./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:12:12,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:12:12,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:12:12,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:12:12,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:12:12,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:12:12,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:12:12,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:12:12,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:12:12,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:12:12,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:12:12,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:12:12,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:12:12,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:12:12,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:12:12,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:12:12,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:12:12,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:12:12,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:12:12,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:12:12,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:12:12,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:12:12,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:12:12,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:12:12,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:12:12,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:12:12,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:12:12,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:12:12,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:12:12,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:12:12,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:12:12,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:12:12,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:12:12,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:12:12,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:12:12,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:12:12,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:12:12,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:12:12,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:12:12,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:12:12,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:12:12,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:12:12,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:12:12,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:12:12,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:12:12,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:12:12,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:12:12,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:12:12,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:12:12,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:12:12,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:12:12,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:12:12,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:12:12,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:12:12,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:12:12,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:12:12,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:12:12,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:12:12,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:12:12,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:12:12,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:12:12,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:12:12,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:12:12,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:12:12,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:12:12,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:12:12,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:12:12,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:12:12,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:12:12,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:12:12,872 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_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-11-20 07:12:13,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:12:13,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:12:13,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:12:13,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:12:13,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:12:13,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-20 07:12:13,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/data/852d5147d/261b62edece94780a4318be940228d5d/FLAG2e238e929 [2019-11-20 07:12:13,467 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:12:13,468 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-20 07:12:13,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/data/852d5147d/261b62edece94780a4318be940228d5d/FLAG2e238e929 [2019-11-20 07:12:13,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/data/852d5147d/261b62edece94780a4318be940228d5d [2019-11-20 07:12:13,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:12:13,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:12:13,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:12:13,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:12:13,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:12:13,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:13" (1/1) ... [2019-11-20 07:12:13,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebe2db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:13, skipping insertion in model container [2019-11-20 07:12:13,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:13" (1/1) ... [2019-11-20 07:12:13,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:12:13,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:12:14,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:12:14,178 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:12:14,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:12:14,309 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:12:14,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14 WrapperNode [2019-11-20 07:12:14,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:12:14,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:12:14,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:12:14,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:12:14,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:12:14,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:12:14,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:12:14,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:12:14,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... [2019-11-20 07:12:14,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:12:14,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:12:14,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:12:14,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:12:14,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:12:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:12:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:12:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:12:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:12:15,092 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:12:15,092 INFO L285 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-20 07:12:15,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:15 BoogieIcfgContainer [2019-11-20 07:12:15,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:12:15,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:12:15,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:12:15,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:12:15,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:12:13" (1/3) ... [2019-11-20 07:12:15,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392a49aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:12:15, skipping insertion in model container [2019-11-20 07:12:15,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:14" (2/3) ... [2019-11-20 07:12:15,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392a49aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:12:15, skipping insertion in model container [2019-11-20 07:12:15,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:15" (3/3) ... [2019-11-20 07:12:15,105 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-11-20 07:12:15,113 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:12:15,119 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 07:12:15,129 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 07:12:15,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:12:15,158 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:12:15,158 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:12:15,158 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:12:15,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:12:15,159 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:12:15,159 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:12:15,159 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:12:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-20 07:12:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:12:15,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:12:15,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:12:15,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:12:15,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:12:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2019-11-20 07:12:15,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:12:15,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950305675] [2019-11-20 07:12:15,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:12:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:12:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:12:15,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950305675] [2019-11-20 07:12:15,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:12:15,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:12:15,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767992371] [2019-11-20 