./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:24:00,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:24:00,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:24:00,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:24:00,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:24:00,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:24:00,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:24:00,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:24:00,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:24:00,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:24:00,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:24:00,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:24:00,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:24:00,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:24:00,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:24:00,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:24:00,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:24:00,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:24:00,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:24:00,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:24:00,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:24:00,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:24:00,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:24:00,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:24:00,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:24:00,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:24:00,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:24:00,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:24:00,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:24:00,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:24:00,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:24:00,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:24:00,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:24:00,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:24:00,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:24:00,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:24:00,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:24:00,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:24:00,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:24:00,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:24:00,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:24:00,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:24:00,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:24:00,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:24:00,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:24:00,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:24:00,784 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:24:00,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:24:00,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:24:00,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:24:00,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:24:00,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:24:00,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:24:00,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:24:00,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:24:00,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:24:00,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:24:00,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:24:00,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:24:00,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:24:00,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:24:00,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:24:00,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:24:00,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:24:00,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:24:00,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:24:00,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:24:00,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:24:00,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:24:00,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:24:00,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:24:00,788 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_c5b236f9-b869-4c3c-934a-a7459fa84649/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-12-07 17:24:00,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:24:00,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:24:00,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:24:00,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:24:00,907 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:24:00,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-12-07 17:24:00,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/data/9517f3ac0/deb595cd651d4c23b8409b45c3055c52/FLAG6df72ddd1 [2019-12-07 17:24:01,405 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:24:01,405 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-12-07 17:24:01,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/data/9517f3ac0/deb595cd651d4c23b8409b45c3055c52/FLAG6df72ddd1 [2019-12-07 17:24:01,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/data/9517f3ac0/deb595cd651d4c23b8409b45c3055c52 [2019-12-07 17:24:01,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:24:01,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:24:01,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:24:01,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:24:01,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:24:01,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01, skipping insertion in model container [2019-12-07 17:24:01,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:24:01,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:24:01,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:24:01,699 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:24:01,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:24:01,768 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:24:01,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01 WrapperNode [2019-12-07 17:24:01,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:24:01,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:24:01,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:24:01,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:24:01,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:24:01,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:24:01,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:24:01,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:24:01,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... [2019-12-07 17:24:01,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:24:01,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:24:01,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:24:01,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:24:01,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:24:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:24:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:24:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:24:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:24:02,318 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:24:02,318 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 17:24:02,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:24:02 BoogieIcfgContainer [2019-12-07 17:24:02,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:24:02,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:24:02,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:24:02,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:24:02,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:24:01" (1/3) ... [2019-12-07 17:24:02,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723e833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:24:02, skipping insertion in model container [2019-12-07 17:24:02,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:24:01" (2/3) ... [2019-12-07 17:24:02,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723e833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:24:02, skipping insertion in model container [2019-12-07 17:24:02,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:24:02" (3/3) ... [2019-12-07 17:24:02,324 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-12-07 17:24:02,331 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:24:02,335 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:24:02,343 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:24:02,359 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:24:02,359 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:24:02,360 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:24:02,360 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:24:02,360 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:24:02,360 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:24:02,360 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:24:02,360 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:24:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-12-07 17:24:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 17:24:02,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:02,377 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:02,377 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:02,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:02,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-12-07 17:24:02,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:02,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313234275] [2019-12-07 17:24:02,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:24:02,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313234275] [2019-12-07 17:24:02,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:02,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:24:02,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351586534] [2019-12-07 17:24:02,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:24:02,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:02,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:24:02,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:24:02,550 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-12-07 