./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:45,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:45,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:45,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:45,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:45,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:45,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:45,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:45,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:45,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:45,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:45,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:45,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:45,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:45,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:45,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:45,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:45,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:45,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:45,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:45,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:45,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:45,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:45,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:45,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:45,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:45,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:45,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:45,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:45,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:45,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:45,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:45,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:45,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:45,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:45,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:45,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:45,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:45,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:45,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:45,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:45,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:45,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:45,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:45,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:45,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:45,861 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:45,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:45,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:45,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:45,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:45,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:45,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:45,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:45,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:45,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:45,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:45,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:45,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:45,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:45,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:45,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:45,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:45,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:45,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:45,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:45,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:45,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:45,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:45,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:45,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-10-22 08:56:45,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:45,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:45,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:45,926 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:45,926 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:45,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-10-22 08:56:45,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/data/74eea9a20/d1504772b3bc4d55b37ba3528c6ccfce/FLAG2e79ecdd2 [2019-10-22 08:56:46,433 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:46,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-10-22 08:56:46,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/data/74eea9a20/d1504772b3bc4d55b37ba3528c6ccfce/FLAG2e79ecdd2 [2019-10-22 08:56:46,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/data/74eea9a20/d1504772b3bc4d55b37ba3528c6ccfce [2019-10-22 08:56:46,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:46,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:46,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:46,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:46,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:46,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:46" (1/1) ... [2019-10-22 08:56:46,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b053f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:46, skipping insertion in model container [2019-10-22 08:56:46,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:46" (1/1) ... [2019-10-22 08:56:46,970 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:47,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:47,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:47,424 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:47,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:47,547 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47 WrapperNode [2019-10-22 08:56:47,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:47,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:47,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:47,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:47,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:47,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:47,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:47,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:47,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... [2019-10-22 08:56:47,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:47,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:47,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:47,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:47,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:48,611 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:48,611 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 08:56:48,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48 BoogieIcfgContainer [2019-10-22 08:56:48,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:48,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:48,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:48,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:46" (1/3) ... [2019-10-22 08:56:48,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53630e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:47" (2/3) ... [2019-10-22 08:56:48,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53630e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48" (3/3) ... [2019-10-22 08:56:48,622 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2019-10-22 08:56:48,633 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:48,642 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:48,654 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:48,685 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:48,685 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:48,686 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:48,686 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:48,686 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:48,686 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:48,686 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:48,687 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-22 08:56:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:56:48,717 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:48,718 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:48,720 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:48,727 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-10-22 08:56:48,736 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:48,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037324026] [2019-10-22 08:56:48,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:48,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:48,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:48,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037324026] [2019-10-22 08:56:48,972 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:48,972 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:48,972 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339151278] [2019-10-22 08:56:48,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:48,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:48,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:48,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:48,994 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-22 08:56:49,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:49,027 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-10-22 08:56:49,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:49,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:56:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:49,040 INFO L225 Difference]: With dead ends: 208 [2019-10-22 08:56:49,041 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 08:56:49,044 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 08:56:49,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 