./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.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_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:37:32,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:37:32,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:37:32,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:37:32,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:37:32,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:37:32,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:37:32,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:37:32,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:37:32,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:37:32,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:37:32,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:37:32,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:37:32,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:37:32,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:37:32,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:37:32,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:37:32,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:37:32,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:37:32,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:37:32,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:37:32,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:37:32,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:37:32,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:37:32,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:37:32,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:37:32,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:37:32,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:37:32,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:37:32,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:37:32,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:37:32,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:37:32,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:37:32,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:37:32,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:37:32,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:37:32,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:37:32,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:37:32,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:37:32,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:37:32,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:37:32,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:37:32,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:37:32,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:37:32,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:37:32,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:37:32,135 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:37:32,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:37:32,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:37:32,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:37:32,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:37:32,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:37:32,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:37:32,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:37:32,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:37:32,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:37:32,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:37:32,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:37:32,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:37:32,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:37:32,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:37:32,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:37:32,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:37:32,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:37:32,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:37:32,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:37:32,140 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_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2019-12-07 18:37:32,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:37:32,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:37:32,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:37:32,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:37:32,267 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:37:32,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 18:37:32,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/data/03b48dab9/45f4ff29eddd4df8b29721ae1010d05c/FLAG971ef1d30 [2019-12-07 18:37:32,748 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:37:32,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2019-12-07 18:37:32,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/data/03b48dab9/45f4ff29eddd4df8b29721ae1010d05c/FLAG971ef1d30 [2019-12-07 18:37:32,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/data/03b48dab9/45f4ff29eddd4df8b29721ae1010d05c [2019-12-07 18:37:32,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:37:32,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:37:32,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:32,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:37:32,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:37:32,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:32" (1/1) ... [2019-12-07 18:37:32,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:32, skipping insertion in model container [2019-12-07 18:37:32,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:32" (1/1) ... [2019-12-07 18:37:32,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:37:32,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:37:33,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:33,030 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:37:33,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:33,095 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:37:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33 WrapperNode [2019-12-07 18:37:33,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:33,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:33,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:37:33,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:37:33,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:33,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:37:33,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:37:33,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:37:33,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... [2019-12-07 18:37:33,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:37:33,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:37:33,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:37:33,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:37:33,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/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 18:37:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:37:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:37:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:37:33,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:37:33,589 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:37:33,590 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 18:37:33,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:33 BoogieIcfgContainer [2019-12-07 18:37:33,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:37:33,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:37:33,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:37:33,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:37:33,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:37:32" (1/3) ... [2019-12-07 18:37:33,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64014d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:33, skipping insertion in model container [2019-12-07 18:37:33,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:33" (2/3) ... [2019-12-07 18:37:33,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64014d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:33, skipping insertion in model container [2019-12-07 18:37:33,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:33" (3/3) ... [2019-12-07 18:37:33,597 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2019-12-07 18:37:33,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:37:33,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 18:37:33,615 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:37:33,632 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:37:33,632 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:37:33,632 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:37:33,632 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:37:33,632 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:37:33,632 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:37:33,632 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:37:33,633 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:37:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 18:37:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:37:33,648 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:33,649 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:33,649 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:33,653 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2019-12-07 18:37:33,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:33,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537102298] [2019-12-07 18:37:33,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:33,808 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 18:37:33,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537102298] [2019-12-07 18:37:33,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:33,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:37:33,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797856978] [2019-12-07 18:37:33,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:37:33,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:33,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:37:33,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:37:33,822 