./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/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 9bd2750697477c749a894a241eb18460dbfa6e62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:36:34,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:36:34,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:36:34,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:36:34,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:36:34,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:36:34,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:36:34,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:36:34,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:36:34,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:36:34,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:36:34,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:36:34,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:36:34,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:36:34,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:36:34,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:36:34,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:36:34,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:36:34,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:36:34,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:36:34,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:36:34,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:36:34,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:36:34,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:36:34,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:36:34,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:36:34,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:36:34,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:36:34,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:36:34,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:36:34,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:36:34,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:36:34,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:36:34,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:36:34,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:36:34,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:36:34,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:36:34,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:36:34,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:36:34,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:36:34,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:36:34,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:36:34,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:36:34,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:36:34,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:36:34,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:36:34,831 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:36:34,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:36:34,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:36:34,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:36:34,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:36:34,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:36:34,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:36:34,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:36:34,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:36:34,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:36:34,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:36:34,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:36:34,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:36:34,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:36:34,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:36:34,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:36:34,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:36:34,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:36:34,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:36:34,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:36:34,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:36:34,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:36:34,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:36:34,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:36:34,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2019-11-20 05:36:34,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:36:35,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:36:35,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:36:35,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:36:35,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:36:35,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-11-20 05:36:35,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/data/065b0cf3e/7f830668fe1847988709767cc2b68be1/FLAGb2682250b [2019-11-20 05:36:35,587 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:36:35,589 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-11-20 05:36:35,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/data/065b0cf3e/7f830668fe1847988709767cc2b68be1/FLAGb2682250b [2019-11-20 05:36:36,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/data/065b0cf3e/7f830668fe1847988709767cc2b68be1 [2019-11-20 05:36:36,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:36:36,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:36:36,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:36:36,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:36:36,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:36:36,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730c989f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36, skipping insertion in model container [2019-11-20 05:36:36,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:36:36,141 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:36:36,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:36:36,543 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:36:36,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:36:36,665 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:36:36,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36 WrapperNode [2019-11-20 05:36:36,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:36:36,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:36:36,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:36:36,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:36:36,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:36:36,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:36:36,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:36:36,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:36:36,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2019-11-20 05:36:36,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:36:36,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:36:36,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:36:36,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:36:36,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:36:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:36:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:36:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:36:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:36:37,920 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:36:37,920 INFO L285 CfgBuilder]: Removed 206 assume(true) statements. [2019-11-20 05:36:37,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:37 BoogieIcfgContainer [2019-11-20 05:36:37,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:36:37,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:36:37,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:36:37,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:36:37,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:36:36" (1/3) ... [2019-11-20 05:36:37,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4311ac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:36:37, skipping insertion in model container [2019-11-20 05:36:37,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (2/3) ... [2019-11-20 05:36:37,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4311ac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:36:37, skipping insertion in model container [2019-11-20 05:36:37,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:37" (3/3) ... [2019-11-20 05:36:37,929 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-11-20 