:36,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:07:36,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:07:36,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:07:36,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:07:36,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:07:36,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:07:36,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:07:36,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:07:36,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/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 02:07:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:07:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:07:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:07:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:07:37,722 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:07:37,723 INFO L285 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-20 02:07:37,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:37 BoogieIcfgContainer [2019-11-20 02:07:37,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:07:37,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:07:37,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:07:37,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:07:37,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:07:36" (1/3) ... [2019-11-20 02:07:37,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df53a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:07:37, skipping insertion in model container [2019-11-20 02:07:37,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:36" (2/3) ... [2019-11-20 02:07:37,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df53a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:07:37, skipping insertion in model container [2019-11-20 02:07:37,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:37" (3/3) ... [2019-11-20 02:07:37,731 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2019-11-20 02:07:37,740 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:07:37,746 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 02:07:37,756 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 02:07:37,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:07:37,780 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:07:37,780 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:07:37,780 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:07:37,780 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:07:37,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:07:37,780 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:07:37,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:07:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-20 02:07:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:07:37,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:07:37,803 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 02:07:37,804 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:07:37,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:37,810 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2019-11-20 02:07:37,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:07:37,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611343096] [2019-11-20 02:07:37,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:07:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,011 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 02:07:38,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611343096] [2019-11-20 02:07:38,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:07:38,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:07:38,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857706213] [2019-11-20 02:07:38,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:07:38,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:07:38,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:07:38,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:07:38,033 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-20 02:07:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:07:38,058 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-20 02:07:38,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:07:38,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 02:07:38,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:07:38,070 INFO L225 Difference]: With dead ends: 144 [2019-11-20 02:07:38,070 INFO L226 Difference]: Without dead ends: 71 [2019-11-20 02:07:38,074 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 02:07:38,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-20 02:07:38,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-20 02:07:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-20 02:07:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-20 02:07:38,112 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-11-20 02:07:38,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:07:38,113 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-20 02:07:38,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:07:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-20 02:07:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 02:07:38,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:07:38,114 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 02:07:38,115 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:07:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:38,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2019-11-20 02:07:38,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:07:38,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389501203] [2019-11-20 02:07:38,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:07:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,212 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 02:07:38,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389501203] [2019-11-20 02:07:38,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:07:38,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:07:38,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960852974] [2019-11-20 02:07:38,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:07:38,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:07:38,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:07:38,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:07:38,215 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-20 02:07:38,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:07:38,230 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-20 02:07:38,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:07:38,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 02:07:38,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:07:38,232 INFO L225 Difference]: With dead ends: 71 [2019-11-20 02:07:38,232 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 02:07:38,233 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 02:07:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 02:07:38,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 02:07:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 02:07:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-20 02:07:38,238 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-11-20 02:07:38,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:07:38,239 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-20 02:07:38,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:07:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-20 02:07:38,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:07:38,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:07:38,240 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 02:07:38,241 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:07:38,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:38,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2019-11-20 02:07:38,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:07:38,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533771566] [2019-11-20 02:07:38,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:07:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,356 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 02:07:38,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533771566] [2019-11-20 02:07:38,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:07:38,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:07:38,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340554557] [2019-11-20 02:07:38,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:07:38,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:07:38,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:07:38,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:07:38,358 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2019-11-20 02:07:38,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:07:38,407 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-20 02:07:38,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:07:38,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 02:07:38,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:07:38,409 INFO L225 Difference]: With dead ends: 60 [2019-11-20 02:07:38,410 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 02:07:38,410 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 02:07:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 02:07:38,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 02:07:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 02:07:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-20 02:07:38,415 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-11-20 02:07:38,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:07:38,416 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-20 02:07:38,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:07:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-20 02:07:38,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:07:38,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:07:38,417 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 02:07:38,417 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:07:38,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:38,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2019-11-20 02:07:38,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:07:38,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360818348] [2019-11-20 02:07:38,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:07:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,498 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 02:07:38,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360818348] [2019-11-20 02:07:38,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:07:38,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:07:38,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671701808] [2019-11-20 02:07:38,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:07:38,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:07:38,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:07:38,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:07:38,500 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-11-20 02:07:38,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:07:38,616 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2019-11-20 02:07:38,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 02:07:38,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 02:07:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:07:38,618 INFO L225 Difference]: With dead ends: 158 [2019-11-20 02:07:38,618 INFO L226 Difference]: Without dead ends: 131 [2019-11-20 02:07:38,619 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 02:07:38,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-20 02:07:38,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2019-11-20 02:07:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-20 02:07:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2019-11-20 02:07:38,629 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2019-11-20 02:07:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:07:38,630 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2019-11-20 02:07:38,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:07:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-11-20 02:07:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 02:07:38,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:07:38,631 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 02:07:38,632 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:07:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:38,632 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2019-11-20 02:07:38,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:07:38,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806478066] [2019-11-20 02:07:38,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:07:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:07:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:07:38,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:07:38,806 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:07:38,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:07:38 BoogieIcfgContainer [2019-11-20 02:07:38,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:07:38,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:07:38,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:07:38,938 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:07:38,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:37" (3/4) ... [2019-11-20 02:07:38,942 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:07:39,093 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8138cf35-bcbb-471b-86ec-ae86bf96f42c/bin/uautomizer/witness.graphml [2019-11-20 02:07:39,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:07:39,096 INFO L168 Benchmark]: Toolchain (without parser) took 2714.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 939.3 MB in the beginning and 968.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 129.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:39,096 INFO L168 Benchmark]: CDTParser took 0.18 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 02:07:39,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:39,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.20 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 02:07:39,100 INFO L168 Benchmark]: Boogie Preprocessor took 37.68 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 02:07:39,101 INFO L168 Benchmark]: RCFGBuilder took 786.69 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:39,101 INFO L168 Benchmark]: TraceAbstraction took 1212.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:39,102 INFO L168 Benchmark]: Witness Printer took 156.04 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 968.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:39,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 455.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.20 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. * Boogie Preprocessor took 37.68 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. * RCFGBuilder took 786.69 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1212.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * Witness Printer took 156.04 ms. Allocated memory is still 1.2 GB. Free memory was 979.5 MB in the beginning and 968.7 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: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L233] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) [L133] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __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, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 334 SDslu, 177 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=75occurred 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, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s 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...