07:12:15,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:12:15,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:12:15,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:12:15,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:12:15,495 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-20 07:12:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:12:15,518 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-20 07:12:15,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:12:15,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 07:12:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:12:15,526 INFO L225 Difference]: With dead ends: 112 [2019-11-20 07:12:15,526 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 07:12:15,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:12:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 07:12:15,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 07:12:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 07:12:15,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-20 07:12:15,571 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-20 07:12:15,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:12:15,572 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-20 07:12:15,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:12:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-20 07:12:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:12:15,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:12:15,577 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:12:15,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:12:15,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:12:15,578 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2019-11-20 07:12:15,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:12:15,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60664855] [2019-11-20 07:12:15,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:12:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:12:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:12:15,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60664855] [2019-11-20 07:12:15,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:12:15,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:12:15,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128602655] [2019-11-20 07:12:15,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:12:15,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:12:15,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:12:15,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:12:15,718 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-20 07:12:15,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:12:15,727 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-20 07:12:15,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:12:15,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 07:12:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:12:15,728 INFO L225 Difference]: With dead ends: 55 [2019-11-20 07:12:15,729 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 07:12:15,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:12:15,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 07:12:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 07:12:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 07:12:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-20 07:12:15,734 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-20 07:12:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:12:15,735 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-20 07:12:15,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:12:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-20 07:12:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:12:15,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:12:15,736 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] [2019-11-20 07:12:15,736 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:12:15,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:12:15,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2019-11-20 07:12:15,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:12:15,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786476908] [2019-11-20 07:12:15,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:12:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:12:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:12:15,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786476908] [2019-11-20 07:12:15,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:12:15,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:12:15,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740553781] [2019-11-20 07:12:15,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:12:15,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:12:15,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:12:15,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:12:15,826 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-11-20 07:12:15,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:12:15,889 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-11-20 07:12:15,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:12:15,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 07:12:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:12:15,891 INFO L225 Difference]: With dead ends: 75 [2019-11-20 07:12:15,891 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 07:12:15,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:12:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 07:12:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-11-20 07:12:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-20 07:12:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-20 07:12:15,900 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-20 07:12:15,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:12:15,901 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-20 07:12:15,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:12:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-20 07:12:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:12:15,902 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:12:15,902 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] [2019-11-20 07:12:15,902 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:12:15,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:12:15,903 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2019-11-20 07:12:15,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:12:15,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963997638] [2019-11-20 07:12:15,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:12:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:12:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:12:16,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963997638] [2019-11-20 07:12:16,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:12:16,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:12:16,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556125590] [2019-11-20 07:12:16,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:12:16,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:12:16,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:12:16,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:12:16,003 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-20 07:12:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:12:16,101 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2019-11-20 07:12:16,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:12:16,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 07:12:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:12:16,105 INFO L225 Difference]: With dead ends: 169 [2019-11-20 07:12:16,105 INFO L226 Difference]: Without dead ends: 127 [2019-11-20 07:12:16,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:12:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-20 07:12:16,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-20 07:12:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-20 07:12:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2019-11-20 07:12:16,118 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2019-11-20 07:12:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:12:16,119 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2019-11-20 07:12:16,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:12:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2019-11-20 07:12:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 07:12:16,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:12:16,120 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] [2019-11-20 07:12:16,121 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:12:16,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:12:16,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2019-11-20 07:12:16,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:12:16,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357483922] [2019-11-20 07:12:16,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:12:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:12:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:12:16,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357483922] [2019-11-20 07:12:16,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:12:16,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:12:16,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476217546] [2019-11-20 07:12:16,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:12:16,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:12:16,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:12:16,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:12:16,177 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2019-11-20 07:12:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:12:16,262 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2019-11-20 07:12:16,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:12:16,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 