./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.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_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/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 420052417c34af57247f22c0bc8935a6e484860c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:11:49,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:11:49,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:11:49,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:11:49,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:11:49,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:11:49,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:11:49,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:11:49,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:11:49,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:11:49,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:11:49,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:11:49,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:11:49,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:11:49,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:11:49,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:11:49,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:11:49,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:11:49,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:11:49,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:11:49,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:11:49,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:11:49,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:11:49,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:11:49,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:11:49,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:11:49,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:11:49,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:11:49,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:11:49,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:11:49,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:11:49,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:11:49,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:11:49,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:11:49,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:11:49,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:11:49,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:11:49,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:11:49,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:11:49,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:11:49,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:11:49,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:11:49,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:11:49,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:11:49,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:11:49,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:11:49,844 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:11:49,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:11:49,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:11:49,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:11:49,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:11:49,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:11:49,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:11:49,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:11:49,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:11:49,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:11:49,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:11:49,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:11:49,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:11:49,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:11:49,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:11:49,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:11:49,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:11:49,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:11:49,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:11:49,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:11:49,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:11:49,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:11:49,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:11:49,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:11:49,853 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_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/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 -> 420052417c34af57247f22c0bc8935a6e484860c [2019-11-20 03:11:50,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:11:50,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:11:50,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:11:50,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:11:50,038 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:11:50,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-11-20 03:11:50,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/data/6ab84a804/f9c45edad19a4d93aa74df3e074b2f96/FLAG164e40676 [2019-11-20 03:11:50,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:11:50,572 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-11-20 03:11:50,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/data/6ab84a804/f9c45edad19a4d93aa74df3e074b2f96/FLAG164e40676 [2019-11-20 03:11:50,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/data/6ab84a804/f9c45edad19a4d93aa74df3e074b2f96 [2019-11-20 03:11:50,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:11:50,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:11:50,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:11:50,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:11:50,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:11:50,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:50" (1/1) ... [2019-11-20 03:11:50,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d266d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:50, skipping insertion in model container [2019-11-20 03:11:50,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:50" (1/1) ... [2019-11-20 03:11:50,912 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:11:50,961 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:11:51,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:11:51,299 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:11:51,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:11:51,415 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:11:51,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51 WrapperNode [2019-11-20 03:11:51,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:11:51,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:11:51,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:11:51,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:11:51,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:11:51,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:11:51,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:11:51,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:11:51,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... [2019-11-20 03:11:51,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:11:51,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:11:51,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:11:51,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:11:51,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/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 03:11:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:11:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 03:11:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:11:52,396 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:11:52,396 INFO L285 CfgBuilder]: Removed 176 assume(true) statements. [2019-11-20 03:11:52,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:52 BoogieIcfgContainer [2019-11-20 03:11:52,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:11:52,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:11:52,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:11:52,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:11:52,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:11:50" (1/3) ... [2019-11-20 03:11:52,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3a2632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:11:52, skipping insertion in model container [2019-11-20 03:11:52,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:51" (2/3) ... [2019-11-20 03:11:52,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3a2632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:11:52, skipping insertion in model container [2019-11-20 03:11:52,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:52" (3/3) ... [2019-11-20 03:11:52,405 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-11-20 03:11:52,417 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:11:52,423 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 03:11:52,436 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 03:11:52,458 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:11:52,459 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:11:52,459 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:11:52,460 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:11:52,460 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:11:52,460 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:11:52,460 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:11:52,460 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:11:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-11-20 03:11:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 03:11:52,488 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:52,489 