./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.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_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/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 8c7c11659b56a65fd9b011a28c96b3117f33c316 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:29:37,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:29:37,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:29:37,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:29:37,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:29:37,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:29:37,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:29:37,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:29:37,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:29:37,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:29:37,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:29:37,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:29:37,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:29:37,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:29:37,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:29:37,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:29:37,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:29:37,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:29:37,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:29:37,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:29:37,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:29:37,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:29:37,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:29:37,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:29:37,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:29:37,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:29:37,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:29:37,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:29:37,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:29:37,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:29:37,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:29:37,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:29:37,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:29:37,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:29:37,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:29:37,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:29:37,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:29:37,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:29:37,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:29:37,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:29:37,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:29:37,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:29:37,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:29:37,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:29:37,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:29:37,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:29:37,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:29:37,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:29:37,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:29:37,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:29:37,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:29:37,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:29:37,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:29:37,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:29:37,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:29:37,794 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_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/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 -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2019-12-07 12:29:37,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:29:37,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:29:37,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:29:37,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:29:37,910 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:29:37,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2019-12-07 12:29:37,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/data/6e4eec275/0c70474ca3c94a24977513337923f5d1/FLAG82cdaa4e6 [2019-12-07 12:29:38,382 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:29:38,382 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2019-12-07 12:29:38,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/data/6e4eec275/0c70474ca3c94a24977513337923f5d1/FLAG82cdaa4e6 [2019-12-07 12:29:38,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/data/6e4eec275/0c70474ca3c94a24977513337923f5d1 [2019-12-07 12:29:38,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:29:38,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:29:38,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:38,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:29:38,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:29:38,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38, skipping insertion in model container [2019-12-07 12:29:38,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:29:38,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:29:38,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:38,662 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:29:38,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:38,729 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:29:38,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38 WrapperNode [2019-12-07 12:29:38,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:38,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:38,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:29:38,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:29:38,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:38,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:29:38,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:29:38,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:29:38,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2019-12-07 12:29:38,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:29:38,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:29:38,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:29:38,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:29:38,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/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 12:29:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:29:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:29:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:29:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:29:39,281 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:29:39,281 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-12-07 12:29:39,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:39 BoogieIcfgContainer [2019-12-07 12:29:39,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:29:39,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:29:39,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:29:39,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:29:39,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:29:38" (1/3) ... [2019-12-07 12:29:39,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737dd8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:39, skipping insertion in model container [2019-12-07 12:29:39,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (2/3) ... [2019-12-07 12:29:39,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737dd8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:39, skipping insertion in model container [2019-12-07 12:29:39,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:39" (3/3) ... [2019-12-07 12:29:39,287 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-12-07 12:29:39,293 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:29:39,298 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:29:39,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:29:39,322 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:29:39,323 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:29:39,323 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:29:39,323 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:29:39,323 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:29:39,323 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:29:39,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:29:39,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:29:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 12:29:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:29:39,340 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:39,341 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:39,341 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1880189342, now seen corresponding path program 1 times [2019-12-07 12:29:39,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:39,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829212083] [2019-12-07 12:29:39,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:39,504 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 