./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:54,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:54,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:54,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:54,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:54,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:54,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:54,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:54,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:54,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:54,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:54,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:54,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:54,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:54,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:54,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:54,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:54,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:54,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:54,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:54,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:54,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:54,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:54,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:54,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:54,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:54,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:54,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:54,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:54,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:54,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:54,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:54,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:54,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:54,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:54,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:54,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:54,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:54,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:54,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:54,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:54,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:54,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:54,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:54,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:54,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:54,804 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:54,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:54,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:54,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:54,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:54,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:54,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:54,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:54,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:54,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:54,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:54,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:54,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:54,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:54,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:54,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:54,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:54,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:54,807 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/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-10-22 09:02:54,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:54,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:54,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:54,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:54,857 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:54,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 09:02:54,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/data/c9334463c/b1042660d25a42d8a11e0dc17c9bfbe3/FLAGf80a88531 [2019-10-22 09:02:55,319 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:55,320 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 09:02:55,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/data/c9334463c/b1042660d25a42d8a11e0dc17c9bfbe3/FLAGf80a88531 [2019-10-22 09:02:55,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/data/c9334463c/b1042660d25a42d8a11e0dc17c9bfbe3 [2019-10-22 09:02:55,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:55,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:55,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:55,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:55,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:55,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fa1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55, skipping insertion in model container [2019-10-22 09:02:55,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,363 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:55,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:55,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:55,731 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:55,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:55,846 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:55,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55 WrapperNode [2019-10-22 09:02:55,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:55,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:55,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:55,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:55,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:55,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:55,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:55,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:55,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... [2019-10-22 09:02:55,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:56,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:56,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:56,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:56,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/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 [2019-10-22 09:02:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:57,121 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:57,121 INFO L284 CfgBuilder]: Removed 278 assume(true) statements. [2019-10-22 09:02:57,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57 BoogieIcfgContainer [2019-10-22 09:02:57,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:57,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:57,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:57,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:57,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:55" (1/3) ... [2019-10-22 09:02:57,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e27c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:57, skipping insertion in model container [2019-10-22 09:02:57,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:55" (2/3) ... [2019-10-22 09:02:57,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e27c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:57, skipping insertion in model container [2019-10-22 09:02:57,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57" (3/3) ... [2019-10-22 09:02:57,129 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-10-22 09:02:57,140 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:57,152 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:57,162 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:57,185 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:57,185 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:57,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:57,186 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:57,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:57,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:57,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:57,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-22 09:02:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:57,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,216 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:57,218 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2019-10-22 09:02:57,231 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999098271] [2019-10-22 09:02:57,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:57,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999098271] [2019-10-22 