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 03:11:52,489 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:52,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:52,495 INFO L82 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2019-11-20 03:11:52,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:52,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60474174] [2019-11-20 03:11:52,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:52,797 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 03:11:52,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60474174] [2019-11-20 03:11:52,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:52,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:11:52,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778223208] [2019-11-20 03:11:52,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:11:52,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:52,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:11:52,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:11:52,814 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2019-11-20 03:11:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:52,843 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2019-11-20 03:11:52,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:11:52,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 03:11:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:52,856 INFO L225 Difference]: With dead ends: 237 [2019-11-20 03:11:52,856 INFO L226 Difference]: Without dead ends: 118 [2019-11-20 03:11:52,860 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 03:11:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-20 03:11:52,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-11-20 03:11:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-20 03:11:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2019-11-20 03:11:52,907 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2019-11-20 03:11:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:52,907 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2019-11-20 03:11:52,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:11:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2019-11-20 03:11:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 03:11:52,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:52,909 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 03:11:52,909 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:52,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:52,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2019-11-20 03:11:52,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:52,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408564382] [2019-11-20 03:11:52,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:53,007 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 03:11:53,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408564382] [2019-11-20 03:11:53,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:53,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:11:53,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744885909] [2019-11-20 03:11:53,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 03:11:53,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:53,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:11:53,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:11:53,011 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2019-11-20 03:11:53,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:53,035 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-11-20 03:11:53,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:11:53,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 03:11:53,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:53,039 INFO L225 Difference]: With dead ends: 118 [2019-11-20 03:11:53,039 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 03:11:53,041 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 03:11:53,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 03:11:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-20 03:11:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-20 03:11:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-20 03:11:53,061 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-11-20 03:11:53,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:53,062 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-20 03:11:53,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 03:11:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-20 03:11:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 03:11:53,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:53,064 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 03:11:53,064 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2019-11-20 03:11:53,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:53,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140869798] [2019-11-20 03:11:53,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:53,156 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 03:11:53,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140869798] [2019-11-20 03:11:53,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:53,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:11:53,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940634952] [2019-11-20 03:11:53,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 03:11:53,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:53,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:11:53,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:11:53,158 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-11-20 03:11:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:53,198 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2019-11-20 03:11:53,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:11:53,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 03:11:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:53,201 INFO L225 Difference]: With dead ends: 139 [2019-11-20 03:11:53,201 INFO L226 Difference]: Without dead ends: 95 [2019-11-20 03:11:53,202 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 03:11:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-20 03:11:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-11-20 03:11:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-20 03:11:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2019-11-20 03:11:53,212 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2019-11-20 03:11:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:53,213 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2019-11-20 03:11:53,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 03:11:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2019-11-20 03:11:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 03:11:53,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:53,215 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 03:11:53,215 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:53,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:53,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2019-11-20 03:11:53,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:53,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430007785] [2019-11-20 03:11:53,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:53,325 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 03:11:53,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430007785] [2019-11-20 03:11:53,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:53,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:11:53,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030698126] [2019-11-20 03:11:53,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 03:11:53,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:53,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:11:53,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:11:53,327 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2019-11-20 03:11:53,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:53,372 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2019-11-20 03:11:53,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:11:53,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 03:11:53,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:53,374 INFO L225 Difference]: With dead ends: 222 [2019-11-20 03:11:53,375 INFO L226 Difference]: Without dead ends: 138 [2019-11-20 03:11:53,375 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 03:11:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-20 03:11:53,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-11-20 03:11:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-20 03:11:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-11-20 03:11:53,389 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2019-11-20 03:11:53,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:53,389 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-11-20 03:11:53,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 03:11:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-11-20 03:11:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 03:11:53,391 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:53,391 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] [2019-11-20 03:11:53,391 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:53,392 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2019-11-20 03:11:53,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:53,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081306089] [2019-11-20 03:11:53,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:53,506 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 03:11:53,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081306089] [2019-11-20 