./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:56:49,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:49,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:49,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:49,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:49,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:49,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:49,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:49,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:49,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:49,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:49,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:49,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:49,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:49,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:49,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:49,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:49,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:49,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:49,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:49,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:49,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:49,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:49,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:49,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:49,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:49,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:49,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:49,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:49,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:49,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:49,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:49,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:49,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:49,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:49,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:49,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:49,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:49,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:49,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:49,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:49,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:56:49,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:49,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:49,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:49,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:49,170 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:49,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:49,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:56:49,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:49,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:56:49,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:49,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:56:49,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:56:49,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:56:49,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:56:49,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:49,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:49,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:56:49,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:49,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:49,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:56:49,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:56:49,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:56:49,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:49,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:56:49,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:56:49,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:49,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:56:49,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:56:49,175 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_64546216-f67a-41dd-ba8c-66ca6a883087/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-11-25 08:56:49,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:49,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:49,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:49,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:49,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:49,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-25 08:56:49,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/data/c8a1b82c5/ac932aeb4a6d48ef8415ad396a998338/FLAGb1749650f [2019-11-25 08:56:49,879 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:49,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-25 08:56:49,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/data/c8a1b82c5/ac932aeb4a6d48ef8415ad396a998338/FLAGb1749650f [2019-11-25 08:56:50,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/data/c8a1b82c5/ac932aeb4a6d48ef8415ad396a998338 [2019-11-25 08:56:50,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:50,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:50,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:50,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:50,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:50,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb61510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50, skipping insertion in model container [2019-11-25 08:56:50,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:50,230 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:50,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:50,597 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:50,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:50,697 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:50,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50 WrapperNode [2019-11-25 08:56:50,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:50,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:50,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:50,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:50,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:50,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:50,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:50,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:50,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... [2019-11-25 08:56:50,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:50,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:50,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:50,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:50,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:56:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:56:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:56:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:51,564 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:51,564 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-25 08:56:51,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:51 BoogieIcfgContainer [2019-11-25 08:56:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:51,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:56:51,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:56:51,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:56:51,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:56:50" (1/3) ... [2019-11-25 08:56:51,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756150ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:56:51, skipping insertion in model container [2019-11-25 08:56:51,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:50" (2/3) ... [2019-11-25 08:56:51,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756150ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:56:51, skipping insertion in model container [2019-11-25 08:56:51,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:51" (3/3) ... [2019-11-25 08:56:51,572 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-11-25 08:56:51,581 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:56:51,587 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:56:51,597 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:56:51,620 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:56:51,620 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:56:51,620 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:56:51,620 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:51,620 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:51,620 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:56:51,621 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:51,621 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:56:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-25 08:56:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:56:51,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:51,642 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:51,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:51,648 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-11-25 08:56:51,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:51,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144899986] [2019-11-25 08:56:51,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:51,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144899986] [2019-11-25 08:56:51,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:51,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:56:51,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783013783] [2019-11-25 08:56:51,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:56:51,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:51,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:56:51,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:56:51,877 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-25 08:56:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:51,914 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-25 08:56:51,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:56:51,916 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-25 08:56:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:51,930 INFO L225 Difference]: With dead ends: 144 [2019-11-25 08:56:51,930 INFO L226 Difference]: Without dead ends: 71 [2019-11-25 