17:24:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:02,570 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-12-07 17:24:02,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:24:02,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 17:24:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:02,579 INFO L225 Difference]: With dead ends: 208 [2019-12-07 17:24:02,579 INFO L226 Difference]: Without dead ends: 103 [2019-12-07 17:24:02,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:24:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-12-07 17:24:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-12-07 17:24:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 17:24:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-12-07 17:24:02,611 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-12-07 17:24:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:02,612 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-12-07 17:24:02,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:24:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-12-07 17:24:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:24:02,613 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:02,613 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:02,613 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:02,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:02,613 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-12-07 17:24:02,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:02,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151054706] [2019-12-07 17:24:02,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:24:02,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151054706] [2019-12-07 17:24:02,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:02,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:24:02,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473034396] [2019-12-07 17:24:02,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:24:02,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:02,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:24:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:02,677 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-12-07 17:24:02,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:02,686 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-12-07 17:24:02,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:24:02,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 17:24:02,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:02,687 INFO L225 Difference]: With dead ends: 103 [2019-12-07 17:24:02,687 INFO L226 Difference]: Without dead ends: 45 [2019-12-07 17:24:02,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:02,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-12-07 17:24:02,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-12-07 17:24:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 17:24:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-12-07 17:24:02,692 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-12-07 17:24:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:02,692 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-12-07 17:24:02,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:24:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-12-07 17:24:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 17:24:02,693 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:02,693 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:02,693 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:02,694 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-12-07 17:24:02,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:02,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449891999] [2019-12-07 17:24:02,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:24:02,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449891999] [2019-12-07 17:24:02,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:02,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:24:02,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258483003] [2019-12-07 17:24:02,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:24:02,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:02,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:24:02,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:02,739 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-12-07 17:24:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:02,766 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2019-12-07 17:24:02,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:24:02,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 17:24:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:02,767 INFO L225 Difference]: With dead ends: 123 [2019-12-07 17:24:02,767 INFO L226 Difference]: Without dead ends: 84 [2019-12-07 17:24:02,768 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:02,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-12-07 17:24:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-12-07 17:24:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 17:24:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2019-12-07 17:24:02,776 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2019-12-07 17:24:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:02,777 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2019-12-07 17:24:02,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:24:02,777 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2019-12-07 17:24:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 17:24:02,777 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:02,777 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:02,778 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:02,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-12-07 17:24:02,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:02,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334307872] [2019-12-07 17:24:02,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:24:02,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334307872] [2019-12-07 17:24:02,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:02,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:24:02,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953924550] [2019-12-07 17:24:02,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:24:02,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:02,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:24:02,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:24:02,836 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2019-12-07 17:24:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:03,062 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2019-12-07 17:24:03,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 17:24:03,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-12-07 17:24:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:03,067 INFO L225 Difference]: With dead ends: 571 [2019-12-07 17:24:03,067 INFO L226 Difference]: Without dead ends: 497 [2019-12-07 17:24:03,068 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-12-07 17:24:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-12-07 17:24:03,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2019-12-07 17:24:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-12-07 17:24:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2019-12-07 17:24:03,100 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2019-12-07 17:24:03,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:03,100 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2019-12-07 17:24:03,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:24:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2019-12-07 17:24:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 17:24:03,102 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:03,102 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:03,102 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:03,103 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2019-12-07 17:24:03,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:03,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503615176] [2019-12-07 17:24:03,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:24:03,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503615176] [2019-12-07 17:24:03,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:03,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:24:03,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648679965] [2019-12-07 17:24:03,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:24:03,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:03,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:24:03,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:03,147 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2019-12-07 17:24:03,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:03,162 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2019-12-07 17:24:03,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:24:03,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 17:24:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:03,163 INFO L225 Difference]: With dead ends: 332 [2019-12-07 17:24:03,163 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 17:24:03,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:24:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 17:24:03,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-12-07 17:24:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 17:24:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2019-12-07 17:24:03,172 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2019-12-07 17:24:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:03,172 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2019-12-07 17:24:03,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:24:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2019-12-07 17:24:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 17:24:03,174 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:24:03,175 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:24:03,175 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:24:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:24:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2019-12-07 