05:36:37,938 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:36:37,951 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 05:36:37,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 05:36:37,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:36:37,986 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:36:37,986 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:36:37,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:36:37,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:36:37,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:36:37,987 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:36:37,987 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:36:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-11-20 05:36:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:36:38,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:38,013 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:38,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:38,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:38,020 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2019-11-20 05:36:38,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:38,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014040736] [2019-11-20 05:36:38,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:38,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014040736] [2019-11-20 05:36:38,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:38,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:36:38,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475678090] [2019-11-20 05:36:38,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:36:38,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:38,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:36:38,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:36:38,257 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-11-20 05:36:38,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:38,293 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-11-20 05:36:38,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:36:38,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 05:36:38,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:38,305 INFO L225 Difference]: With dead ends: 281 [2019-11-20 05:36:38,305 INFO L226 Difference]: Without dead ends: 140 [2019-11-20 05:36:38,309 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:36:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-20 05:36:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-20 05:36:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-20 05:36:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-11-20 05:36:38,355 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-11-20 05:36:38,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:38,356 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-20 05:36:38,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:36:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-11-20 05:36:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:36:38,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:38,358 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:38,358 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:38,358 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2019-11-20 05:36:38,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:38,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935954595] [2019-11-20 05:36:38,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:38,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935954595] [2019-11-20 05:36:38,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:38,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:36:38,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804286526] [2019-11-20 05:36:38,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:36:38,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:38,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:36:38,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,470 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2019-11-20 05:36:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:38,498 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-11-20 05:36:38,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:36:38,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 05:36:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:38,504 INFO L225 Difference]: With dead ends: 140 [2019-11-20 05:36:38,504 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 05:36:38,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 05:36:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 05:36:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 05:36:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-20 05:36:38,522 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-20 05:36:38,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:38,522 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-20 05:36:38,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:36:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-20 05:36:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:36:38,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:38,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:38,524 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:38,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:38,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2019-11-20 05:36:38,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:38,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400637671] [2019-11-20 05:36:38,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:38,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400637671] [2019-11-20 05:36:38,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:38,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:36:38,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255959055] [2019-11-20 05:36:38,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:36:38,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:38,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:36:38,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,613 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-20 05:36:38,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:38,623 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-11-20 05:36:38,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:36:38,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 05:36:38,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:38,625 INFO L225 Difference]: With dead ends: 107 [2019-11-20 05:36:38,625 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 05:36:38,626 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 05:36:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 05:36:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 05:36:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-11-20 05:36:38,633 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-11-20 05:36:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:38,633 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-11-20 05:36:38,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:36:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-11-20 05:36:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:36:38,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:38,635 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:38,635 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:38,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:38,635 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2019-11-20 05:36:38,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:38,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5751025] [2019-11-20 05:36:38,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:38,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5751025] [2019-11-20 05:36:38,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:38,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:36:38,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277943802] [2019-11-20 05:36:38,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:36:38,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:38,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:36:38,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,711 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-11-20 05:36:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:38,777 