./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/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 91808fa59972e91d32c73c53b248d30b06ddb4c6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:39:51,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:39:51,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:39:51,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:39:51,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:39:51,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:39:51,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:39:51,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:39:51,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:39:51,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:39:51,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:39:51,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:39:51,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:39:51,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:39:51,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:39:51,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:39:51,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:39:51,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:39:51,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:39:51,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:39:51,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:39:51,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:39:51,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:39:51,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:39:51,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:39:51,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:39:51,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:39:51,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:39:51,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:39:51,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:39:51,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:39:51,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:39:51,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:39:51,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:39:51,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:39:51,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:39:51,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:39:51,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:39:51,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:39:51,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:39:51,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:39:51,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:39:51,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:39:51,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:39:51,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:39:51,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:39:51,156 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:39:51,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:39:51,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:39:51,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:39:51,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:39:51,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:39:51,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:39:51,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:39:51,160 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_72e59507-c6b2-4df6-bc1a-cff29d361859/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 -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2019-12-07 14:39:51,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:39:51,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:39:51,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:39:51,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:39:51,274 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:39:51,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 14:39:51,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/data/c0b1b5409/63bfa99b013c462d8e5f9f75bedeb223/FLAGb2680911f [2019-12-07 14:39:51,757 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:39:51,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 14:39:51,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/data/c0b1b5409/63bfa99b013c462d8e5f9f75bedeb223/FLAGb2680911f [2019-12-07 14:39:51,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/data/c0b1b5409/63bfa99b013c462d8e5f9f75bedeb223 [2019-12-07 14:39:51,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:39:51,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:39:51,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:39:51,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:39:51,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:39:51,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:39:51" (1/1) ... [2019-12-07 14:39:51,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:51, skipping insertion in model container [2019-12-07 14:39:51,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:39:51" (1/1) ... [2019-12-07 14:39:51,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:39:51,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:39:52,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:39:52,032 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:39:52,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:39:52,101 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:39:52,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52 WrapperNode [2019-12-07 14:39:52,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:39:52,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:39:52,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:39:52,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:39:52,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:39:52,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:39:52,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:39:52,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:39:52,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... [2019-12-07 14:39:52,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:39:52,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:39:52,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:39:52,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:39:52,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/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 [2019-12-07 14:39:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:39:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:39:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:39:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:39:52,639 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:39:52,639 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 14:39:52,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:39:52 BoogieIcfgContainer [2019-12-07 14:39:52,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:39:52,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:39:52,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:39:52,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:39:52,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:39:51" (1/3) ... [2019-12-07 14:39:52,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353b215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:39:52, skipping insertion in model container [2019-12-07 14:39:52,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:39:52" (2/3) ... [2019-12-07 14:39:52,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353b215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:39:52, skipping insertion in model container [2019-12-07 14:39:52,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:39:52" (3/3) ... [2019-12-07 14:39:52,645 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2019-12-07 14:39:52,651 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:39:52,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:39:52,664 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:39:52,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:39:52,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:39:52,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:39:52,681 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:39:52,681 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:39:52,681 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:39:52,681 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:39:52,681 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:39:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-12-07 14:39:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:39:52,697 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:39:52,698 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:39:52,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:39:52,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:39:52,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2019-12-07 14:39:52,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:39:52,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444975667] [2019-12-07 14:39:52,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:39:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:39:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:39:52,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444975667] [2019-12-07 14:39:52,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:39:52,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:39:52,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306867109] [2019-12-07 14:39:52,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:39:52,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:39:52,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:39:52,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:39:52,868 