03:11:53,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:53,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:11:53,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779791188] [2019-11-20 03:11:53,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 03:11:53,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:53,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:11:53,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:11:53,511 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2019-11-20 03:11:53,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:53,782 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2019-11-20 03:11:53,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 03:11:53,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-20 03:11:53,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:53,787 INFO L225 Difference]: With dead ends: 475 [2019-11-20 03:11:53,787 INFO L226 Difference]: Without dead ends: 346 [2019-11-20 03:11:53,789 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 03:11:53,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-20 03:11:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2019-11-20 03:11:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-20 03:11:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2019-11-20 03:11:53,824 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2019-11-20 03:11:53,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:53,825 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2019-11-20 03:11:53,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 03:11:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2019-11-20 03:11:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 03:11:53,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:53,829 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 03:11:53,829 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2019-11-20 03:11:53,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:53,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998119028] [2019-11-20 03:11:53,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:53,907 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 03:11:53,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998119028] [2019-11-20 03:11:53,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:53,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:11:53,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141378555] [2019-11-20 03:11:53,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 03:11:53,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:53,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:11:53,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:11:53,910 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2019-11-20 03:11:54,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:54,006 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2019-11-20 03:11:54,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:11:54,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 03:11:54,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:54,009 INFO L225 Difference]: With dead ends: 363 [2019-11-20 03:11:54,009 INFO L226 Difference]: Without dead ends: 236 [2019-11-20 03:11:54,010 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 03:11:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-20 03:11:54,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2019-11-20 03:11:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-20 03:11:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-11-20 03:11:54,028 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2019-11-20 03:11:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:54,028 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-11-20 03:11:54,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 03:11:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-11-20 03:11:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 03:11:54,030 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:54,031 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 03:11:54,031 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:54,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2019-11-20 03:11:54,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:54,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275379613] [2019-11-20 03:11:54,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:54,094 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 03:11:54,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275379613] [2019-11-20 03:11:54,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:54,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:11:54,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864060699] [2019-11-20 03:11:54,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 03:11:54,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:54,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:11:54,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:11:54,097 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 4 states. [2019-11-20 03:11:54,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:54,156 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2019-11-20 03:11:54,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:11:54,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-20 03:11:54,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:54,158 INFO L225 Difference]: With dead ends: 351 [2019-11-20 03:11:54,158 INFO L226 Difference]: Without dead ends: 212 [2019-11-20 03:11:54,159 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 03:11:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-20 03:11:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2019-11-20 03:11:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-20 03:11:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2019-11-20 03:11:54,174 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2019-11-20 03:11:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:54,176 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2019-11-20 03:11:54,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 03:11:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2019-11-20 03:11:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 03:11:54,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:54,178 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 03:11:54,178 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:54,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2019-11-20 03:11:54,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:54,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724281429] [2019-11-20 03:11:54,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:54,233 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 03:11:54,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724281429] [2019-11-20 03:11:54,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:54,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:11:54,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236565450] [2019-11-20 03:11:54,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 03:11:54,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:54,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:11:54,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:11:54,235 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2019-11-20 03:11:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:54,267 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2019-11-20 03:11:54,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:11:54,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 03:11:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:54,270 INFO L225 Difference]: With dead ends: 359 [2019-11-20 03:11:54,270 INFO L226 Difference]: Without dead ends: 212 [2019-11-20 03:11:54,270 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 03:11:54,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-20 03:11:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-11-20 03:11:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-20 03:11:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2019-11-20 03:11:54,287 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2019-11-20 03:11:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:54,288 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2019-11-20 03:11:54,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 03:11:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2019-11-20 03:11:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 03:11:54,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:54,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:11:54,293 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:54,294 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2019-11-20 03:11:54,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:54,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964898431] [2019-11-20 03:11:54,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:54,440 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 03:11:54,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964898431] [2019-11-20 03:11:54,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:54,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 03:11:54,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307922727] [2019-11-20 03:11:54,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 03:11:54,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:54,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:11:54,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:11:54,442 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 6 states. [2019-11-20 03:11:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:54,788 INFO L93 Difference]: Finished difference Result 821 states and 1109 