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2019-12-07 18:37:33,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:33,840 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2019-12-07 18:37:33,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:37:33,841 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 18:37:33,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:33,848 INFO L225 Difference]: With dead ends: 162 [2019-12-07 18:37:33,849 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 18:37:33,851 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 18:37:33,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 18:37:33,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 18:37:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 18:37:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2019-12-07 18:37:33,878 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2019-12-07 18:37:33,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:33,878 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2019-12-07 18:37:33,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:37:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2019-12-07 18:37:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 18:37:33,879 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:33,879 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:33,879 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:33,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:33,879 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2019-12-07 18:37:33,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:33,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518398695] [2019-12-07 18:37:33,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:33,937 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 18:37:33,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518398695] [2019-12-07 18:37:33,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:33,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:37:33,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145335412] [2019-12-07 18:37:33,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:37:33,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:33,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:37:33,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:33,940 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2019-12-07 18:37:33,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:33,948 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2019-12-07 18:37:33,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:37:33,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 18:37:33,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:33,949 INFO L225 Difference]: With dead ends: 80 [2019-12-07 18:37:33,949 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 18:37:33,950 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 18:37:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 18:37:33,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 18:37:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 18:37:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2019-12-07 18:37:33,953 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2019-12-07 18:37:33,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:33,954 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-12-07 18:37:33,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:37:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-12-07 18:37:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:37:33,954 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:33,955 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 18:37:33,955 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:33,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:33,955 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2019-12-07 18:37:33,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:33,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753640623] [2019-12-07 18:37:33,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,005 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 18:37:34,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753640623] [2019-12-07 18:37:34,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:37:34,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119459439] [2019-12-07 18:37:34,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:37:34,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:37:34,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:34,006 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2019-12-07 18:37:34,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,024 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2019-12-07 18:37:34,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:37:34,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 18:37:34,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,025 INFO L225 Difference]: With dead ends: 66 [2019-12-07 18:37:34,025 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 18:37:34,025 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 18:37:34,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 18:37:34,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 18:37:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 18:37:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2019-12-07 18:37:34,029 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2019-12-07 18:37:34,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,029 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2019-12-07 18:37:34,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:37:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2019-12-07 18:37:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 18:37:34,030 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,030 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:34,030 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,030 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2019-12-07 18:37:34,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147168372] [2019-12-07 18:37:34,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,061 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 18:37:34,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147168372] [2019-12-07 18:37:34,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:37:34,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047060934] [2019-12-07 18:37:34,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:37:34,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:37:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:34,063 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2019-12-07 18:37:34,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,081 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2019-12-07 18:37:34,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:37:34,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 18:37:34,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,082 INFO L225 Difference]: With dead ends: 89 [2019-12-07 18:37:34,082 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 18:37:34,083 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 18:37:34,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 18:37:34,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2019-12-07 18:37:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 18:37:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-12-07 18:37:34,088 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2019-12-07 18:37:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,088 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-12-07 18:37:34,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:37:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-12-07 18:37:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 18:37:34,089 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,089 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:34,089 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2019-12-07 18:37:34,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464683149] [2019-12-07 18:37:34,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,129 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 18:37:34,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464683149] [2019-12-07 18:37:34,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:37:34,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005632620] [2019-12-07 18:37:34,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:37:34,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:37:34,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:37:34,131 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2019-12-07 18:37:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,175 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2019-12-07 18:37:34,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:37:34,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 18:37:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,177 INFO L225 Difference]: With dead ends: 149 [2019-12-07 18:37:34,177 INFO L226 Difference]: Without dead ends: 98 [2019-12-07 18:37:34,178 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 18:37:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-12-07 18:37:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2019-12-07 18:37:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 18:37:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-12-07 18:37:34,186 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2019-12-07 18:37:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,187 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-12-07 18:37:34,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:37:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-12-07 18:37:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 18:37:34,188 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,188 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 18:37:34,188 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2019-12-07 