12:29:39,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829212083] [2019-12-07 12:29:39,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:39,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:29:39,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871591653] [2019-12-07 12:29:39,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:29:39,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:39,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:29:39,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:29:39,519 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 12:29:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:39,541 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2019-12-07 12:29:39,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:29:39,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:29:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:39,550 INFO L225 Difference]: With dead ends: 252 [2019-12-07 12:29:39,550 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 12:29:39,553 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 12:29:39,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 12:29:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 12:29:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 12:29:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-12-07 12:29:39,585 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2019-12-07 12:29:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:39,585 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 12:29:39,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:29:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2019-12-07 12:29:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:29:39,586 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:39,586 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 12:29:39,586 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:39,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:39,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1368021057, now seen corresponding path program 1 times [2019-12-07 12:29:39,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:39,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639766106] [2019-12-07 12:29:39,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:39,647 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 12:29:39,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639766106] [2019-12-07 12:29:39,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:39,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:29:39,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881916453] [2019-12-07 12:29:39,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:29:39,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:39,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:29:39,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:39,649 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2019-12-07 12:29:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:39,658 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2019-12-07 12:29:39,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:39,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 12:29:39,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:39,660 INFO L225 Difference]: With dead ends: 125 [2019-12-07 12:29:39,660 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 12:29:39,661 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 12:29:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 12:29:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 12:29:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 12:29:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-12-07 12:29:39,665 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2019-12-07 12:29:39,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:39,665 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-12-07 12:29:39,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:29:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-12-07 12:29:39,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:29:39,666 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:39,666 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 12:29:39,666 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:39,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:39,666 INFO L82 PathProgramCache]: Analyzing trace with hash -2019078694, now seen corresponding path program 1 times [2019-12-07 12:29:39,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:39,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106367215] [2019-12-07 12:29:39,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:39,728 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 12:29:39,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106367215] [2019-12-07 12:29:39,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:39,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:29:39,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384301904] [2019-12-07 12:29:39,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:29:39,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:39,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:29:39,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:29:39,729 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2019-12-07 12:29:39,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:39,810 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2019-12-07 12:29:39,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:29:39,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-07 12:29:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:39,812 INFO L225 Difference]: With dead ends: 96 [2019-12-07 12:29:39,812 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 12:29:39,812 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:29:39,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 12:29:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 12:29:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 12:29:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-12-07 12:29:39,818 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2019-12-07 12:29:39,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:39,819 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-12-07 12:29:39,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:29:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-12-07 12:29:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:29:39,820 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:39,820 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:39,820 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:39,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:39,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1511639432, now seen corresponding path program 1 times [2019-12-07 12:29:39,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:39,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129473059] [2019-12-07 12:29:39,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:29:39,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129473059] [2019-12-07 12:29:39,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:39,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:29:39,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923453315] [2019-12-07 12:29:39,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:29:39,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:39,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:29:39,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:39,855 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-12-07 12:29:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:39,874 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2019-12-07 12:29:39,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:39,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:29:39,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:39,875 INFO L225 Difference]: With dead ends: 117 [2019-12-07 12:29:39,876 INFO L226 Difference]: Without dead ends: 72 [2019-12-07 12:29:39,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:39,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-12-07 12:29:39,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-12-07 12:29:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 12:29:39,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2019-12-07 12:29:39,882 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2019-12-07 12:29:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:39,882 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2019-12-07 12:29:39,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:29:39,882 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-12-07 12:29:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 12:29:39,883 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:39,883 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:39,883 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:39,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:39,883 INFO L82 PathProgramCache]: Analyzing trace with hash 