transitions. [2019-11-20 03:11:54,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 03:11:54,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-20 03:11:54,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:54,795 INFO L225 Difference]: With dead ends: 821 [2019-11-20 03:11:54,795 INFO L226 Difference]: Without dead ends: 674 [2019-11-20 03:11:54,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:11:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-11-20 03:11:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 305. [2019-11-20 03:11:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-20 03:11:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 398 transitions. [2019-11-20 03:11:54,824 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 398 transitions. Word has length 35 [2019-11-20 03:11:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:54,824 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 398 transitions. [2019-11-20 03:11:54,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 03:11:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2019-11-20 03:11:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 03:11:54,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:54,827 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-20 03:11:54,827 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:54,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:54,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2019-11-20 03:11:54,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:54,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423633669] [2019-11-20 03:11:54,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 03:11:54,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423633669] [2019-11-20 03:11:54,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:11:54,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:11:54,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501163325] [2019-11-20 03:11:54,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 03:11:54,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:54,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:11:54,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:11:54,871 INFO L87 Difference]: Start difference. First operand 305 states and 398 transitions. Second operand 3 states. [2019-11-20 03:11:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:54,926 INFO L93 Difference]: Finished difference Result 523 states and 682 transitions. [2019-11-20 03:11:54,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:11:54,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-20 03:11:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:54,928 INFO L225 Difference]: With dead ends: 523 [2019-11-20 03:11:54,929 INFO L226 Difference]: Without dead ends: 225 [2019-11-20 03:11:54,929 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 03:11:54,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-11-20 03:11:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2019-11-20 03:11:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-11-20 03:11:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 282 transitions. [2019-11-20 03:11:54,952 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 282 transitions. Word has length 55 [2019-11-20 03:11:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:54,952 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 282 transitions. [2019-11-20 03:11:54,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 03:11:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 282 transitions. [2019-11-20 03:11:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 03:11:54,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:11:54,953 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] [2019-11-20 03:11:54,954 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:11:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2019-11-20 03:11:54,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:11:54,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641963338] [2019-11-20 03:11:54,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:11:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:55,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641963338] [2019-11-20 03:11:55,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909294917] [2019-11-20 03:11:55,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/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 03:11:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:55,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 03:11:55,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:11:55,263 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 03:11:55,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:11:55,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-20 03:11:55,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723355331] [2019-11-20 03:11:55,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 03:11:55,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:11:55,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 03:11:55,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:11:55,265 INFO L87 Difference]: Start difference. First operand 219 states and 282 transitions. Second operand 9 states. [2019-11-20 03:11:55,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:11:55,519 INFO L93 Difference]: Finished difference Result 439 states and 577 transitions. [2019-11-20 03:11:55,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 03:11:55,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-11-20 03:11:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:11:55,520 INFO L225 Difference]: With dead ends: 439 [2019-11-20 03:11:55,520 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:11:55,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-20 03:11:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:11:55,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:11:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:11:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:11:55,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-20 03:11:55,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:11:55,522 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:11:55,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 03:11:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:11:55,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:11:55,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:11:55,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 03:11:56,548 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2019-11-20 03:11:56,775 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2019-11-20 03:11:57,025 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 10 [2019-11-20 03:11:57,264 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-11-20 03:11:57,638 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-20 03:11:57,983 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-11-20 03:11:58,263 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-11-20 03:11:58,460 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-11-20 03:11:58,780 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-11-20 03:11:59,007 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-11-20 03:11:59,028 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point L729-2(lines 729 735) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point L729-4(lines 729 735) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L440 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and (and .cse2 .cse3) .cse0) (= 0 ~systemActive~0)) (and .cse4 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3)) (and (<= 1 ~switchedOnBeforeTS~0) .cse4 (and .cse1 .cse0 .cse3) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-11-20 03:11:59,029 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-11-20 03:11:59,029 INFO L440 ceAbstractionStarter]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2019-11-20 03:11:59,029 INFO L444 ceAbstractionStarter]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2019-11-20 03:11:59,030 INFO L444 ceAbstractionStarter]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2019-11-20 03:11:59,030 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-11-20 03:11:59,030 INFO L440 ceAbstractionStarter]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 03:11:59,030 INFO L444 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-11-20 03:11:59,030 INFO L447 ceAbstractionStarter]: At program point L832-1(lines 832 839) the Hoare annotation is: true [2019-11-20 03:11:59,030 INFO L444 ceAbstractionStarter]: For program point L271(lines 270 319) no Hoare annotation was computed. [2019-11-20 03:11:59,030 INFO L440 ceAbstractionStarter]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and .cse2 .cse3) .cse0 (= 0 ~systemActive~0)) (and .cse1 .cse4 (<= 2 ~waterLevel~0) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-20 03:11:59,030 INFO L440 ceAbstractionStarter]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2019-11-20 03:11:59,030 INFO L440 ceAbstractionStarter]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2019-11-20 03:11:59,031 INFO L444 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-11-20 03:11:59,031 INFO L440 ceAbstractionStarter]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 03:11:59,031 INFO L440 ceAbstractionStarter]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2019-11-20 03:11:59,031 INFO L440 ceAbstractionStarter]: At program point L933-2(lines 928 936) the Hoare annotation is: false [2019-11-20 03:11:59,031 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse2 .