18:37:34,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386600910] [2019-12-07 18:37:34,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,238 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 18:37:34,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386600910] [2019-12-07 18:37:34,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:37:34,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473016755] [2019-12-07 18:37:34,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:37:34,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:37:34,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:37:34,239 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-12-07 18:37:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,324 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2019-12-07 18:37:34,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:37:34,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 18:37:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,327 INFO L225 Difference]: With dead ends: 314 [2019-12-07 18:37:34,327 INFO L226 Difference]: Without dead ends: 260 [2019-12-07 18:37:34,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:37:34,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-12-07 18:37:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-12-07 18:37:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-12-07 18:37:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2019-12-07 18:37:34,339 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2019-12-07 18:37:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,340 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2019-12-07 18:37:34,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:37:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2019-12-07 18:37:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 18:37:34,341 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,341 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] [2019-12-07 18:37:34,341 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1572316506, now seen corresponding path program 1 times [2019-12-07 18:37:34,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927129548] [2019-12-07 18:37:34,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,383 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 18:37:34,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927129548] [2019-12-07 18:37:34,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:37:34,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908459965] [2019-12-07 18:37:34,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:37:34,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:37:34,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:37:34,385 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 5 states. [2019-12-07 18:37:34,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,516 INFO L93 Difference]: Finished difference Result 499 states and 704 transitions. [2019-12-07 18:37:34,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 18:37:34,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 18:37:34,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,519 INFO L225 Difference]: With dead ends: 499 [2019-12-07 18:37:34,520 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 18:37:34,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 18:37:34,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 18:37:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 152. [2019-12-07 18:37:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 18:37:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 207 transitions. [2019-12-07 18:37:34,544 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 207 transitions. Word has length 32 [2019-12-07 18:37:34,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,544 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 207 transitions. [2019-12-07 18:37:34,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:37:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 207 transitions. [2019-12-07 18:37:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 18:37:34,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,546 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] [2019-12-07 18:37:34,547 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2019-12-07 18:37:34,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707038791] [2019-12-07 18:37:34,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,580 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 18:37:34,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707038791] [2019-12-07 18:37:34,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:37:34,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720681680] [2019-12-07 18:37:34,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:37:34,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:37:34,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:37:34,581 INFO L87 Difference]: Start difference. First operand 152 states and 207 transitions. Second operand 4 states. [2019-12-07 18:37:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,611 INFO L93 Difference]: Finished difference Result 352 states and 487 transitions. [2019-12-07 18:37:34,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:34,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 18:37:34,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,613 INFO L225 Difference]: With dead ends: 352 [2019-12-07 18:37:34,613 INFO L226 Difference]: Without dead ends: 250 [2019-12-07 18:37:34,614 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 18:37:34,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-12-07 18:37:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 149. [2019-12-07 18:37:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-12-07 18:37:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 203 transitions. [2019-12-07 18:37:34,626 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 203 transitions. Word has length 32 [2019-12-07 18:37:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,626 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 203 transitions. [2019-12-07 18:37:34,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:37:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2019-12-07 18:37:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 18:37:34,627 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,627 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] [2019-12-07 18:37:34,627 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2019-12-07 18:37:34,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350446611] [2019-12-07 18:37:34,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,661 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 18:37:34,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350446611] [2019-12-07 18:37:34,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:37:34,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549376789] [2019-12-07 18:37:34,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:37:34,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:37:34,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:37:34,663 INFO L87 Difference]: Start difference. First operand 149 states and 203 transitions. Second operand 5 states. [2019-12-07 18:37:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,745 INFO L93 Difference]: Finished difference Result 351 states and 489 transitions. [2019-12-07 18:37:34,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:34,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 18:37:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,746 INFO L225 Difference]: With dead ends: 351 [2019-12-07 18:37:34,747 INFO L226 Difference]: Without dead ends: 90 [2019-12-07 18:37:34,748 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 18:37:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-12-07 18:37:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 60. [2019-12-07 18:37:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 18:37:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2019-12-07 18:37:34,754 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 32 [2019-12-07 18:37:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,755 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2019-12-07 18:37:34,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:37:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2019-12-07 18:37:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 18:37:34,755 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:34,756 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] [2019-12-07 18:37:34,756 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:34,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:34,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2019-12-07 18:37:34,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:34,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814214638] [2019-12-07 18:37:34,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:34,793 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 18:37:34,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814214638] [2019-12-07 18:37:34,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:34,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:37:34,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894602815] [2019-12-07 18:37:34,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:37:34,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:34,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:37:34,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:37:34,795 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. Second operand 5 states. [2019-12-07 18:37:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:34,820 INFO L93 Difference]: Finished difference Result 103 states and 131 transitions. [2019-12-07 18:37:34,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:37:34,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 18:37:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:34,820 INFO L225 Difference]: With dead ends: 103 [2019-12-07 18:37:34,820 