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-11-20 05:36:38,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:36:38,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 05:36:38,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:38,779 INFO L225 Difference]: With dead ends: 131 [2019-11-20 05:36:38,779 INFO L226 Difference]: Without dead ends: 81 [2019-11-20 05:36:38,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:38,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-20 05:36:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-11-20 05:36:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-20 05:36:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-11-20 05:36:38,795 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-11-20 05:36:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:38,796 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-11-20 05:36:38,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:36:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-11-20 05:36:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:36:38,799 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:38,799 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:38,800 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:38,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:38,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2019-11-20 05:36:38,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:38,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141509265] [2019-11-20 05:36:38,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:38,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141509265] [2019-11-20 05:36:38,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:38,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:36:38,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491864238] [2019-11-20 05:36:38,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:36:38,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:38,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:36:38,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:36:38,949 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-11-20 05:36:39,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:39,243 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-11-20 05:36:39,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:36:39,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 05:36:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:39,246 INFO L225 Difference]: With dead ends: 266 [2019-11-20 05:36:39,246 INFO L226 Difference]: Without dead ends: 194 [2019-11-20 05:36:39,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:36:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-20 05:36:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-11-20 05:36:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-20 05:36:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-11-20 05:36:39,282 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-11-20 05:36:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:39,283 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-11-20 05:36:39,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:36:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-11-20 05:36:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:36:39,290 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:39,291 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:39,291 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:39,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2019-11-20 05:36:39,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:39,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259368654] [2019-11-20 05:36:39,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:39,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259368654] [2019-11-20 05:36:39,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:39,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:36:39,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598168553] [2019-11-20 05:36:39,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:36:39,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:36:39,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:36:39,407 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-11-20 05:36:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:39,511 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-11-20 05:36:39,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:36:39,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-20 05:36:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:39,513 INFO L225 Difference]: With dead ends: 198 [2019-11-20 05:36:39,513 INFO L226 Difference]: Without dead ends: 127 [2019-11-20 05:36:39,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:36:39,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-20 05:36:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-20 05:36:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-20 05:36:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-11-20 05:36:39,538 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-11-20 05:36:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:39,540 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-11-20 05:36:39,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:36:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-11-20 05:36:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:36:39,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:39,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:39,548 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:39,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:39,549 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2019-11-20 05:36:39,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:39,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121239271] [2019-11-20 05:36:39,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:39,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121239271] [2019-11-20 05:36:39,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:39,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:36:39,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370106674] [2019-11-20 05:36:39,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:36:39,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:39,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:36:39,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:36:39,636 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 4 states. [2019-11-20 05:36:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:39,699 INFO L93 Difference]: Finished difference Result 193 states and 260 transitions. [2019-11-20 05:36:39,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:36:39,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-20 05:36:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:39,701 INFO L225 Difference]: With dead ends: 193 [2019-11-20 05:36:39,701 INFO L226 Difference]: Without dead ends: 116 [2019-11-20 05:36:39,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:36:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-20 05:36:39,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2019-11-20 05:36:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-20 05:36:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-11-20 05:36:39,723 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-11-20 05:36:39,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:39,724 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-11-20 05:36:39,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:36:39,725 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-11-20 05:36:39,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:36:39,731 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:39,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:39,732 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:39,733 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2019-11-20 05:36:39,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:39,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807898375] [2019-11-20 05:36:39,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:39,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807898375] [2019-11-20 05:36:39,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:39,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:36:39,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154893744] [2019-11-20 