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-12-07 14:39:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:39:52,888 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-12-07 14:39:52,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:39:52,889 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:39:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:39:52,896 INFO L225 Difference]: With dead ends: 204 [2019-12-07 14:39:52,896 INFO L226 Difference]: Without dead ends: 101 [2019-12-07 14:39:52,898 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 [2019-12-07 14:39:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-12-07 14:39:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-12-07 14:39:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 14:39:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-12-07 14:39:52,927 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-12-07 14:39:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:39:52,927 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-12-07 14:39:52,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:39:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-12-07 14:39:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:39:52,928 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:39:52,928 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:39:52,928 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:39:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:39:52,929 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2019-12-07 14:39:52,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:39:52,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476751272] [2019-12-07 14:39:52,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:39:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:39:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:39:52,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476751272] [2019-12-07 14:39:52,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:39:52,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:39:52,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508699782] [2019-12-07 14:39:52,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:39:52,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:39:52,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:39:52,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:39:52,987 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-12-07 14:39:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:39:52,995 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-12-07 14:39:52,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:39:52,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 14:39:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:39:52,996 INFO L225 Difference]: With dead ends: 101 [2019-12-07 14:39:52,997 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 14:39:52,997 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 [2019-12-07 14:39:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 14:39:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 14:39:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 14:39:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-12-07 14:39:53,001 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-12-07 14:39:53,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:39:53,001 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-12-07 14:39:53,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:39:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-12-07 14:39:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:39:53,002 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:39:53,002 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] [2019-12-07 14:39:53,002 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:39:53,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:39:53,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2019-12-07 14:39:53,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:39:53,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344507747] [2019-12-07 14:39:53,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:39:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:39:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:39:53,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344507747] [2019-12-07 14:39:53,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:39:53,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:39:53,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778777261] [2019-12-07 14:39:53,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:39:53,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:39:53,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:39:53,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:39:53,051 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2019-12-07 14:39:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:39:53,056 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-12-07 14:39:53,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:39:53,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 14:39:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:39:53,057 INFO L225 Difference]: With dead ends: 80 [2019-12-07 14:39:53,058 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 14:39:53,058 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 [2019-12-07 14:39:53,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 14:39:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 14:39:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 14:39:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-12-07 14:39:53,062 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-12-07 14:39:53,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:39:53,062 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-12-07 14:39:53,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:39:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-12-07 14:39:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:39:53,063 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:39:53,063 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] [2019-12-07 14:39:53,063 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:39:53,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:39:53,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2019-12-07 14:39:53,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:39:53,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567157261] [2019-12-07 14:39:53,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:39:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:39:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:39:53,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567157261] [2019-12-07 14:39:53,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:39:53,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:39:53,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695124990] [2019-12-07 14:39:53,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:39:53,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:39:53,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:39:53,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:39:53,111 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2019-12-07 14:39:53,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:39:53,189 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2019-12-07 14:39:53,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:39:53,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 14:39:53,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:39:53,191 INFO L225 Difference]: With dead ends: 204 [2019-12-07 14:39:53,191 INFO L226 Difference]: Without dead ends: 167 [2019-12-07 14:39:53,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:39:53,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-07 14:39:53,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2019-12-07 14:39:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 14:39:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2019-12-07 14:39:53,201 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2019-12-07 14:39:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:39:53,201 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2019-12-07 14:39:53,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:39:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-07 14:39:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:39:53,202 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:39:53,202 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] [2019-12-07 14:39:53,203 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:39:53,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:39:53,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2019-12-07 14:39:53,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:39:53,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495877425] [2019-12-07 14:39:53,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:39:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:39:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:39:53,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495877425] [2019-12-07 14:39:53,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:39:53,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:39:53,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957182686] [2019-12-07 14:39:53,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:39:53,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:39:53,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:39:53,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:39:53,243 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2019-12-07 