406595852, now seen corresponding path program 1 times [2019-12-07 12:29:39,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:39,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937780401] [2019-12-07 12:29:39,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:39,934 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 12:29:39,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937780401] [2019-12-07 12:29:39,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:39,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:29:39,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663286198] [2019-12-07 12:29:39,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:39,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:39,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:39,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:39,936 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2019-12-07 12:29:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,033 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2019-12-07 12:29:40,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:29:40,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 12:29:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,036 INFO L225 Difference]: With dead ends: 335 [2019-12-07 12:29:40,036 INFO L226 Difference]: Without dead ends: 271 [2019-12-07 12:29:40,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:29:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-12-07 12:29:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2019-12-07 12:29:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 12:29:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-07 12:29:40,056 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2019-12-07 12:29:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,056 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-07 12:29:40,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-07 12:29:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 12:29:40,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,058 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1078364354, now seen corresponding path program 1 times [2019-12-07 12:29:40,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146855255] [2019-12-07 12:29:40,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,112 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 12:29:40,112 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146855255] [2019-12-07 12:29:40,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:29:40,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862332251] [2019-12-07 12:29:40,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:40,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:40,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:40,114 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2019-12-07 12:29:40,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,208 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2019-12-07 12:29:40,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:29:40,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 12:29:40,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,210 INFO L225 Difference]: With dead ends: 366 [2019-12-07 12:29:40,210 INFO L226 Difference]: Without dead ends: 364 [2019-12-07 12:29:40,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:29:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-12-07 12:29:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-12-07 12:29:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 12:29:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2019-12-07 12:29:40,222 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2019-12-07 12:29:40,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,222 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2019-12-07 12:29:40,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2019-12-07 12:29:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:40,223 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,224 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,224 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash 123869668, now seen corresponding path program 1 times [2019-12-07 12:29:40,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792951308] [2019-12-07 12:29:40,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,259 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 12:29:40,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792951308] [2019-12-07 12:29:40,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:29:40,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713191899] [2019-12-07 12:29:40,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:40,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:40,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:40,261 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2019-12-07 12:29:40,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,312 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2019-12-07 12:29:40,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:29:40,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 12:29:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,313 INFO L225 Difference]: With dead ends: 336 [2019-12-07 12:29:40,313 INFO L226 Difference]: Without dead ends: 214 [2019-12-07 12:29:40,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:29:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-12-07 12:29:40,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2019-12-07 12:29:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 12:29:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2019-12-07 12:29:40,324 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2019-12-07 12:29:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,324 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2019-12-07 12:29:40,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2019-12-07 12:29:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:40,325 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,325 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,326 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,326 INFO L82 PathProgramCache]: Analyzing trace with hash -462936346, now seen corresponding path program 1 times [2019-12-07 12:29:40,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002054459] [2019-12-07 12:29:40,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,361 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 12:29:40,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002054459] [2019-12-07 12:29:40,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:29:40,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358919290] [2019-12-07 12:29:40,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:29:40,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:29:40,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:40,362 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2019-12-07 12:29:40,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,394 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2019-12-07 12:29:40,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:29:40,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 12:29:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,395 INFO L225 Difference]: With dead ends: 332 [2019-12-07 12:29:40,395 INFO L226 Difference]: Without dead ends: 198 [2019-12-07 12:29:40,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-12-07 12:29:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2019-12-07 12:29:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 12:29:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2019-12-07 12:29:40,404 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2019-12-07 12:29:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,404 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2019-12-07 12:29:40,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:29:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2019-12-07 12:29:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:40,405 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,405 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,405 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1742800024, now seen corresponding path program 1 times [2019-12-07 12:29:40,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543551259] [2019-12-07 12:29:40,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,428 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 12:29:40,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543551259] [2019-12-07 12:29:40,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:29:40,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849849182] [2019-12-07 12:29:40,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:29:40,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:29:40,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:40,429 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2019-12-07 12:29:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,449 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2019-12-07 