09:02:57,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:57,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807470472] [2019-10-22 09:02:57,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:57,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:57,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:57,426 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-22 09:02:57,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:57,463 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-10-22 09:02:57,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:57,464 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:02:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:57,476 INFO L225 Difference]: With dead ends: 372 [2019-10-22 09:02:57,476 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 09:02:57,480 INFO L600 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 [2019-10-22 09:02:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 09:02:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-10-22 09:02:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 09:02:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-10-22 09:02:57,531 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-10-22 09:02:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:57,531 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-10-22 09:02:57,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-10-22 09:02:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:57,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,537 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:57,538 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2019-10-22 09:02:57,538 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73633195] [2019-10-22 09:02:57,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:57,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73633195] [2019-10-22 09:02:57,663 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,663 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:57,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326674786] [2019-10-22 09:02:57,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:57,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:57,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:57,666 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2019-10-22 09:02:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:57,693 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2019-10-22 09:02:57,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:57,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:02:57,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:57,696 INFO L225 Difference]: With dead ends: 185 [2019-10-22 09:02:57,696 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 09:02:57,697 INFO L600 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 [2019-10-22 09:02:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 09:02:57,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 09:02:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 09:02:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-10-22 09:02:57,711 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2019-10-22 09:02:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:57,712 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-10-22 09:02:57,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-10-22 09:02:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:57,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,713 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:57,713 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,714 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2019-10-22 09:02:57,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829607295] [2019-10-22 09:02:57,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:57,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829607295] [2019-10-22 09:02:57,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:57,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657493874] [2019-10-22 09:02:57,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:57,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:57,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:57,835 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 5 states. [2019-10-22 09:02:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:57,888 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2019-10-22 09:02:57,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:57,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 09:02:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:57,889 INFO L225 Difference]: With dead ends: 136 [2019-10-22 09:02:57,890 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 09:02:57,890 INFO L600 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 [2019-10-22 09:02:57,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 09:02:57,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 09:02:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 09:02:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2019-10-22 09:02:57,899 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2019-10-22 09:02:57,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:57,900 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2019-10-22 09:02:57,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-10-22 09:02:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:02:57,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:57,901 INFO L380 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] [2019-10-22 09:02:57,901 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2019-10-22 09:02:57,902 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103056375] [2019-10-22 09:02:57,902 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,902 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:57,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103056375] [2019-10-22 09:02:57,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:57,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:57,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424412309] [2019-10-22 09:02:57,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:57,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:57,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:57,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:57,969 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2019-10-22 09:02:58,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,020 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-10-22 09:02:58,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:58,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 09:02:58,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,022 INFO L225 Difference]: With dead ends: 145 [2019-10-22 09:02:58,022 INFO L226 Difference]: Without dead ends: 80 [2019-10-22 09:02:58,023 INFO L600 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 [2019-10-22 09:02:58,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-22 09:02:58,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-10-22 09:02:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 09:02:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2019-10-22 09:02:58,033 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2019-10-22 09:02:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,033 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2019-10-22 09:02:58,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2019-10-22 09:02:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 09:02:58,034 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,034 INFO L380 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] [2019-10-22 09:02:58,035 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:58,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,035 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2019-10-22 09:02:58,035 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,036 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610505545] [2019-10-22 09:02:58,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:58,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610505545] [2019-10-22 09:02:58,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:58,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151018658] [2019-10-22 09:02:58,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:58,144 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:58,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:58,145 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2019-10-22 09:02:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,285 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2019-10-22 09:02:58,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:58,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 