./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/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 a00a7e438929786846b38e6a5327ae1b6e91eb08 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:26:38,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:26:38,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:26:38,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:26:38,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:26:38,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:26:38,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:26:38,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:26:38,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:26:38,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:26:38,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:26:38,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:26:38,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:26:38,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:26:38,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:26:38,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:26:38,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:26:38,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:26:38,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:26:38,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:26:38,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:26:38,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:26:38,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:26:38,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:26:38,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:26:38,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:26:38,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:26:38,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:26:38,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:26:38,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:26:38,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:26:38,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:26:38,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:26:38,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:26:38,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:26:38,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:26:38,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:26:38,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:26:38,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:26:38,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:26:38,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:26:38,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:26:38,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:26:38,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:26:38,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:26:38,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:26:38,610 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:26:38,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:26:38,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:26:38,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:26:38,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:26:38,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:26:38,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:26:38,613 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_8036ed8a-62f0-4b1e-bc2a-048b1709f857/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 -> a00a7e438929786846b38e6a5327ae1b6e91eb08 [2019-12-07 13:26:38,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:26:38,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:26:38,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:26:38,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:26:38,736 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:26:38,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:26:38,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/data/4294f7426/72053e06a5424ec0af7504b2778d94ed/FLAG2a2ad5d1a [2019-12-07 13:26:39,289 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:26:39,289 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2019-12-07 13:26:39,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/data/4294f7426/72053e06a5424ec0af7504b2778d94ed/FLAG2a2ad5d1a [2019-12-07 13:26:39,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/data/4294f7426/72053e06a5424ec0af7504b2778d94ed [2019-12-07 13:26:39,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:26:39,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:26:39,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:26:39,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:26:39,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:26:39,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:26:39" (1/1) ... [2019-12-07 13:26:39,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:39, skipping insertion in model container [2019-12-07 13:26:39,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:26:39" (1/1) ... [2019-12-07 13:26:39,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:26:39,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:26:40,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:26:40,039 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:26:40,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:26:40,101 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:26:40,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40 WrapperNode [2019-12-07 13:26:40,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:26:40,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:26:40,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:26:40,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:26:40,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:26:40,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:26:40,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:26:40,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:26:40,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... [2019-12-07 13:26:40,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:26:40,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:26:40,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:26:40,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:26:40,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/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 13:26:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:26:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 13:26:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:26:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:26:40,568 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:26:40,568 INFO L287 CfgBuilder]: Removed 68 assume(true) statements. [2019-12-07 13:26:40,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:40 BoogieIcfgContainer [2019-12-07 13:26:40,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:26:40,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:26:40,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:26:40,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:26:40,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:26:39" (1/3) ... [2019-12-07 13:26:40,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a159e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:40, skipping insertion in model container [2019-12-07 13:26:40,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:40" (2/3) ... [2019-12-07 13:26:40,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a159e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:40, skipping insertion in model container [2019-12-07 13:26:40,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:40" (3/3) ... [2019-12-07 13:26:40,574 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2019-12-07 13:26:40,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:26:40,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:26:40,591 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:26:40,606 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:26:40,606 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:26:40,606 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:26:40,606 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:26:40,606 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:26:40,607 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:26:40,607 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:26:40,607 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:26:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 13:26:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:26:40,621 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:40,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:40,622 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:40,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:40,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-12-07 13:26:40,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:26:40,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517460896] [2019-12-07 13:26:40,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:40,775 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 13:26:40,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517460896] [2019-12-07 13:26:40,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:40,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:26:40,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948286580] [2019-12-07 13:26:40,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:26:40,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:26:40,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:26:40,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:26:40,789 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 13:26:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:40,804 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 13:26:40,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:26:40,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:26:40,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:40,812 INFO L225 Difference]: With dead ends: 108 [2019-12-07 13:26:40,812 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 13:26:40,814 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 13:26:40,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 13:26:40,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 13:26:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 13:26:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 13:26:40,839 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 13:26:40,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:40,839 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 13:26:40,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:26:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 13:26:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:26:40,840 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:40,840 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 13:26:40,840 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:40,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:40,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-12-07 13:26:40,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:26:40,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140291343] [2019-12-07 13:26:40,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:40,903 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 13:26:40,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140291343] [2019-12-07 13:26:40,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:40,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:26:40,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83148906] [2019-12-07 13:26:40,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:26:40,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:26:40,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:26:40,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:40,906 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-12-07 13:26:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:40,912 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 13:26:40,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:26:40,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 