05:36:39,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:36:39,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:39,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:36:39,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:39,796 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2019-11-20 05:36:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:39,843 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2019-11-20 05:36:39,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:36:39,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-20 05:36:39,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:39,845 INFO L225 Difference]: With dead ends: 197 [2019-11-20 05:36:39,845 INFO L226 Difference]: Without dead ends: 116 [2019-11-20 05:36:39,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:36:39,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-20 05:36:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-20 05:36:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-20 05:36:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2019-11-20 05:36:39,865 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2019-11-20 05:36:39,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:39,865 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2019-11-20 05:36:39,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:36:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2019-11-20 05:36:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 05:36:39,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:39,868 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:39,868 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:39,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:39,869 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2019-11-20 05:36:39,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:39,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73660584] [2019-11-20 05:36:39,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:40,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73660584] [2019-11-20 05:36:40,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:36:40,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:36:40,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298564603] [2019-11-20 05:36:40,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:36:40,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:40,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:36:40,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:36:40,022 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2019-11-20 05:36:40,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:40,294 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2019-11-20 05:36:40,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:36:40,295 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-20 05:36:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:40,298 INFO L225 Difference]: With dead ends: 437 [2019-11-20 05:36:40,298 INFO L226 Difference]: Without dead ends: 356 [2019-11-20 05:36:40,299 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 05:36:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-11-20 05:36:40,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2019-11-20 05:36:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-20 05:36:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2019-11-20 05:36:40,323 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2019-11-20 05:36:40,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:40,323 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2019-11-20 05:36:40,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:36:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2019-11-20 05:36:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:36:40,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:36:40,325 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:36:40,326 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:36:40,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:36:40,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2019-11-20 05:36:40,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:36:40,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456212497] [2019-11-20 05:36:40,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:36:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:40,408 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:40,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456212497] [2019-11-20 05:36:40,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526507596] [2019-11-20 05:36:40,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/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 [2019-11-20 05:36:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:36:40,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:36:40,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:36:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:36:40,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:36:40,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 05:36:40,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622017397] [2019-11-20 05:36:40,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:36:40,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:36:40,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:36:40,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:36:40,697 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2019-11-20 05:36:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:36:40,958 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2019-11-20 05:36:40,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:36:40,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-11-20 05:36:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:36:40,959 INFO L225 Difference]: With dead ends: 321 [2019-11-20 05:36:40,959 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:36:40,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 05:36:40,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:36:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:36:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:36:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:36:40,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-20 05:36:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:36:40,961 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:36:40,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:36:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:36:40,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:36:41,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:36:41,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:36:41,795 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-20 05:36:42,040 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2019-11-20 05:36:42,165 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-11-20 05:36:42,432 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2019-11-20 05:36:42,744 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2019-11-20 05:36:42,853 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-11-20 05:36:43,035 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2019-11-20 05:36:43,042 INFO L444 ceAbstractionStarter]: For program point L828(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,042 INFO L444 ceAbstractionStarter]: For program point L828-1(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,042 INFO L444 ceAbstractionStarter]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,042 INFO L444 ceAbstractionStarter]: For program point L828-3(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,042 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L828-4(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L828-5(lines 828 836) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L697(lines 697 707) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L697-4(lines 697 707) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 206) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2019-11-20 05:36:43,043 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-11-20 05:36:43,044 INFO L444 ceAbstractionStarter]: For program point L103-1(lines 103 107) no Hoare annotation was computed. [2019-11-20 05:36:43,044 INFO L444 ceAbstractionStarter]: For program point L202-6(lines 202 206) no Hoare annotation was computed. [2019-11-20 05:36:43,044 INFO L440 ceAbstractionStarter]: At program point L995(lines 980 998) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:36:43,044 INFO L440 ceAbstractionStarter]: At program point L995-1(lines 980 998) the Hoare annotation is: false [2019-11-20 05:36:43,044 INFO L440 ceAbstractionStarter]: At program point L995-2(lines 980 998) the Hoare annotation is: false [2019-11-20 05:36:43,044 INFO L444 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-11-20 05:36:43,045 INFO L444 ceAbstractionStarter]: For program point L698-2(lines 698 704) no Hoare annotation was computed. [2019-11-20 05:36:43,045 INFO L444 ceAbstractionStarter]: For program point L698-4(lines 698 704) no Hoare annotation was computed. [2019-11-20 05:36:43,045 INFO L440 ceAbstractionStarter]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (and .cse0 .cse4 .cse3) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3)))) [2019-11-20 05:36:43,045 INFO L440 ceAbstractionStarter]: At program point L799-1(lines 799 805) the Hoare annotation is: false [2019-11-20 05:36:43,045 INFO L440 ceAbstractionStarter]: At program point L799-2(lines 799 805) the Hoare annotation is: false [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse1 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3)))) [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L239(lines 234 242) the Hoare annotation is: false [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L239-1(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2019-11-20 05:36:43,046 INFO L440 ceAbstractionStarter]: At program point L239-3(lines 234 242) the Hoare annotation is: false [2019-11-20 05:36:43,047 INFO L440 ceAbstractionStarter]: At program point L239-4(lines 234 242) the Hoare annotation is: false [2019-11-20 05:36:43,047 INFO L440 ceAbstractionStarter]: At program point L74(lines 1 998) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 05:36:43,047 INFO L440 ceAbstractionStarter]: At program point L239-5(lines 234 242) the Hoare annotation is: false [2019-11-20 05:36:43,047 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-11-20 05:36:43,047 INFO L440 ceAbstractionStarter]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1)))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (and .cse0 .cse4 .cse3) .cse1) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse2)))) [2019-11-20 05:36:43,048 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,052 INFO L444 ceAbstractionStarter]: For program point L176(lines 176 183) no Hoare annotation was computed. [2019-11-20 05:36:43,052 INFO L447 ceAbstractionStarter]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2019-11-20 05:36:43,053 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,053 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,053 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,053 INFO L440 ceAbstractionStarter]: At program point L771(lines 724 772) the Hoare annotation is: false [2019-11-20 05:36:43,053 INFO L440 ceAbstractionStarter]: At program point L672(lines 667 674) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 05:36:43,053 INFO L444 ceAbstractionStarter]: For program point L970(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-3(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-5(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-6(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-8(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-9(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,054 INFO L444 ceAbstractionStarter]: For program point L970-11(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L970-12(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L970-14(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L970-15(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L970-17(lines 970 974) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,055 INFO L444 ceAbstractionStarter]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L444 ceAbstractionStarter]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L444 ceAbstractionStarter]: For program point L279-3(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L444 ceAbstractionStarter]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L444 ceAbstractionStarter]: For program point L279-5(lines 279 285) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-11-20 05:36:43,056 INFO L440 ceAbstractionStarter]: At program point L82(lines 77 85) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 05:36:43,057 INFO L440 ceAbstractionStarter]: At program point L150(lines 146 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 05:36:43,057 INFO L440 ceAbstractionStarter]: At program point L976(lines 961 979) the Hoare annotation is: false [2019-11-20 05:36:43,057 INFO L440 ceAbstractionStarter]: At program point L976-1(lines 961 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1 .cse2) (<= ~waterLevel~0 1)))) [2019-11-20 05:36:43,057 INFO L440 ceAbstractionStarter]: At program point L976-2(lines 961 979) the Hoare annotation is: false [2019-11-20 05:36:43,057 INFO L440 ceAbstractionStarter]: At program point L976-3(lines 961 979) the Hoare annotation is: false [2019-11-20 05:36:43,058 INFO L440 ceAbstractionStarter]: At program point L976-4(lines 961 979) the Hoare annotation is: false [2019-11-20 05:36:43,058 INFO L440 ceAbstractionStarter]: At program point L976-5(lines 961 979) the Hoare annotation is: false [2019-11-20 05:36:43,058 INFO L444 ceAbstractionStarter]: For program point L745(lines 745 751) no Hoare annotation was computed. [2019-11-20 05:36:43,058 INFO L440 ceAbstractionStarter]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1)))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (and .cse0 .cse4 .cse3) .cse1) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse2)))) [2019-11-20 05:36:43,058 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:36:43,058 INFO L440 ceAbstractionStarter]: At program point L284(lines 275 288) the Hoare annotation is: false [2019-11-20 05:36:43,059 INFO L440 ceAbstractionStarter]: At program point L284-1(lines 275 288) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2))) [2019-11-20 05:36:43,059 INFO L440 ceAbstractionStarter]: At program point L284-2(lines 275 288) the Hoare annotation is: false [2019-11-20 05:36:43,059 INFO L440 ceAbstractionStarter]: At program point L284-3(lines 275 288) the Hoare annotation is: false [2019-11-20 05:36:43,059 INFO L447 ceAbstractionStarter]: At program point L185(lines 166 188) the Hoare annotation is: true [2019-11-20 05:36:43,059 INFO L440 ceAbstractionStarter]: At program point L284-4(lines 275 288) the Hoare annotation is: false [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L284-5(lines 275 288) the Hoare annotation is: false [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L912(lines 905 915) the Hoare annotation is: false [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L912-1(lines 905 915) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L912-2(lines 905 915) the Hoare annotation is: false [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L912-3(lines 905 915) the Hoare annotation is: false [2019-11-20 05:36:43,060 INFO L440 ceAbstractionStarter]: At program point L912-4(lines 905 915) the Hoare annotation is: false [2019-11-20 05:36:43,061 INFO L440 ceAbstractionStarter]: At program point L912-5(lines 905 915) the Hoare annotation is: false [2019-11-20 05:36:43,061 INFO L440 ceAbstractionStarter]: At program point L682(lines 792 798) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse1))) [2019-11-20 05:36:43,061 INFO L440 ceAbstractionStarter]: At program point L682-1(lines 792 798) the Hoare annotation is: false [2019-11-20 05:36:43,066 INFO L440 ceAbstractionStarter]: At program point L682-2(lines 792 798) the Hoare annotation is: false [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point L850(lines 850 867) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point L850-1(lines 850 867) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point L850-2(lines 850 867) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:36:43,067 INFO L444 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 862) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L854-1(lines 854 862) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L854-2(lines 854 862) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L755(lines 755 766) no Hoare annotation was computed. [2019-11-20 05:36:43,068 INFO L444 ceAbstractionStarter]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,069 INFO L444 ceAbstractionStarter]: For program point