09:02:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,287 INFO L225 Difference]: With dead ends: 204 [2019-10-22 09:02:58,287 INFO L226 Difference]: Without dead ends: 132 [2019-10-22 09:02:58,288 INFO L600 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 [2019-10-22 09:02:58,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-22 09:02:58,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2019-10-22 09:02:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 09:02:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2019-10-22 09:02:58,299 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2019-10-22 09:02:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,299 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2019-10-22 09:02:58,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2019-10-22 09:02:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 09:02:58,301 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,301 INFO L380 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] [2019-10-22 09:02:58,301 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2019-10-22 09:02:58,302 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,302 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332297257] [2019-10-22 09:02:58,302 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,302 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:58,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332297257] [2019-10-22 09:02:58,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,410 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:58,410 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726864726] [2019-10-22 09:02:58,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:58,411 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:58,413 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2019-10-22 09:02:58,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,532 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2019-10-22 09:02:58,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:58,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 09:02:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,534 INFO L225 Difference]: With dead ends: 300 [2019-10-22 09:02:58,535 INFO L226 Difference]: Without dead ends: 219 [2019-10-22 09:02:58,535 INFO L600 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 [2019-10-22 09:02:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-10-22 09:02:58,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2019-10-22 09:02:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 09:02:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2019-10-22 09:02:58,569 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2019-10-22 09:02:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,570 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2019-10-22 09:02:58,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2019-10-22 09:02:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:02:58,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,573 INFO L380 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] [2019-10-22 09:02:58,573 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash -370370771, now seen corresponding path program 1 times [2019-10-22 09:02:58,574 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364966068] [2019-10-22 09:02:58,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:58,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364966068] [2019-10-22 09:02:58,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:58,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909677541] [2019-10-22 09:02:58,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:58,671 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:58,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:58,671 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 5 states. [2019-10-22 09:02:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:58,847 INFO L93 Difference]: Finished difference Result 294 states and 401 transitions. [2019-10-22 09:02:58,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:58,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 09:02:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:58,849 INFO L225 Difference]: With dead ends: 294 [2019-10-22 09:02:58,849 INFO L226 Difference]: Without dead ends: 292 [2019-10-22 09:02:58,849 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-10-22 09:02:58,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 131. [2019-10-22 09:02:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 09:02:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 175 transitions. [2019-10-22 09:02:58,863 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 175 transitions. Word has length 32 [2019-10-22 09:02:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:58,863 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 175 transitions. [2019-10-22 09:02:58,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 175 transitions. [2019-10-22 09:02:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:02:58,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:58,864 INFO L380 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] [2019-10-22 09:02:58,865 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:58,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash 869058472, now seen corresponding path program 1 times [2019-10-22 09:02:58,865 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,865 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351566493] [2019-10-22 09:02:58,865 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,865 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:58,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351566493] [2019-10-22 09:02:58,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:58,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:58,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775213785] [2019-10-22 09:02:58,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:58,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:58,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:58,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:58,917 INFO L87 Difference]: Start difference. First operand 131 states and 175 transitions. Second operand 6 states. [2019-10-22 09:02:59,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:59,020 INFO L93 Difference]: Finished difference Result 310 states and 413 transitions. [2019-10-22 09:02:59,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:59,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 09:02:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:59,022 INFO L225 Difference]: With dead ends: 310 [2019-10-22 09:02:59,022 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 09:02:59,023 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 09:02:59,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 118. [2019-10-22 09:02:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 09:02:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2019-10-22 09:02:59,035 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 154 transitions. Word has length 32 [2019-10-22 09:02:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:59,035 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 154 transitions. [2019-10-22 09:02:59,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2019-10-22 09:02:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:02:59,037 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:59,037 INFO L380 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] [2019-10-22 09:02:59,037 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:59,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:59,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1127223910, now seen corresponding path program 1 times [2019-10-22 09:02:59,038 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:59,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056778489] [2019-10-22 09:02:59,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:59,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056778489] [2019-10-22 09:02:59,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:59,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:59,085 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858644926] [2019-10-22 09:02:59,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:59,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:59,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:59,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:59,086 INFO L87 Difference]: Start difference. First operand 118 states and 154 transitions. Second operand 5 states. [2019-10-22 09:02:59,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:59,210 INFO L93 Difference]: Finished difference Result 331 states and 441 