08:56:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 08:56:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-10-22 08:56:49,085 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-10-22 08:56:49,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:49,086 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-10-22 08:56:49,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-10-22 08:56:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:56:49,087 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,087 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,087 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-10-22 08:56:49,088 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877809936] [2019-10-22 08:56:49,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:49,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877809936] [2019-10-22 08:56:49,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:49,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:49,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837351249] [2019-10-22 08:56:49,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:49,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:49,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:49,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:49,218 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-10-22 08:56:49,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:49,254 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-10-22 08:56:49,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:49,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:56:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:49,257 INFO L225 Difference]: With dead ends: 103 [2019-10-22 08:56:49,257 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:56:49,258 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:56:49,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 08:56:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:56:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 08:56:49,264 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-10-22 08:56:49,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:49,264 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 08:56:49,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 08:56:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:56:49,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,266 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,266 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-10-22 08:56:49,266 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413167968] [2019-10-22 08:56:49,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:49,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413167968] [2019-10-22 08:56:49,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:49,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:49,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293780048] [2019-10-22 08:56:49,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:49,379 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:49,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:49,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:49,379 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-10-22 08:56:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:49,501 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-10-22 08:56:49,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:49,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 08:56:49,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:49,503 INFO L225 Difference]: With dead ends: 146 [2019-10-22 08:56:49,503 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 08:56:49,503 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 08:56:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-10-22 08:56:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 08:56:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-10-22 08:56:49,516 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-10-22 08:56:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:49,516 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-10-22 08:56:49,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-10-22 08:56:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:49,517 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,517 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,517 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-10-22 08:56:49,518 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54590097] [2019-10-22 08:56:49,518 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,519 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:49,618 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54590097] [2019-10-22 08:56:49,618 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:49,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:49,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712023877] [2019-10-22 08:56:49,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:49,619 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:49,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:49,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:49,620 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-10-22 08:56:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:49,822 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-10-22 08:56:49,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:49,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:56:49,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:49,825 INFO L225 Difference]: With dead ends: 309 [2019-10-22 08:56:49,825 INFO L226 Difference]: Without dead ends: 251 [2019-10-22 08:56:49,826 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:56:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-10-22 08:56:49,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-10-22 08:56:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 08:56:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-10-22 08:56:49,846 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-10-22 08:56:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:49,847 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-10-22 08:56:49,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-10-22 08:56:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:56:49,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,849 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,849 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2019-10-22 08:56:49,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314988159] [2019-10-22 08:56:49,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:49,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314988159] [2019-10-22 08:56:49,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:49,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:49,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540729974] [2019-10-22 08:56:49,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:49,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:49,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:49,931 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-10-22 08:56:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:50,037 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-10-22 08:56:50,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:50,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:56:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:50,038 INFO L225 Difference]: With dead ends: 312 [2019-10-22 08:56:50,039 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:50,040 INFO L600 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 [2019-10-22 08:56:50,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:50,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:50,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:56:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:50,041 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:50,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:50,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:50,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:50,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,353 INFO L439 ceAbstractionStarter]: At program point L268(lines 263 271) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:50,354 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:50,354 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-22 08:56:50,354 INFO L439 ceAbstractionStarter]: At program point L534-1(lines 534 540) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,354 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 386) no Hoare annotation was computed. [2019-10-22 08:56:50,354 INFO L443 ceAbstractionStarter]: For program point L369-1(lines 369 386) no Hoare annotation was computed. [2019-10-22 08:56:50,355 INFO L443 ceAbstractionStarter]: For program point L369-2(lines 369 386) no Hoare annotation was computed. [2019-10-22 08:56:50,355 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-22 08:56:50,356 INFO L439 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,356 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 08:56:50,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,356 INFO L439 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,356 INFO L439 ceAbstractionStarter]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2019-10-22 08:56:50,356 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 381) no Hoare annotation was computed. [2019-10-22 08:56:50,357 INFO L439 ceAbstractionStarter]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2019-10-22 08:56:50,357 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 381) no Hoare annotation was computed. [2019-10-22 08:56:50,357 INFO L443 ceAbstractionStarter]: For program point L373-2(lines 373 381) no Hoare annotation was computed. [2019-10-22 08:56:50,357 INFO L439 ceAbstractionStarter]: At program point L572(lines 523 573) the Hoare annotation is: false [2019-10-22 08:56:50,357 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,357 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,358 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,358 INFO L443 ceAbstractionStarter]: For program point L343-3(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,358 INFO L443 ceAbstractionStarter]: For program point L343-4(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,358 INFO L443 ceAbstractionStarter]: For program point L343-5(lines 343 360) no Hoare annotation was computed. [2019-10-22 08:56:50,358 INFO L439 ceAbstractionStarter]: At program point L311(lines 310 329) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,358 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-10-22 08:56:50,359 INFO L439 ceAbstractionStarter]: At program point L311-2(lines 310 329) the Hoare annotation is: false [2019-10-22 08:56:50,360 INFO L439 ceAbstractionStarter]: At program point L311-3(lines 310 329) the Hoare annotation is: false [2019-10-22 08:56:50,361 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 183) no Hoare annotation was computed. [2019-10-22 08:56:50,361 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2019-10-22 08:56:50,361 INFO L439 ceAbstractionStarter]: At program point L544-1(lines 544 550) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,361 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,361 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L443 ceAbstractionStarter]: For program point L347-3(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L443 ceAbstractionStarter]: For program point L347-5(lines 347 355) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 296) no Hoare annotation was computed. [2019-10-22 08:56:50,362 INFO L439 ceAbstractionStarter]: At program point L283-1(lines 1 954) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,363 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 296) no Hoare annotation was computed. [2019-10-22 08:56:50,363 INFO L439 ceAbstractionStarter]: At program point L283-3(lines 1 954) the Hoare annotation is: false [2019-10-22 08:56:50,363 INFO L443 ceAbstractionStarter]: For program point L283-4(lines 283 296) no Hoare annotation was computed. [2019-10-22 08:56:50,363 INFO L439 ceAbstractionStarter]: At program point L283-5(lines 1 954) the Hoare annotation is: false [2019-10-22 08:56:50,363 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 08:56:50,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:50,363 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 08:56:50,364 INFO L439 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,364 INFO L439 ceAbstractionStarter]: At program point L318-1(lines 318 324) the Hoare annotation is: false [2019-10-22 08:56:50,364 INFO L439 ceAbstractionStarter]: At program point L318-2(lines 318 324) the Hoare annotation is: false [2019-10-22 08:56:50,364 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-10-22 08:56:50,364 INFO L443 ceAbstractionStarter]: For program point L287-2(lines 287 293) no Hoare annotation was computed. [2019-10-22 08:56:50,364 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 159) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L287-4(lines 287 293) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L155-3(lines 155 159) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 311 317) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L155-6(lines 155 159) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,365 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L585-2(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 567) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,366 INFO L443 ceAbstractionStarter]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,367 INFO L443 ceAbstractionStarter]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,367 INFO L443 ceAbstractionStarter]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,369 INFO L443 ceAbstractionStarter]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L443 ceAbstractionStarter]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L443 ceAbstractionStarter]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L443 ceAbstractionStarter]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L443 ceAbstractionStarter]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L443 ceAbstractionStarter]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2019-10-22 08:56:50,370 INFO L439 ceAbstractionStarter]: At program point L192(lines 187 195) the Hoare annotation is: false [2019-10-22 08:56:50,371 INFO L439 ceAbstractionStarter]: At program point L192-1(lines 187 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,371 INFO L439 ceAbstractionStarter]: At program point L192-2(lines 187 195) the Hoare annotation is: false [2019-10-22 08:56:50,371 INFO L439 ceAbstractionStarter]: At program point L192-3(lines 187 195) the Hoare annotation is: false [2019-10-22 08:56:50,371 INFO L439 ceAbstractionStarter]: At program point L192-4(lines 187 195) the Hoare annotation is: false [2019-10-22 08:56:50,371 INFO L439 ceAbstractionStarter]: At program point L192-5(lines 187 195) the Hoare annotation is: false [2019-10-22 08:56:50,371 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:50,372 INFO L439 ceAbstractionStarter]: At program point L260(lines 1 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:50,372 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-22 08:56:50,372 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 571) no Hoare annotation was computed. [2019-10-22 08:56:50,372 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-22 08:56:50,372 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 08:56:50,373 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 08:56:50,373 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-22 08:56:50,373 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 311 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:50,373 INFO L439 ceAbstractionStarter]: At program point L494(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,373 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,373 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L430(lines 423 433) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L430-1(lines 423 433) the Hoare annotation is: false [2019-10-22 08:56:50,374 INFO L439 ceAbstractionStarter]: At program point L430-2(lines 423 433) the Hoare annotation is: false [2019-10-22 08:56:50,375 INFO L439 ceAbstractionStarter]: At program point L233(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,375 INFO L439 ceAbstractionStarter]: At program point L233-1(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,375 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-10-22 08:56:50,375 INFO L439 ceAbstractionStarter]: At program point L233-2(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,375 INFO L439 ceAbstractionStarter]: At program point L233-3(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,375 INFO L439 ceAbstractionStarter]: At program point L233-4(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,376 INFO L439 ceAbstractionStarter]: At program point L233-5(lines 228 236) the Hoare annotation is: false [2019-10-22 08:56:50,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:50 BoogieIcfgContainer [2019-10-22 08:56:50,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:50,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:50,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:50,394 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:50,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:48" (3/4) ... [2019-10-22 08:56:50,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:50,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:56:50,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:56:50,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:56:50,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:50,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:50,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:50,451 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:56:50,451 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:56:50,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:56:50,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_275ee7ea-6812-4e2a-892b-9961ea8b0f53/bin/uautomizer/witness.graphml [2019-10-22 08:56:50,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:50,546 INFO L168 Benchmark]: Toolchain (without parser) took 3593.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 948.8 MB in the beginning and 898.6 MB in the end (delta: 50.1 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,546 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-10-22 08:56:50,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,547 INFO L168 Benchmark]: Boogie Preprocessor took 54.69 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. [2019-10-22 08:56:50,547 INFO L168 Benchmark]: RCFGBuilder took 924.22 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,547 INFO L168 Benchmark]: TraceAbstraction took 1779.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.7 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,548 INFO L168 Benchmark]: Witness Printer took 150.15 ms. Allocated memory is still 1.2 GB. Free memory was 909.4 MB in the beginning and 898.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:50,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 594.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 924.22 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1779.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.7 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. * Witness Printer took 150.15 ms. Allocated memory is still 1.2 GB. Free memory was 909.4 MB in the beginning and 898.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 585]: 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: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 432 SDtfs, 610 SDslu, 653 SDs, 0 SdLazy, 82 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...