07:12:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:12:16,263 INFO L225 Difference]: With dead ends: 220 [2019-11-20 07:12:16,263 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:12:16,265 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 [2019-11-20 07:12:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:12:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:12:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:12:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:12:16,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-20 07:12:16,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:12:16,266 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:12:16,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:12:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:12:16,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:12:16,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:12:16,693 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 12 [2019-11-20 07:12:16,709 INFO L440 ceAbstractionStarter]: At program point L283(lines 283 289) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,710 INFO L440 ceAbstractionStarter]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2019-11-20 07:12:16,710 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,710 INFO L440 ceAbstractionStarter]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2019-11-20 07:12:16,710 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-20 07:12:16,710 INFO L444 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-11-20 07:12:16,710 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:12:16,711 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-20 07:12:16,711 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 07:12:16,711 INFO L440 ceAbstractionStarter]: At program point L335(lines 330 338) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,711 INFO L440 ceAbstractionStarter]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2019-11-20 07:12:16,712 INFO L440 ceAbstractionStarter]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2019-11-20 07:12:16,712 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-11-20 07:12:16,713 INFO L440 ceAbstractionStarter]: At program point L419-1(lines 419 425) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,713 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-20 07:12:16,714 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 276 282) no Hoare annotation was computed. [2019-11-20 07:12:16,714 INFO L447 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-20 07:12:16,715 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-11-20 07:12:16,715 INFO L444 ceAbstractionStarter]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2019-11-20 07:12:16,715 INFO L444 ceAbstractionStarter]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2019-11-20 07:12:16,715 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:12:16,715 INFO L444 ceAbstractionStarter]: For program point L851(lines 851 864) no Hoare annotation was computed. [2019-11-20 07:12:16,716 INFO L440 ceAbstractionStarter]: At program point L851-1(lines 1 867) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,716 INFO L444 ceAbstractionStarter]: For program point L851-2(lines 851 864) no Hoare annotation was computed. [2019-11-20 07:12:16,720 INFO L440 ceAbstractionStarter]: At program point L851-3(lines 1 867) the Hoare annotation is: false [2019-11-20 07:12:16,721 INFO L444 ceAbstractionStarter]: For program point L851-4(lines 851 864) no Hoare annotation was computed. [2019-11-20 07:12:16,721 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 07:12:16,722 INFO L440 ceAbstractionStarter]: At program point L851-5(lines 1 867) the Hoare annotation is: false [2019-11-20 07:12:16,722 INFO L444 ceAbstractionStarter]: For program point L439(lines 439 454) no Hoare annotation was computed. [2019-11-20 07:12:16,723 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,723 INFO L440 ceAbstractionStarter]: At program point L258(lines 253 261) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,724 INFO L440 ceAbstractionStarter]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2019-11-20 07:12:16,724 INFO L440 ceAbstractionStarter]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2019-11-20 07:12:16,724 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:12:16,724 INFO L440 ceAbstractionStarter]: At program point L276(lines 275 294) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,725 INFO L444 ceAbstractionStarter]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2019-11-20 07:12:16,725 INFO L440 ceAbstractionStarter]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2019-11-20 07:12:16,730 INFO L440 ceAbstractionStarter]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2019-11-20 07:12:16,730 INFO L444 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,730 INFO L444 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,730 INFO L444 ceAbstractionStarter]: For program point L838-2(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,731 INFO L444 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-11-20 07:12:16,731 INFO L444 ceAbstractionStarter]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-11-20 07:12:16,731 INFO L444 ceAbstractionStarter]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-11-20 07:12:16,731 INFO L440 ceAbstractionStarter]: At program point L459(lines 408 460) the Hoare annotation is: false [2019-11-20 07:12:16,731 INFO L444 ceAbstractionStarter]: For program point L410(lines 409 458) no Hoare annotation was computed. [2019-11-20 07:12:16,731 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-20 07:12:16,732 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-20 07:12:16,732 INFO L444 ceAbstractionStarter]: For program point L411(lines 411 415) no Hoare annotation was computed. [2019-11-20 07:12:16,732 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 217) no Hoare annotation was computed. [2019-11-20 07:12:16,732 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:12:16,732 INFO L444 ceAbstractionStarter]: For program point L379(lines 379 385) no Hoare annotation was computed. [2019-11-20 07:12:16,733 INFO L440 ceAbstractionStarter]: At program point L379-1(lines 379 385) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,733 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-20 07:12:16,733 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-20 07:12:16,733 INFO L440 ceAbstractionStarter]: At program point L429-1(lines 429 435) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,733 INFO L440 ceAbstractionStarter]: At program point L166(lines 1 867) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 07:12:16,734 INFO L444 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2019-11-20 07:12:16,734 INFO L440 ceAbstractionStarter]: At program point L447-1(lines 276 282) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 07:12:16,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:12:16 BoogieIcfgContainer [2019-11-20 07:12:16,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:12:16,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:12:16,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:12:16,761 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:12:16,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:15" (3/4) ... [2019-11-20 07:12:16,766 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:12:16,787 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 07:12:16,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 07:12:16,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 07:12:16,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:12:16,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:12:16,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:12:16,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 07:12:16,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 07:12:16,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,821 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 07:12:16,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae641a1c-0191-4622-a08a-2eaaad4d3dd6/bin/uautomizer/witness.graphml [2019-11-20 07:12:16,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:12:16,868 INFO L168 Benchmark]: Toolchain (without parser) took 3075.53 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 924.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:12:16,868 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-20 07:12:16,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.94 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. [2019-11-20 07:12:16,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:12:16,869 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:12:16,870 INFO L168 Benchmark]: RCFGBuilder took 686.39 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:12:16,870 INFO L168 Benchmark]: TraceAbstraction took 1666.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.2 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:12:16,871 INFO L168 Benchmark]: Witness Printer took 105.87 ms. Allocated memory is still 1.2 GB. Free memory was 935.2 MB in the beginning and 924.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:12:16,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 516.94 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 64.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 686.39 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1666.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.2 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. * Witness Printer took 105.87 ms. Allocated memory is still 1.2 GB. Free memory was 935.2 MB in the beginning and 924.4 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: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: 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: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 266 SDtfs, 395 SDslu, 234 SDs, 0 SdLazy, 54 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 177 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1864 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3801 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...