transitions. [2019-10-22 09:02:59,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:59,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 09:02:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:59,211 INFO L225 Difference]: With dead ends: 331 [2019-10-22 09:02:59,212 INFO L226 Difference]: Without dead ends: 244 [2019-10-22 09:02:59,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:59,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-10-22 09:02:59,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 163. [2019-10-22 09:02:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-22 09:02:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 210 transitions. [2019-10-22 09:02:59,230 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 210 transitions. Word has length 32 [2019-10-22 09:02:59,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:59,231 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 210 transitions. [2019-10-22 09:02:59,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:59,231 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2019-10-22 09:02:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 09:02:59,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:59,233 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:59,233 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:59,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2019-10-22 09:02:59,233 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:59,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307921465] [2019-10-22 09:02:59,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:59,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307921465] [2019-10-22 09:02:59,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201334050] [2019-10-22 09:02:59,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:59,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:02:59,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:59,477 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:59,477 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-10-22 09:02:59,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723908857] [2019-10-22 09:02:59,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:59,478 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:59,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:59,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:59,479 INFO L87 Difference]: Start difference. First operand 163 states and 210 transitions. Second operand 6 states. [2019-10-22 09:02:59,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:59,693 INFO L93 Difference]: Finished difference Result 532 states and 700 transitions. [2019-10-22 09:02:59,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:59,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-22 09:02:59,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:59,695 INFO L225 Difference]: With dead ends: 532 [2019-10-22 09:02:59,696 INFO L226 Difference]: Without dead ends: 400 [2019-10-22 09:02:59,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:02:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2019-10-22 09:02:59,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 229. [2019-10-22 09:02:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-22 09:02:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 298 transitions. [2019-10-22 09:02:59,724 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 298 transitions. Word has length 57 [2019-10-22 09:02:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:59,725 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 298 transitions. [2019-10-22 09:02:59,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 298 transitions. [2019-10-22 09:02:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 09:02:59,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:59,727 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:59,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:59,927 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:59,928 INFO L82 PathProgramCache]: Analyzing trace with hash 852511654, now seen corresponding path program 2 times [2019-10-22 09:02:59,928 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:59,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661589847] [2019-10-22 09:02:59,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:59,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:03:00,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661589847] [2019-10-22 09:03:00,061 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,061 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:03:00,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404703327] [2019-10-22 09:03:00,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:03:00,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:03:00,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:03:00,062 INFO L87 Difference]: Start difference. First operand 229 states and 298 transitions. Second operand 5 states. [2019-10-22 09:03:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:00,239 INFO L93 Difference]: Finished difference Result 688 states and 907 transitions. [2019-10-22 09:03:00,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:03:00,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-22 09:03:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:00,241 INFO L225 Difference]: With dead ends: 688 [2019-10-22 09:03:00,242 INFO L226 Difference]: Without dead ends: 489 [2019-10-22 09:03:00,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:03:00,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-10-22 09:03:00,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 317. [2019-10-22 09:03:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-10-22 09:03:00,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 409 transitions. [2019-10-22 09:03:00,277 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 409 transitions. Word has length 82 [2019-10-22 09:03:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:00,278 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 409 transitions. [2019-10-22 09:03:00,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:03:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 409 transitions. [2019-10-22 09:03:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 09:03:00,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:00,280 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:00,280 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:00,281 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2019-10-22 09:03:00,281 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:00,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332600236] [2019-10-22 09:03:00,281 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:00,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 09:03:00,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332600236] [2019-10-22 09:03:00,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:00,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:03:00,344 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284704902] [2019-10-22 09:03:00,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:03:00,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:00,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:03:00,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:03:00,345 INFO L87 Difference]: Start difference. First operand 317 states and 409 transitions. Second operand 5 states. [2019-10-22 09:03:00,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:00,408 INFO L93 Difference]: Finished difference Result 571 states and 735 transitions. [2019-10-22 09:03:00,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:03:00,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-22 09:03:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:00,409 INFO L225 Difference]: With dead ends: 571 [2019-10-22 09:03:00,409 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:03:00,410 INFO L600 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 [2019-10-22 09:03:00,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:03:00,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:03:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:03:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:03:00,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-10-22 09:03:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:00,411 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:00,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:03:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:00,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:03:00,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:03:01,327 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2019-10-22 09:03:01,499 