17:24:03,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:24:03,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916421864] [2019-12-07 17:24:03,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:24:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:24:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 17:24:03,222 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916421864] [2019-12-07 17:24:03,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:24:03,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:24:03,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106901386] [2019-12-07 17:24:03,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:24:03,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:24:03,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:24:03,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:24:03,225 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 5 states. [2019-12-07 17:24:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:24:03,278 INFO L93 Difference]: Finished difference Result 256 states and 342 transitions. [2019-12-07 17:24:03,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:24:03,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-12-07 17:24:03,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:24:03,279 INFO L225 Difference]: With dead ends: 256 [2019-12-07 17:24:03,279 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:24:03,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:24:03,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:24:03,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:24:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:24:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:24:03,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-12-07 17:24:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:24:03,281 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:24:03,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:24:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:24:03,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:24:03,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:24:03,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L242 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L242 CegarLoopResult]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L249 CegarLoopResult]: At program point L203-1(lines 203 210) the Hoare annotation is: true [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L864-3(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,466 INFO L246 CegarLoopResult]: For program point L864-5(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-6(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-8(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-9(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-11(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-12(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-14(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-15(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L864-17(lines 864 868) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305-1(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,467 INFO L246 CegarLoopResult]: For program point L239(lines 239 243) no Hoare annotation was computed. [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305-2(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305-3(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305-4(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,467 INFO L242 CegarLoopResult]: At program point L305-5(lines 300 308) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870-1(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870-2(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870-3(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870-4(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L870-5(lines 855 873) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,468 INFO L246 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,468 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,468 INFO L246 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L806(lines 799 809) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L806-1(lines 799 809) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L242 CegarLoopResult]: At program point L806-2(lines 799 809) the Hoare annotation is: false [2019-12-07 17:24:03,468 INFO L249 CegarLoopResult]: At program point L212(lines 193 215) the Hoare annotation is: true [2019-12-07 17:24:03,469 INFO L242 CegarLoopResult]: At program point L179(lines 175 181) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 965) the Hoare annotation is: false [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 965) the Hoare annotation is: false [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L745-1(lines 745 762) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L745-2(lines 745 762) no Hoare annotation was computed. [2019-12-07 17:24:03,469 INFO L246 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L242 CegarLoopResult]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L242 CegarLoopResult]: At program point L946-1(lines 687 693) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L242 CegarLoopResult]: At program point L815(lines 810 818) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,470 INFO L242 CegarLoopResult]: At program point L815-1(lines 810 818) the Hoare annotation is: false [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L242 CegarLoopResult]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L749-1(lines 749 757) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2019-12-07 17:24:03,470 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719-3(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719-4(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L719-5(lines 719 736) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L242 CegarLoopResult]: At program point L918-1(lines 918 924) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,471 INFO L242 CegarLoopResult]: At program point L687(lines 686 705) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L242 CegarLoopResult]: At program point L687-2(lines 686 705) the Hoare annotation is: false [2019-12-07 17:24:03,471 INFO L242 CegarLoopResult]: At program point L687-3(lines 686 705) the Hoare annotation is: false [2019-12-07 17:24:03,471 INFO L242 CegarLoopResult]: At program point L94(lines 1 965) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:24:03,471 INFO L246 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: false [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723-3(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723-4(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L723-5(lines 723 731) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L242 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,472 INFO L242 CegarLoopResult]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2019-12-07 17:24:03,472 INFO L242 CegarLoopResult]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:24:03,472 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L264(lines 259 267) the Hoare annotation is: false [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2019-12-07 17:24:03,473 INFO L246 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-12-07 17:24:03,473 INFO L246 CegarLoopResult]: For program point L132-1(lines 687 693) no Hoare annotation was computed. [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: false [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L694-1(lines 694 700) the Hoare annotation is: false [2019-12-07 17:24:03,473 INFO L242 CegarLoopResult]: At program point L694-2(lines 694 700) the Hoare annotation is: false [2019-12-07 17:24:03,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:24:03 BoogieIcfgContainer [2019-12-07 17:24:03,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:24:03,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:24:03,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:24:03,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:24:03,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:24:02" (3/4) ... [2019-12-07 17:24:03,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:24:03,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 17:24:03,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 17:24:03,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 17:24:03,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:24:03,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:24:03,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:24:03,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:24:03,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 17:24:03,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c5b236f9-b869-4c3c-934a-a7459fa84649/bin/uautomizer/witness.graphml [2019-12-07 17:24:03,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:24:03,572 INFO L168 Benchmark]: Toolchain (without parser) took 2145.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:24:03,573 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:24:03,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:24:03,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:24:03,573 INFO L168 Benchmark]: Boogie Preprocessor took 29.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:24:03,574 INFO L168 Benchmark]: RCFGBuilder took 476.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:24:03,574 INFO L168 Benchmark]: TraceAbstraction took 1167.20 ms. Allocated memory is still 1.1 GB. Free memory was 996.3 MB in the beginning and 1.1 GB in the end (delta: -71.5 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:24:03,574 INFO L168 Benchmark]: Witness Printer took 83.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:24:03,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 476.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1167.20 ms. Allocated memory is still 1.1 GB. Free memory was 996.3 MB in the beginning and 1.1 GB in the end (delta: -71.5 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. * Witness Printer took 83.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 460 SDtfs, 714 SDslu, 682 SDs, 0 SdLazy, 140 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3677 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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...