L887-6(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,069 INFO L444 ceAbstractionStarter]: For program point L887-8(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,069 INFO L444 ceAbstractionStarter]: For program point L887-10(lines 887 893) no Hoare annotation was computed. [2019-11-20 05:36:43,069 INFO L440 ceAbstractionStarter]: At program point L921(lines 916 924) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (or .cse5 (<= ~waterLevel~0 1))) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse2 .cse1) (and (and .cse0 .cse5 .cse1) .cse3 .cse4)))) [2019-11-20 05:36:43,075 INFO L440 ceAbstractionStarter]: At program point L921-1(lines 916 924) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-11-20 05:36:43,076 INFO L440 ceAbstractionStarter]: At program point L921-2(lines 916 924) the Hoare annotation is: false [2019-11-20 05:36:43,076 INFO L440 ceAbstractionStarter]: At program point L921-3(lines 916 924) the Hoare annotation is: false [2019-11-20 05:36:43,076 INFO L440 ceAbstractionStarter]: At program point L921-4(lines 916 924) the Hoare annotation is: false [2019-11-20 05:36:43,077 INFO L440 ceAbstractionStarter]: At program point L921-5(lines 916 924) the Hoare annotation is: false [2019-11-20 05:36:43,077 INFO L440 ceAbstractionStarter]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:36:43,077 INFO L440 ceAbstractionStarter]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2019-11-20 05:36:43,077 INFO L440 ceAbstractionStarter]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2019-11-20 05:36:43,077 INFO L444 ceAbstractionStarter]: For program point L989(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L989-3(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L824(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L989-5(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L824-1(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L989-6(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,078 INFO L444 ceAbstractionStarter]: For program point L824-2(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L444 ceAbstractionStarter]: For program point L824-3(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L444 ceAbstractionStarter]: For program point L989-8(lines 989 993) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L444 ceAbstractionStarter]: For program point L824-4(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L444 ceAbstractionStarter]: For program point L824-5(lines 824 841) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:36:43,079 INFO L440 ceAbstractionStarter]: At program point L792(lines 788 810) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-11-20 05:36:43,080 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 05:36:43,080 INFO L440 ceAbstractionStarter]: At program point L792-1(lines 788 810) the Hoare annotation is: false [2019-11-20 05:36:43,080 INFO L444 ceAbstractionStarter]: For program point L726(lines 725 770) no Hoare annotation was computed. [2019-11-20 05:36:43,080 INFO L440 ceAbstractionStarter]: At program point L792-2(lines 788 810) the Hoare annotation is: false [2019-11-20 05:36:43,080 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-11-20 05:36:43,081 INFO L440 ceAbstractionStarter]: At program point L693-1(lines 1 998) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1)))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse2)))) [2019-11-20 05:36:43,081 INFO L444 ceAbstractionStarter]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2019-11-20 05:36:43,081 INFO L440 ceAbstractionStarter]: At program point L693-3(lines 1 998) the Hoare annotation is: false [2019-11-20 05:36:43,081 INFO L444 ceAbstractionStarter]: For program point L693-4(lines 693 710) no Hoare annotation was computed. [2019-11-20 05:36:43,081 INFO L440 ceAbstractionStarter]: At program point L693-5(lines 1 998) the Hoare annotation is: false [2019-11-20 05:36:43,081 INFO L440 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-11-20 05:36:43,082 INFO L444 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-11-20 05:36:43,082 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-20 05:36:43,082 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-20 05:36:43,082 INFO L444 ceAbstractionStarter]: For program point L761-2(lines 755 766) no Hoare annotation was computed. [2019-11-20 05:36:43,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:36:43 BoogieIcfgContainer [2019-11-20 05:36:43,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:36:43,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:36:43,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:36:43,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:36:43,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:37" (3/4) ... [2019-11-20 05:36:43,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:36:43,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 05:36:43,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 05:36:43,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 05:36:43,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:36:43,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:36:43,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:36:43,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 05:36:43,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 05:36:43,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) [2019-11-20 05:36:43,210 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-20 05:36:43,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 05:36:43,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 05:36:43,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 05:36:43,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 05:36:43,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-20 05:36:43,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && pumpRunning == 0) && waterLevel <= 1) && 0 == splverifierCounter) [2019-11-20 05:36:43,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-20 05:36:43,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-20 05:36:43,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) [2019-11-20 05:36:43,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_caf865b3-855a-46d4-ac7e-917bf4590d5b/bin/uautomizer/witness.graphml [2019-11-20 05:36:43,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:36:43,336 INFO L168 Benchmark]: Toolchain (without parser) took 7250.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 950.1 MB in the beginning and 843.5 MB in the end (delta: 106.6 MB). Peak memory consumption was 338.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,337 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:36:43,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:36:43,338 INFO L168 Benchmark]: Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,338 INFO L168 Benchmark]: RCFGBuilder took 1059.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,339 INFO L168 Benchmark]: TraceAbstraction took 5200.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 1.0 GB in the beginning and 862.5 MB in the end (delta: 175.0 MB). Peak memory consumption was 262.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,339 INFO L168 Benchmark]: Witness Printer took 211.04 ms. Allocated memory is still 1.3 GB. Free memory was 862.5 MB in the beginning and 843.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:36:43,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1059.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5200.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 1.0 GB in the beginning and 862.5 MB in the end (delta: 175.0 MB). Peak memory consumption was 262.6 MB. Max. memory is 11.5 GB. * Witness Printer took 211.04 ms. Allocated memory is still 1.3 GB. Free memory was 862.5 MB in the beginning and 843.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && pumpRunning == 0) && waterLevel <= 1) && 0 == splverifierCounter) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && (2 == waterLevel || waterLevel <= 1)) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1128 SDtfs, 1064 SDslu, 1525 SDs, 0 SdLazy, 249 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 384 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 134 NumberOfFragments, 695 HoareAnnotationTreeSize, 61 FomulaSimplifications, 21445 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 5768 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31775 SizeOfPredicates, 4 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...