12:29:40,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:40,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 12:29:40,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,450 INFO L225 Difference]: With dead ends: 340 [2019-12-07 12:29:40,450 INFO L226 Difference]: Without dead ends: 198 [2019-12-07 12:29:40,451 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:40,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-12-07 12:29:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2019-12-07 12:29:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-12-07 12:29:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2019-12-07 12:29:40,461 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2019-12-07 12:29:40,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,461 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2019-12-07 12:29:40,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:29:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2019-12-07 12:29:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 12:29:40,461 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,462 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,462 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,462 INFO L82 PathProgramCache]: Analyzing trace with hash -226364314, now seen corresponding path program 1 times [2019-12-07 12:29:40,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005694332] [2019-12-07 12:29:40,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,510 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 12:29:40,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005694332] [2019-12-07 12:29:40,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 12:29:40,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521720204] [2019-12-07 12:29:40,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:29:40,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:29:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:29:40,511 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 8 states. [2019-12-07 12:29:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:40,805 INFO L93 Difference]: Finished difference Result 764 states and 992 transitions. [2019-12-07 12:29:40,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 12:29:40,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-07 12:29:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:40,807 INFO L225 Difference]: With dead ends: 764 [2019-12-07 12:29:40,807 INFO L226 Difference]: Without dead ends: 572 [2019-12-07 12:29:40,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2019-12-07 12:29:40,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-12-07 12:29:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 198. [2019-12-07 12:29:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-12-07 12:29:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2019-12-07 12:29:40,820 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2019-12-07 12:29:40,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:40,820 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2019-12-07 12:29:40,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:29:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2019-12-07 12:29:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 12:29:40,821 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:40,821 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:40,821 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:40,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:40,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1790569150, now seen corresponding path program 1 times [2019-12-07 12:29:40,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:29:40,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819902678] [2019-12-07 12:29:40,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:29:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:29:40,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819902678] [2019-12-07 12:29:40,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:40,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 12:29:40,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234459699] [2019-12-07 12:29:40,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:29:40,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:29:40,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:29:40,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:29:40,879 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 8 states. [2019-12-07 12:29:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:41,098 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2019-12-07 12:29:41,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 12:29:41,098 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-12-07 12:29:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:41,098 INFO L225 Difference]: With dead ends: 518 [2019-12-07 12:29:41,098 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:29:41,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-12-07 12:29:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:29:41,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:29:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:29:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:29:41,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 12:29:41,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:41,100 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:29:41,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:29:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:29:41,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:29:41,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:29:41,902 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 19 [2019-12-07 12:29:42,160 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 11 [2019-12-07 12:29:42,377 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 11 [2019-12-07 12:29:42,600 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-12-07 12:29:42,815 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-12-07 12:29:43,094 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2019-12-07 12:29:43,151 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-12-07 12:29:43,152 INFO L242 CegarLoopResult]: At program point L301(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L931-3(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L931-5(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L931-6(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,152 INFO L246 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L242 CegarLoopResult]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 ULTIMATE.start_main_~tmp~1) .cse1 .cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse3 .cse4 (not .cse6) .cse5))) [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-8(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-9(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-11(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-12(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-14(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-15(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L931-17(lines 931 935) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L242 CegarLoopResult]: At program point L238(lines 234 240) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-12-07 12:29:43,153 INFO L242 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: false [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L249 CegarLoopResult]: At program point L274(lines 255 277) the Hoare annotation is: true [2019-12-07 12:29:43,153 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 12:29:43,153 INFO L242 CegarLoopResult]: At program point L309(lines 304 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937(lines 922 940) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937-1(lines 922 940) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937-2(lines 922 940) the Hoare annotation is: false [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937-3(lines 922 940) the Hoare annotation is: false [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937-4(lines 922 940) the Hoare annotation is: false [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L937-5(lines 922 940) the Hoare annotation is: false [2019-12-07 12:29:43,154 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,154 INFO L246 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,154 INFO L246 CegarLoopResult]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L873(lines 866 876) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 (not .cse1) .cse2 .cse3 (not .cse4) .