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-10-22 09:03:01,867 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 22 [2019-10-22 09:03:02,257 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 22 [2019-10-22 09:03:02,452 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-10-22 09:03:02,754 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 22 [2019-10-22 09:03:02,992 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2019-10-22 09:03:03,228 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 15 [2019-10-22 09:03:03,437 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-10-22 09:03:03,712 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 22 [2019-10-22 09:03:03,906 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-10-22 09:03:03,914 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-10-22 09:03:03,914 INFO L446 ceAbstractionStarter]: At program point L466-1(lines 466 473) the Hoare annotation is: true [2019-10-22 09:03:03,914 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-10-22 09:03:03,914 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,915 INFO L443 ceAbstractionStarter]: For program point L367-2(lines 367 373) no Hoare annotation was computed. [2019-10-22 09:03:03,915 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,915 INFO L443 ceAbstractionStarter]: For program point L334-3(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,915 INFO L443 ceAbstractionStarter]: For program point L367-4(lines 367 373) no Hoare annotation was computed. [2019-10-22 09:03:03,915 INFO L443 ceAbstractionStarter]: For program point L334-5(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 (<= 2 ~waterLevel~0)) (and (and (= ~pumpRunning~0 0) .cse0) (<= 1 ~waterLevel~0)))) [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L334-6(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-10-22 09:03:03,916 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L334-8(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L439 ceAbstractionStarter]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L334-9(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L334-11(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L334-12(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,916 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L334-14(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-2(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L334-15(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-3(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-4(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L334-17(lines 334 338) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-5(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-6(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-7(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-8(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,917 INFO L443 ceAbstractionStarter]: For program point L929-9(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,918 INFO L443 ceAbstractionStarter]: For program point L929-10(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,918 INFO L443 ceAbstractionStarter]: For program point L929-11(lines 929 935) no Hoare annotation was computed. [2019-10-22 09:03:03,918 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-22 09:03:03,918 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 09:03:03,918 INFO L439 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and (and .cse0 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-10-22 09:03:03,918 INFO L439 ceAbstractionStarter]: At program point L934(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,918 INFO L439 ceAbstractionStarter]: At program point L934-1(lines 925 938) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-10-22 09:03:03,918 INFO L439 ceAbstractionStarter]: At program point L934-2(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-3(lines 925 938) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-4(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-5(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-6(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-7(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-8(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-9(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-10(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L934-11(lines 925 938) the Hoare annotation is: false [2019-10-22 09:03:03,919 INFO L439 ceAbstractionStarter]: At program point L340(lines 325 343) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L340-1(lines 325 343) the Hoare annotation is: false [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L340-2(lines 325 343) the Hoare annotation is: false [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L340-3(lines 325 343) the Hoare annotation is: false [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L340-4(lines 325 343) the Hoare annotation is: false [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L340-5(lines 325 343) the Hoare annotation is: false [2019-10-22 09:03:03,920 INFO L439 ceAbstractionStarter]: At program point L440(lines 436 442) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:03:03,920 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,920 INFO L446 ceAbstractionStarter]: At program point L475(lines 456 478) the Hoare annotation is: true [2019-10-22 09:03:03,921 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-10-22 09:03:03,921 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 230) no Hoare annotation was computed. [2019-10-22 09:03:03,921 INFO L443 ceAbstractionStarter]: For program point L213-2(lines 213 230) no Hoare annotation was computed. [2019-10-22 09:03:03,921 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 880) no Hoare annotation was computed. [2019-10-22 09:03:03,934 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-18(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-20(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,935 INFO L443 ceAbstractionStarter]: For program point L315-21(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-23(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-24(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-26(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-27(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-29(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-30(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-32(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-33(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L217-1(lines 217 225) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L315-35(lines 315 319) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 225) no Hoare annotation was computed. [2019-10-22 09:03:03,936 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944(lines 939 947) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944-1(lines 939 947) the Hoare annotation is: false [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2019-10-22 09:03:03,937 INFO L439 ceAbstractionStarter]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2019-10-22 09:03:03,937 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:03:03,937 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,937 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,937 INFO L443 ceAbstractionStarter]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L443 ceAbstractionStarter]: For program point L187-3(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L443 ceAbstractionStarter]: For program point L187-4(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L443 ceAbstractionStarter]: For program point L187-5(lines 187 204) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L439 ceAbstractionStarter]: At program point L980(lines 1 991) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:03:03,938 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L439 ceAbstractionStarter]: At program point L321(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,938 INFO L439 ceAbstractionStarter]: At program point L321-1(lines 306 324) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (<= 1 ~waterLevel~0) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4)))) [2019-10-22 09:03:03,938 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,938 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-3(lines 306 324) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4) (<= 1 ~waterLevel~0)))) [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-6(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-7(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-8(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-9(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-10(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L439 ceAbstractionStarter]: At program point L321-11(lines 306 