14:39:53,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:39:53,284 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2019-12-07 14:39:53,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:39:53,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 14:39:53,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:39:53,284 INFO L225 Difference]: With dead ends: 174 [2019-12-07 14:39:53,284 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:39:53,285 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 [2019-12-07 14:39:53,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:39:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:39:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:39:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:39:53,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 14:39:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:39:53,286 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:39:53,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:39:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:39:53,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:39:53,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:39:53,455 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,455 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,456 INFO L246 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2019-12-07 14:39:53,457 INFO L246 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L268-1(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L434(lines 1 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: false [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L372(lines 368 374) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,457 INFO L242 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,458 INFO L242 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,458 INFO L242 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,458 INFO L242 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,458 INFO L242 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2019-12-07 14:39:53,458 INFO L246 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,458 INFO L246 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,458 INFO L246 CegarLoopResult]: For program point L934-2(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,458 INFO L249 CegarLoopResult]: At program point L407(lines 388 410) the Hoare annotation is: true [2019-12-07 14:39:53,458 INFO L242 CegarLoopResult]: At program point L176(lines 169 179) the Hoare annotation is: false [2019-12-07 14:39:53,459 INFO L242 CegarLoopResult]: At program point L176-1(lines 169 179) the Hoare annotation is: false [2019-12-07 14:39:53,459 INFO L242 CegarLoopResult]: At program point L176-2(lines 169 179) the Hoare annotation is: false [2019-12-07 14:39:53,459 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-12-07 14:39:53,459 INFO L242 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 14:39:53,459 INFO L246 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2019-12-07 14:39:53,459 INFO L242 CegarLoopResult]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,459 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-12-07 14:39:53,459 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-12-07 14:39:53,460 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-12-07 14:39:53,460 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:39:53,460 INFO L242 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,460 INFO L242 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: false [2019-12-07 14:39:53,460 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-12-07 14:39:53,460 INFO L242 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L847-3(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L847-6(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,461 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2019-12-07 14:39:53,462 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,462 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-12-07 14:39:53,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: false [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L884-1(lines 879 887) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L884-3(lines 879 887) the Hoare annotation is: false [2019-12-07 14:39:53,463 INFO L242 CegarLoopResult]: At program point L884-4(lines 879 887) the Hoare annotation is: false [2019-12-07 14:39:53,464 INFO L242 CegarLoopResult]: At program point L884-5(lines 879 887) the Hoare annotation is: false [2019-12-07 14:39:53,464 INFO L246 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-12-07 14:39:53,464 INFO L242 CegarLoopResult]: At program point L456-1(lines 1 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,464 INFO L246 CegarLoopResult]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-12-07 14:39:53,464 INFO L242 CegarLoopResult]: At program point L456-3(lines 1 937) the Hoare annotation is: false [2019-12-07 14:39:53,464 INFO L246 CegarLoopResult]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-12-07 14:39:53,464 INFO L242 CegarLoopResult]: At program point L456-5(lines 1 937) the Hoare annotation is: false [2019-12-07 14:39:53,464 INFO L242 CegarLoopResult]: At program point L324-2(lines 324 338) the Hoare annotation is: false [2019-12-07 14:39:53,464 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,464 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L294-2(lines 57 63) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-12-07 14:39:53,465 INFO L246 CegarLoopResult]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point L328-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 14:39:53,466 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-12-07 14:39:53,466 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 14:39:53,466 INFO L242 CegarLoopResult]: At program point L925(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,466 INFO L242 CegarLoopResult]: At program point L925-1(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,466 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-12-07 14:39:53,467 INFO L242 CegarLoopResult]: At program point L925-2(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,467 INFO L242 CegarLoopResult]: At program point L925-3(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,467 INFO L242 CegarLoopResult]: At program point L925-4(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,467 INFO L242 CegarLoopResult]: At program point L925-5(lines 920 928) the Hoare annotation is: false [2019-12-07 14:39:53,467 INFO L246 CegarLoopResult]: For program point L398(lines 398 405) no Hoare annotation was computed. [2019-12-07 14:39:53,467 INFO L249 CegarLoopResult]: At program point L398-1(lines 398 405) the Hoare annotation is: true [2019-12-07 14:39:53,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:39:53 BoogieIcfgContainer [2019-12-07 14:39:53,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:39:53,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:39:53,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:39:53,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:39:53,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:39:52" (3/4) ... [2019-12-07 14:39:53,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:39:53,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:39:53,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:39:53,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:39:53,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:39:53,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:39:53,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:39:53,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:39:53,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 14:39:53,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_72e59507-c6b2-4df6-bc1a-cff29d361859/bin/uautomizer/witness.graphml [2019-12-07 14:39:53,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:39:53,590 INFO L168 Benchmark]: Toolchain (without parser) took 1812.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 873.2 MB in the end (delta: 73.0 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:39:53,590 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:39:53,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:39:53,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.22 ms. Allocated memory is still 1.1 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. [2019-12-07 14:39:53,591 INFO L168 Benchmark]: Boogie Preprocessor took 29.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:39:53,591 INFO L168 Benchmark]: RCFGBuilder took 461.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:39:53,591 INFO L168 Benchmark]: TraceAbstraction took 845.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 884.0 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:39:53,592 INFO L168 Benchmark]: Witness Printer took 101.94 ms. Allocated memory is still 1.1 GB. Free memory was 884.0 MB in the beginning and 873.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:39:53,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 461.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 845.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 884.0 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. * Witness Printer took 101.94 ms. Allocated memory is still 1.1 GB. Free memory was 884.0 MB in the beginning and 873.2 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: - PositiveResult [Line: 934]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 934]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 934]: 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: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 412 SDtfs, 392 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 930 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...