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5))) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L873-1(lines 866 876) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L873-2(lines 866 876) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 (not .cse1) .cse3 .cse4 .cse5 (not .cse2) .cse6))) [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L873-3(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,154 INFO L242 CegarLoopResult]: At program point L873-4(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,155 INFO L242 CegarLoopResult]: At program point L873-5(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,155 INFO L242 CegarLoopResult]: At program point L873-6(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,155 INFO L242 CegarLoopResult]: At program point L873-7(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,155 INFO L242 CegarLoopResult]: At program point L873-8(lines 866 876) the Hoare annotation is: false [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L242 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L812-1(lines 812 829) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L812-2(lines 812 829) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L848-6(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,155 INFO L246 CegarLoopResult]: For program point L848-8(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,156 INFO L246 CegarLoopResult]: For program point L848-10(lines 848 854) no Hoare annotation was computed. [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L882(lines 877 885) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (not (= 0 ~methaneLevelCritical~0)) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L882-1(lines 877 885) the Hoare annotation is: false [2019-12-07 12:29:43,156 INFO L246 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L882-2(lines 877 885) the Hoare annotation is: false [2019-12-07 12:29:43,156 INFO L246 CegarLoopResult]: For program point L816-1(lines 816 824) no Hoare annotation was computed. [2019-12-07 12:29:43,156 INFO L246 CegarLoopResult]: For program point L816-2(lines 816 824) no Hoare annotation was computed. [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: false [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not .cse1) .cse2 .cse3 (not .cse4) .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5))) [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse3 .cse4 .cse5 (not .cse2) .cse6))) [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 1 ~systemActive~0) (not .cse0) .cse2 .cse3 (= ~pumpRunning~0 0) (not .cse1) .cse4))) [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,156 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786-3(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786-4(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L786-5(lines 786 803) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L159-1(lines 1 940) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 ULTIMATE.start_main_~tmp~1) .cse1 .cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse3 .cse4 (not .cse6) .cse5))) [2019-12-07 12:29:43,157 INFO L246 CegarLoopResult]: For program point L159-2(lines 159 172) no Hoare annotation was computed. [2019-12-07 12:29:43,157 INFO L242 CegarLoopResult]: At program point L159-3(lines 1 940) the Hoare annotation is: false [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L159-4(lines 159 172) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L242 CegarLoopResult]: At program point L159-5(lines 1 940) the Hoare annotation is: false [2019-12-07 12:29:43,158 INFO L242 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L242 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2019-12-07 12:29:43,158 INFO L242 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L193-1(lines 754 760) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790-3(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790-4(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L790-5(lines 790 798) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-12-07 12:29:43,158 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L163-2(lines 163 169) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L163-4(lines 163 169) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L726-2(lines 754 760) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L246 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-12-07 12:29:43,159 INFO L249 CegarLoopResult]: At program point L265-1(lines 265 272) the Hoare annotation is: true [2019-12-07 12:29:43,159 INFO L242 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3))) [2019-12-07 12:29:43,159 INFO L242 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2019-12-07 12:29:43,159 INFO L242 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2019-12-07 12:29:43,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:29:43 BoogieIcfgContainer [2019-12-07 12:29:43,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:29:43,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:29:43,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:29:43,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:29:43,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:39" (3/4) ... [2019-12-07 12:29:43,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:29:43,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:29:43,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:29:43,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:29:43,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:29:43,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:29:43,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:29:43,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:29:43,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-12-07 12:29:43,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-12-07 12:29:43,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 12:29:43,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 12:29:43,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter [2019-12-07 12:29:43,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter [2019-12-07 12:29:43,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-12-07 12:29:43,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 12:29:43,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-12-07 12:29:43,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && 1 == systemActive) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-12-07 12:29:43,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 0) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter [2019-12-07 12:29:43,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 12:29:43,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((!(0 == \result) && 1 == tmp) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 12:29:43,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,227 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:29:43,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_19924e0e-eeb5-4820-b4e1-1399dd9ec56a/bin/uautomizer/witness.graphml [2019-12-07 12:29:43,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:29:43,269 INFO L168 Benchmark]: Toolchain (without parser) took 4866.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.4 MB in the beginning and 844.8 MB in the end (delta: 98.6 MB). Peak memory consumption was 257.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:43,269 INFO L168 Benchmark]: CDTParser took 0.19 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 12:29:43,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:43,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.52 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 12:29:43,269 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 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 12:29:43,270 INFO L168 Benchmark]: RCFGBuilder took 470.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.7 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:43,270 INFO L168 Benchmark]: TraceAbstraction took 3897.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 993.7 MB in the beginning and 860.0 MB in the end (delta: 133.7 MB). Peak memory consumption was 240.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:43,270 INFO L168 Benchmark]: Witness Printer took 87.41 ms. Allocated memory is still 1.2 GB. Free memory was 860.0 MB in the beginning and 844.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:43,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 327.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 470.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.7 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3897.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 993.7 MB in the beginning and 860.0 MB in the end (delta: 133.7 MB). Peak memory consumption was 240.0 MB. Max. memory is 11.5 GB. * Witness Printer took 87.41 ms. Allocated memory is still 1.2 GB. Free memory was 860.0 MB in the beginning and 844.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 0) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && 1 == systemActive) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((!(0 == \result) && 1 == tmp) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, HoareTripleCheckerStatistics: 1281 SDtfs, 1864 SDslu, 2244 SDs, 0 SdLazy, 378 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 643 HoareAnnotationTreeSize, 54 FomulaSimplifications, 589335 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 56771 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 20272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...