324) the Hoare annotation is: false [2019-10-22 09:03:03,939 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:03:03,940 INFO L439 ceAbstractionStarter]: At program point L257(lines 250 260) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:03:03,940 INFO L439 ceAbstractionStarter]: At program point L257-1(lines 250 260) the Hoare annotation is: false [2019-10-22 09:03:03,940 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,940 INFO L439 ceAbstractionStarter]: At program point L257-2(lines 250 260) the Hoare annotation is: false [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L191-3(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L191-4(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L191-5(lines 191 199) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L852-3(lines 852 856) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L852-6(lines 852 856) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 129 135) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and (and .cse0 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:03:03,941 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L439 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: false [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-6(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-7(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,942 INFO L439 ceAbstractionStarter]: At program point L921(lines 916 924) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0)))) [2019-10-22 09:03:03,942 INFO L443 ceAbstractionStarter]: For program point L161-8(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L921-1(lines 916 924) the Hoare annotation is: false [2019-10-22 09:03:03,943 INFO L443 ceAbstractionStarter]: For program point L161-9(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L443 ceAbstractionStarter]: For program point L161-10(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L921-2(lines 916 924) the Hoare annotation is: false [2019-10-22 09:03:03,943 INFO L443 ceAbstractionStarter]: For program point L161-11(lines 161 178) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L129(lines 128 147) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:03:03,943 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-10-22 09:03:03,943 INFO L439 ceAbstractionStarter]: At program point L988(lines 983 991) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:03:03,944 INFO L439 ceAbstractionStarter]: At program point L889(lines 884 892) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:03:03,944 INFO L439 ceAbstractionStarter]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2019-10-22 09:03:03,944 INFO L439 ceAbstractionStarter]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L439 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and (and .cse0 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L396-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L439 ceAbstractionStarter]: At program point L363-1(lines 1 991) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0)) (and (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse3 .cse4) .cse2) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4))) [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 376) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L439 ceAbstractionStarter]: At program point L363-3(lines 1 991) the Hoare annotation is: false [2019-10-22 09:03:03,945 INFO L443 ceAbstractionStarter]: For program point L363-4(lines 363 376) no Hoare annotation was computed. [2019-10-22 09:03:03,945 INFO L439 ceAbstractionStarter]: At program point L363-5(lines 1 991) the Hoare annotation is: false [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-6(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-7(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-8(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-9(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-10(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L443 ceAbstractionStarter]: For program point L165-11(lines 165 173) no Hoare annotation was computed. [2019-10-22 09:03:03,946 INFO L439 ceAbstractionStarter]: At program point L266(lines 261 269) the Hoare annotation is: false [2019-10-22 09:03:03,946 INFO L439 ceAbstractionStarter]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2019-10-22 09:03:03,946 INFO L439 ceAbstractionStarter]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2019-10-22 09:03:03,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:03:03 BoogieIcfgContainer [2019-10-22 09:03:03,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:03:03,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:03,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:03,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:03,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57" (3/4) ... [2019-10-22 09:03:03,970 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:03:04,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:03:04,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:03:04,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:03:04,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:03:04,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:03:04,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:03:04,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:03:04,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:03:04,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) || (((((\result == 1 && 1 == tmp) && 1 == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:03:04,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || ((pumpRunning == 0 && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-10-22 09:03:04,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) [2019-10-22 09:03:04,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:03:04,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:03:04,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,035 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-10-22 09:03:04,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:03:04,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:03:04,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (1 <= waterLevel && ((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:03:04,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f812f767-4e2a-4d0c-83ce-fd27342af8ec/bin/uautomizer/witness.graphml [2019-10-22 09:03:04,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:04,128 INFO L168 Benchmark]: Toolchain (without parser) took 8780.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.0 MB). Free memory was 941.7 MB in the beginning and 1.2 GB in the end (delta: -290.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:04,128 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:04,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,129 INFO L168 Benchmark]: Boogie Preprocessor took 58.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,129 INFO L168 Benchmark]: RCFGBuilder took 1114.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,129 INFO L168 Benchmark]: TraceAbstraction took 6843.28 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 985.5 MB in the beginning and 1.3 GB in the end (delta: -267.7 MB). Peak memory consumption was 382.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,130 INFO L168 Benchmark]: Witness Printer took 160.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:04,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 498.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1114.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6843.28 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 985.5 MB in the beginning and 1.3 GB in the end (delta: -267.7 MB). Peak memory consumption was 382.0 MB. Max. memory is 11.5 GB. * Witness Printer took 160.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 916]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (1 <= waterLevel && ((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 2 <= waterLevel) || ((pumpRunning == 0 && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) || (((((\result == 1 && 1 == tmp) && 1 == waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && 1 == tmp) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, HoareTripleCheckerStatistics: 1589 SDtfs, 2428 SDslu, 2197 SDs, 0 SdLazy, 372 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 787 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 163 NumberOfFragments, 671 HoareAnnotationTreeSize, 67 FomulaSimplifications, 308577 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 87951 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 503 ConstructedInterpolants, 0 QuantifiedInterpolants, 42783 SizeOfPredicates, 4 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 128/134 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...