13:26:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:40,913 INFO L225 Difference]: With dead ends: 53 [2019-12-07 13:26:40,913 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 13:26:40,913 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 13:26:40,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 13:26:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 13:26:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 13:26:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 13:26:40,917 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 13:26:40,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:40,917 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 13:26:40,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:26:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 13:26:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:26:40,918 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:40,918 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 13:26:40,918 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:40,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:40,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-12-07 13:26:40,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:26:40,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407742598] [2019-12-07 13:26:40,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:40,981 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 13:26:40,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407742598] [2019-12-07 13:26:40,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:40,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:26:40,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910644966] [2019-12-07 13:26:40,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:26:40,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:26:40,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:26:40,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:40,983 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2019-12-07 13:26:41,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:41,040 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2019-12-07 13:26:41,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:26:41,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 13:26:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:41,042 INFO L225 Difference]: With dead ends: 90 [2019-12-07 13:26:41,042 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 13:26:41,043 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 [2019-12-07 13:26:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 13:26:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2019-12-07 13:26:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 13:26:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2019-12-07 13:26:41,049 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 22 [2019-12-07 13:26:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:41,050 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2019-12-07 13:26:41,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:26:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2019-12-07 13:26:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:26:41,050 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:41,050 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] [2019-12-07 13:26:41,051 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:41,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:41,051 INFO L82 PathProgramCache]: Analyzing trace with hash 25205966, now seen corresponding path program 1 times [2019-12-07 13:26:41,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:26:41,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882287454] [2019-12-07 13:26:41,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:41,102 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 13:26:41,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882287454] [2019-12-07 13:26:41,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:41,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:26:41,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239225772] [2019-12-07 13:26:41,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:26:41,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:26:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:26:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:41,104 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand 5 states. [2019-12-07 13:26:41,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:41,139 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2019-12-07 13:26:41,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:26:41,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 13:26:41,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:41,140 INFO L225 Difference]: With dead ends: 92 [2019-12-07 13:26:41,140 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:26:41,141 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 13:26:41,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:26:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:26:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:26:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:26:41,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-12-07 13:26:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:41,142 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:26:41,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:26:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:26:41,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:26:41,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:26:41,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:26:41,231 INFO L249 CegarLoopResult]: At program point L846(lines 827 849) the Hoare annotation is: true [2019-12-07 13:26:41,231 INFO L246 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L246 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L235-1(lines 235 241) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L814(lines 810 816) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L104(lines 103 122) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,232 INFO L246 CegarLoopResult]: For program point L104-1(lines 104 110) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L104-2(lines 103 122) the Hoare annotation is: false [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L104-3(lines 103 122) the Hoare annotation is: false [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: false [2019-12-07 13:26:41,232 INFO L246 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L246 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L246 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:26:41,232 INFO L242 CegarLoopResult]: At program point L371-1(lines 1 849) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point L371-2(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L242 CegarLoopResult]: At program point L371-3(lines 1 849) the Hoare annotation is: false [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point L371-4(lines 371 384) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L242 CegarLoopResult]: At program point L371-5(lines 1 849) the Hoare annotation is: false [2019-12-07 13:26:41,233 INFO L242 CegarLoopResult]: At program point L74(lines 1 849) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-12-07 13:26:41,233 INFO L242 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: false [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point L770-1(lines 104 110) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,234 INFO L242 CegarLoopResult]: At program point L358(lines 353 361) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L242 CegarLoopResult]: At program point L358-1(lines 353 361) the Hoare annotation is: false [2019-12-07 13:26:41,235 INFO L242 CegarLoopResult]: At program point L358-2(lines 353 361) the Hoare annotation is: false [2019-12-07 13:26:41,235 INFO L249 CegarLoopResult]: At program point L837-1(lines 837 844) the Hoare annotation is: true [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point L375-2(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L246 CegarLoopResult]: For program point L375-4(lines 375 381) no Hoare annotation was computed. [2019-12-07 13:26:41,235 INFO L242 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L111-1(lines 111 117) the Hoare annotation is: false [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L111-2(lines 111 117) the Hoare annotation is: false [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L245-1(lines 245 251) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L163(lines 158 166) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L163-1(lines 158 166) the Hoare annotation is: false [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L163-2(lines 158 166) the Hoare annotation is: false [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-12-07 13:26:41,236 INFO L242 CegarLoopResult]: At program point L263-2(lines 104 110) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-12-07 13:26:41,236 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 13:26:41,237 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 13:26:41,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:26:41 BoogieIcfgContainer [2019-12-07 13:26:41,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:26:41,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:26:41,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:26:41,250 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:26:41,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:40" (3/4) ... [2019-12-07 13:26:41,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:26:41,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:26:41,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:26:41,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:26:41,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:26:41,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:26:41,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:26:41,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:26:41,287 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 13:26:41,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8036ed8a-62f0-4b1e-bc2a-048b1709f857/bin/uautomizer/witness.graphml [2019-12-07 13:26:41,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:26:41,320 INFO L168 Benchmark]: Toolchain (without parser) took 1555.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 943.4 MB in the beginning and 928.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:41,321 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:26:41,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:41,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.74 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 13:26:41,322 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 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 13:26:41,322 INFO L168 Benchmark]: RCFGBuilder took 404.99 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:41,322 INFO L168 Benchmark]: TraceAbstraction took 680.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 933.8 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:41,322 INFO L168 Benchmark]: Witness Printer took 68.58 ms. Allocated memory is still 1.1 GB. Free memory was 933.8 MB in the beginning and 928.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:41,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.74 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. * Boogie Preprocessor took 23.06 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. * RCFGBuilder took 404.99 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 680.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 933.8 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.58 ms. Allocated memory is still 1.1 GB. Free memory was 933.8 MB in the beginning and 928.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 215 SDtfs, 195 SDslu, 185 SDs, 0 SdLazy, 43 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 55 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 483 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...