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:37:34,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 18:37:34,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:37:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:37:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:37:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:37:34,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-12-07 18:37:34,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:34,821 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:37:34,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:37:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:37:34,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:37:34,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:37:35,157 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 15 [2019-12-07 18:37:35,464 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-12-07 18:37:35,750 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2019-12-07 18:37:35,893 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,893 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 18:37:35,893 INFO L242 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,893 INFO L242 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: false [2019-12-07 18:37:35,893 INFO L242 CegarLoopResult]: At program point L234-2(lines 234 240) the Hoare annotation is: false [2019-12-07 18:37:35,893 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:37:35,893 INFO L246 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2019-12-07 18:37:35,893 INFO L242 CegarLoopResult]: At program point L763-1(lines 1 918) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,893 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 776) no Hoare annotation was computed. [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L763-3(lines 1 918) the Hoare annotation is: false [2019-12-07 18:37:35,894 INFO L246 CegarLoopResult]: For program point L763-4(lines 763 776) no Hoare annotation was computed. [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L763-5(lines 1 918) the Hoare annotation is: false [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L879(lines 870 883) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 .cse2))) [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L367(lines 352 370) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse3 .cse4 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4))) [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L879-1(lines 870 883) the Hoare annotation is: false [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L367-1(lines 352 370) the Hoare annotation is: false [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L879-2(lines 870 883) the Hoare annotation is: false [2019-12-07 18:37:35,894 INFO L242 CegarLoopResult]: At program point L367-2(lines 352 370) the Hoare annotation is: false [2019-12-07 18:37:35,895 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 18:37:35,895 INFO L246 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-12-07 18:37:35,895 INFO L246 CegarLoopResult]: For program point L797-3(lines 797 801) no Hoare annotation was computed. [2019-12-07 18:37:35,895 INFO L246 CegarLoopResult]: For program point L797-6(lines 797 801) no Hoare annotation was computed. [2019-12-07 18:37:35,895 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 18:37:35,895 INFO L242 CegarLoopResult]: At program point L915(lines 910 918) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 18:37:35,895 INFO L242 CegarLoopResult]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 18:37:35,895 INFO L242 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,895 INFO L242 CegarLoopResult]: At program point L866-1(lines 861 869) the Hoare annotation is: false [2019-12-07 18:37:35,896 INFO L242 CegarLoopResult]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2019-12-07 18:37:35,896 INFO L246 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2019-12-07 18:37:35,896 INFO L246 CegarLoopResult]: For program point L767-2(lines 767 773) no Hoare annotation was computed. [2019-12-07 18:37:35,896 INFO L246 CegarLoopResult]: For program point L767-4(lines 767 773) no Hoare annotation was computed. [2019-12-07 18:37:35,896 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 18:37:35,896 INFO L242 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: false [2019-12-07 18:37:35,896 INFO L242 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,896 INFO L242 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2019-12-07 18:37:35,896 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L242 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L249 CegarLoopResult]: At program point L207(lines 188 210) the Hoare annotation is: true [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L786-2(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,897 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L242 CegarLoopResult]: At program point L93-2(lines 227 233) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L127-1(lines 227 233) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-12-07 18:37:35,898 INFO L242 CegarLoopResult]: At program point L227(lines 226 245) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L227-1(lines 227 233) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L242 CegarLoopResult]: At program point L227-2(lines 226 245) the Hoare annotation is: false [2019-12-07 18:37:35,899 INFO L242 CegarLoopResult]: At program point L227-3(lines 226 245) the Hoare annotation is: false [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L757-2(lines 757 777) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L757-4(lines 757 777) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L361-3(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L361-5(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,899 INFO L246 CegarLoopResult]: For program point L361-6(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,900 INFO L246 CegarLoopResult]: For program point L361-8(lines 361 365) no Hoare annotation was computed. [2019-12-07 18:37:35,900 INFO L242 CegarLoopResult]: At program point L312(lines 307 315) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:37:35,900 INFO L242 CegarLoopResult]: At program point L312-1(lines 307 315) the Hoare annotation is: false [2019-12-07 18:37:35,900 INFO L242 CegarLoopResult]: At program point L312-2(lines 307 315) the Hoare annotation is: false [2019-12-07 18:37:35,900 INFO L242 CegarLoopResult]: At program point L907(lines 1 918) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 18:37:35,900 INFO L246 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-12-07 18:37:35,900 INFO L246 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2019-12-07 18:37:35,900 INFO L246 CegarLoopResult]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2019-12-07 18:37:35,900 INFO L246 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1))) [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L246 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2019-12-07 18:37:35,901 INFO L249 CegarLoopResult]: At program point L198-1(lines 198 205) the Hoare annotation is: true [2019-12-07 18:37:35,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:37:35 BoogieIcfgContainer [2019-12-07 18:37:35,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:37:35,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:37:35,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:37:35,923 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:37:35,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:33" (3/4) ... [2019-12-07 18:37:35,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:37:35,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 18:37:35,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 18:37:35,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 18:37:35,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:37:35,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:37:35,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:37:35,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:37:35,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 18:37:35,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 18:37:35,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 0 && 1 == systemActive) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 18:37:35,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-12-07 18:37:36,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d4dd47c8-d14f-4ef8-b08f-8675b8b4f8ac/bin/uautomizer/witness.graphml [2019-12-07 18:37:36,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:37:36,023 INFO L168 Benchmark]: Toolchain (without parser) took 3253.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,023 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:36,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,024 INFO L168 Benchmark]: Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:36,024 INFO L168 Benchmark]: RCFGBuilder took 425.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,025 INFO L168 Benchmark]: TraceAbstraction took 2331.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 196.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,025 INFO L168 Benchmark]: Witness Printer took 98.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:36,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 425.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2331.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 196.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: 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: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 0 && 1 == systemActive) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == tmp) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 745 SDtfs, 823 SDslu, 1116 SDs, 0 SdLazy, 168 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 618 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 101 NumberOfFragments, 368 HoareAnnotationTreeSize, 34 FomulaSimplifications, 27150 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 34 FomulaSimplificationsInter, 4328 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 11520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...