08:56:51,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:56:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-25 08:56:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-25 08:56:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-25 08:56:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-25 08:56:51,969 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-25 08:56:51,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:51,970 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-25 08:56:51,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:56:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-25 08:56:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 08:56:51,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:51,971 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:51,971 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:51,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-11-25 08:56:51,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:51,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279245402] [2019-11-25 08:56:51,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:52,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279245402] [2019-11-25 08:56:52,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:52,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:56:52,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998854619] [2019-11-25 08:56:52,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:52,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:52,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:52,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:52,072 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-25 08:56:52,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:52,081 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-25 08:56:52,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:52,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 08:56:52,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:52,082 INFO L225 Difference]: With dead ends: 71 [2019-11-25 08:56:52,082 INFO L226 Difference]: Without dead ends: 33 [2019-11-25 08:56:52,083 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-25 08:56:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-25 08:56:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-25 08:56:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-25 08:56:52,088 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-25 08:56:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:52,088 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-25 08:56:52,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-25 08:56:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 08:56:52,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:52,089 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] [2019-11-25 08:56:52,090 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:52,090 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-11-25 08:56:52,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:52,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100746753] [2019-11-25 08:56:52,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:52,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100746753] [2019-11-25 08:56:52,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:52,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:56:52,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621738633] [2019-11-25 08:56:52,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:56:52,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:52,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:56:52,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:56:52,202 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-11-25 08:56:52,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:52,301 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-25 08:56:52,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:56:52,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-25 08:56:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:52,302 INFO L225 Difference]: With dead ends: 60 [2019-11-25 08:56:52,303 INFO L226 Difference]: Without dead ends: 33 [2019-11-25 08:56:52,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:56:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-25 08:56:52,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-25 08:56:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-25 08:56:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-25 08:56:52,308 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-25 08:56:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:52,309 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-25 08:56:52,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:56:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-25 08:56:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 08:56:52,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:52,310 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] [2019-11-25 08:56:52,310 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:52,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-11-25 08:56:52,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:52,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889617186] [2019-11-25 08:56:52,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:52,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889617186] [2019-11-25 08:56:52,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:52,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:56:52,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605638054] [2019-11-25 08:56:52,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:56:52,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:52,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:56:52,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:56:52,447 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-11-25 08:56:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:52,826 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-11-25 08:56:52,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 08:56:52,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-25 08:56:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:52,830 INFO L225 Difference]: With dead ends: 196 [2019-11-25 08:56:52,830 INFO L226 Difference]: Without dead ends: 169 [2019-11-25 08:56:52,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-25 08:56:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-25 08:56:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-25 08:56:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-25 08:56:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-11-25 08:56:52,865 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-11-25 08:56:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:52,865 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-11-25 08:56:52,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:56:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-25 08:56:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:56:52,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:52,868 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] [2019-11-25 08:56:52,868 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:52,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:52,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2019-11-25 08:56:52,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:52,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396483606] [2019-11-25 08:56:52,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:52,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396483606] [2019-11-25 08:56:52,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:52,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:56:52,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182091399] [2019-11-25 08:56:52,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:52,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:52,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:52,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:52,964 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-11-25 08:56:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:52,979 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-11-25 08:56:52,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:52,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:56:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:52,981 INFO L225 Difference]: With dead ends: 132 [2019-11-25 08:56:52,981 INFO L226 Difference]: Without dead ends: 60 [2019-11-25 08:56:52,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-25 08:56:52,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-25 08:56:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-25 08:56:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-25 08:56:52,995 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-25 08:56:52,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:52,996 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-25 08:56:52,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-25 08:56:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-25 08:56:53,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:53,003 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:53,004 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2019-11-25 08:56:53,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:53,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851719254] [2019-11-25 08:56:53,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-25 08:56:53,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851719254] [2019-11-25 08:56:53,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:53,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:56:53,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390357021] [2019-11-25 08:56:53,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:56:53,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:53,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:56:53,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:56:53,113 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-25 08:56:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:53,169 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-25 08:56:53,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:56:53,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-25 