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse4) .cse6) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse1 .cse0 .cse4) .cse6))) [2019-11-20 03:11:59,031 INFO L440 ceAbstractionStarter]: At program point L174-1(lines 169 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L703(lines 698 705) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 03:11:59,032 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,032 INFO L444 ceAbstractionStarter]: For program point L308(lines 308 314) no Hoare annotation was computed. [2019-11-20 03:11:59,032 INFO L440 ceAbstractionStarter]: At program point L308-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2) (and (and (and .cse4 .cse3) .cse2) (= 0 ~systemActive~0)))) [2019-11-20 03:11:59,033 INFO L440 ceAbstractionStarter]: At program point L805(lines 801 807) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L447 ceAbstractionStarter]: At program point L841(lines 822 844) the Hoare annotation is: true [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2019-11-20 03:11:59,033 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L280-1(lines 280 286) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (and .cse2 (and .cse4 .cse3)) (= 0 ~systemActive~0)) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2))) [2019-11-20 03:11:59,034 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L877(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L713(lines 63 69) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse2 .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L713-1(lines 63 69) the Hoare annotation is: false [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L713-2(lines 63 69) the Hoare annotation is: false [2019-11-20 03:11:59,034 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 03:11:59,034 INFO L440 ceAbstractionStarter]: At program point L978(lines 969 982) the Hoare annotation is: false [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L978-3(lines 969 982) the Hoare annotation is: false [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2019-11-20 03:11:59,035 INFO L444 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-11-20 03:11:59,035 INFO L444 ceAbstractionStarter]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-11-20 03:11:59,035 INFO L444 ceAbstractionStarter]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-11-20 03:11:59,035 INFO L440 ceAbstractionStarter]: At program point L320(lines 269 321) the Hoare annotation is: false [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L850-2(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,036 INFO L444 ceAbstractionStarter]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L290(lines 290 296) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L440 ceAbstractionStarter]: At program point L290-1(lines 290 296) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (and .cse2 (and .cse4 .cse3)) (= 0 ~systemActive~0)) (and .cse1 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)) (and (and .cse0 .cse4 .cse3) .cse2))) [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-11-20 03:11:59,037 INFO L444 ceAbstractionStarter]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L440 ceAbstractionStarter]: At program point L885(lines 880 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 924) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L444 ceAbstractionStarter]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-11-20 03:11:59,038 INFO L440 ceAbstractionStarter]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse3) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and (and .cse2 .cse3) .cse0) (= 0 ~systemActive~0)))) [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-11-20 03:11:59,039 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 741) no Hoare annotation was computed. [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L724-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (and .cse3 (and .cse1 .cse2)) (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)))) [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L757-2(lines 757 771) the Hoare annotation is: false [2019-11-20 03:11:59,039 INFO L444 ceAbstractionStarter]: For program point L724-2(lines 724 741) no Hoare annotation was computed. [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L724-3(lines 1 982) the Hoare annotation is: false [2019-11-20 03:11:59,039 INFO L444 ceAbstractionStarter]: For program point L724-4(lines 724 741) no Hoare annotation was computed. [2019-11-20 03:11:59,039 INFO L440 ceAbstractionStarter]: At program point L724-5(lines 1 982) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3))) [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L440 ceAbstractionStarter]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-11-20 03:11:59,040 INFO L444 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-11-20 03:11:59,040 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 03:11:59,040 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L440 ceAbstractionStarter]: At program point L165(lines 158 168) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 03:11:59,041 INFO L440 ceAbstractionStarter]: At program point L165-1(lines 158 168) the Hoare annotation is: false [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L440 ceAbstractionStarter]: At program point L165-2(lines 158 168) the Hoare annotation is: false [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-11-20 03:11:59,041 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-20 03:11:59,042 INFO L444 ceAbstractionStarter]: For program point L728(lines 728 738) no Hoare annotation was computed. [2019-11-20 03:11:59,042 INFO L444 ceAbstractionStarter]: For program point L761-1(lines 761 765) no Hoare annotation was computed. [2019-11-20 03:11:59,042 INFO L444 ceAbstractionStarter]: For program point L728-2(lines 728 738) no Hoare annotation was computed. [2019-11-20 03:11:59,042 INFO L444 ceAbstractionStarter]: For program point L728-4(lines 728 738) no Hoare annotation was computed. [2019-11-20 03:11:59,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:11:59 BoogieIcfgContainer [2019-11-20 03:11:59,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:11:59,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:11:59,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:11:59,068 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:11:59,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:52" (3/4) ... [2019-11-20 03:11:59,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:11:59,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 03:11:59,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 03:11:59,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 03:11:59,092 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 03:11:59,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 03:11:59,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:11:59,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-11-20 03:11:59,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 03:11:59,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 03:11:59,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-11-20 03:11:59,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-11-20 03:11:59,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-11-20 03:11:59,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-11-20 03:11:59,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) [2019-11-20 03:11:59,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 03:11:59,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-20 03:11:59,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-20 03:11:59,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 03:11:59,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 03:11:59,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 03:11:59,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1d3753c1-bd49-4f8e-a5fe-a2df9d1d7a1f/bin/uautomizer/witness.graphml [2019-11-20 03:11:59,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:11:59,188 INFO L168 Benchmark]: Toolchain (without parser) took 8289.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 213.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,188 INFO L168 Benchmark]: CDTParser took 0.26 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 03:11:59,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.51 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 03:11:59,189 INFO L168 Benchmark]: Boogie Preprocessor took 59.68 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,189 INFO L168 Benchmark]: RCFGBuilder took 852.71 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: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,190 INFO L168 Benchmark]: TraceAbstraction took 6669.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.5 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,190 INFO L168 Benchmark]: Witness Printer took 118.48 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:59,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 516.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.51 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 59.68 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 852.71 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: 67.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6669.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.5 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. * Witness Printer took 118.48 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= \result) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 1166 SDtfs, 1154 SDslu, 1504 SDs, 0 SdLazy, 264 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 741 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 177 NumberOfFragments, 834 HoareAnnotationTreeSize, 51 FomulaSimplifications, 58624 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 14297 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 31417 SizeOfPredicates, 4 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...