08:56:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:53,170 INFO L225 Difference]: With dead ends: 118 [2019-11-25 08:56:53,170 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:56:53,171 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:56:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:56:53,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:56:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:56:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:56:53,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-25 08:56:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:53,173 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:53,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:56:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:56:53,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:56:53,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:56:53,527 INFO L440 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2019-11-25 08:56:53,528 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,528 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:56:53,528 INFO L444 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-11-25 08:56:53,528 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,529 INFO L444 ceAbstractionStarter]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,530 INFO L444 ceAbstractionStarter]: For program point L286-3(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,530 INFO L444 ceAbstractionStarter]: For program point L286-5(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,530 INFO L444 ceAbstractionStarter]: For program point L286-6(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,530 INFO L444 ceAbstractionStarter]: For program point L286-8(lines 286 290) no Hoare annotation was computed. [2019-11-25 08:56:53,530 INFO L440 ceAbstractionStarter]: At program point L237(lines 232 240) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,530 INFO L440 ceAbstractionStarter]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2019-11-25 08:56:53,531 INFO L440 ceAbstractionStarter]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2019-11-25 08:56:53,531 INFO L444 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-11-25 08:56:53,531 INFO L444 ceAbstractionStarter]: For program point L832-1(lines 134 140) no Hoare annotation was computed. [2019-11-25 08:56:53,531 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-11-25 08:56:53,531 INFO L440 ceAbstractionStarter]: At program point L73-1(lines 73 79) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,531 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-11-25 08:56:53,531 INFO L447 ceAbstractionStarter]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-11-25 08:56:53,532 INFO L440 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,532 INFO L440 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-11-25 08:56:53,532 INFO L440 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-11-25 08:56:53,532 INFO L440 ceAbstractionStarter]: At program point L322(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:56:53,532 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:56:53,535 INFO L440 ceAbstractionStarter]: At program point L141(lines 141 147) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,536 INFO L440 ceAbstractionStarter]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2019-11-25 08:56:53,536 INFO L440 ceAbstractionStarter]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2019-11-25 08:56:53,536 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,536 INFO L440 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-11-25 08:56:53,537 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-11-25 08:56:53,538 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,538 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,538 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,538 INFO L440 ceAbstractionStarter]: At program point L292(lines 277 295) the Hoare annotation is: false [2019-11-25 08:56:53,539 INFO L440 ceAbstractionStarter]: At program point L292-1(lines 277 295) the Hoare annotation is: false [2019-11-25 08:56:53,539 INFO L440 ceAbstractionStarter]: At program point L292-2(lines 277 295) the Hoare annotation is: false [2019-11-25 08:56:53,539 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:56:53,539 INFO L444 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-25 08:56:53,539 INFO L444 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:56:53,540 INFO L440 ceAbstractionStarter]: At program point L344-1(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,540 INFO L444 ceAbstractionStarter]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:56:53,540 INFO L440 ceAbstractionStarter]: At program point L344-3(lines 1 911) the Hoare annotation is: false [2019-11-25 08:56:53,540 INFO L444 ceAbstractionStarter]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-11-25 08:56:53,541 INFO L440 ceAbstractionStarter]: At program point L344-5(lines 1 911) the Hoare annotation is: false [2019-11-25 08:56:53,541 INFO L444 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-11-25 08:56:53,541 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-25 08:56:53,541 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:56:53,542 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:56:53,542 INFO L447 ceAbstractionStarter]: At program point L908(lines 889 911) the Hoare annotation is: true [2019-11-25 08:56:53,542 INFO L440 ceAbstractionStarter]: At program point L330(lines 325 333) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-25 08:56:53,542 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-25 08:56:53,543 INFO L444 ceAbstractionStarter]: For program point L99-2(lines 134 140) no Hoare annotation was computed. [2019-11-25 08:56:53,543 INFO L440 ceAbstractionStarter]: At program point L446(lines 441 449) the Hoare annotation is: false [2019-11-25 08:56:53,544 INFO L440 ceAbstractionStarter]: At program point L446-1(lines 441 449) the Hoare annotation is: false [2019-11-25 08:56:53,544 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-25 08:56:53,544 INFO L440 ceAbstractionStarter]: At program point L446-2(lines 441 449) the Hoare annotation is: false [2019-11-25 08:56:53,544 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-25 08:56:53,545 INFO L440 ceAbstractionStarter]: At program point L83-1(lines 83 89) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,545 INFO L440 ceAbstractionStarter]: At program point L876(lines 872 878) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,545 INFO L444 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-11-25 08:56:53,546 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2019-11-25 08:56:53,546 INFO L444 ceAbstractionStarter]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-11-25 08:56:53,546 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:56:53,546 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:56:53,547 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-25 08:56:53,548 INFO L440 ceAbstractionStarter]: At program point L134(lines 133 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-25 08:56:53,549 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2019-11-25 08:56:53,549 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2019-11-25 08:56:53,549 INFO L440 ceAbstractionStarter]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2019-11-25 08:56:53,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:56:53 BoogieIcfgContainer [2019-11-25 08:56:53,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:56:53,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:53,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:53,589 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:53,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:51" (3/4) ... [2019-11-25 08:56:53,593 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:56:53,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:56:53,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:56:53,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:56:53,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:56:53,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:56:53,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:56:53,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:56:53,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-25 08:56:53,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-25 08:56:53,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive [2019-11-25 08:56:53,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_64546216-f67a-41dd-ba8c-66ca6a883087/bin/uautomizer/witness.graphml [2019-11-25 08:56:53,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:53,763 INFO L168 Benchmark]: Toolchain (without parser) took 3608.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 883.4 MB in the end (delta: 55.9 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:53,763 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:53,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:53,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:53,765 INFO L168 Benchmark]: Boogie Preprocessor took 33.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:53,782 INFO L168 Benchmark]: RCFGBuilder took 767.99 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. [2019-11-25 08:56:53,783 INFO L168 Benchmark]: TraceAbstraction took 2020.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:53,783 INFO L168 Benchmark]: Witness Printer took 172.96 ms. Allocated memory is still 1.2 GB. Free memory was 892.2 MB in the beginning and 883.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:53,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 543.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.58 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 767.99 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 2020.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. * Witness Printer took 172.96 ms. Allocated memory is still 1.2 GB. Free memory was 892.2 MB in the beginning and 883.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && tmp == systemActive - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 331 SDtfs, 568 SDslu, 415 SDs, 0 SdLazy, 116 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 2001 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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 correct! Received shutdown request...