./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/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 40fed9ba382e53b697a1093810870166e2d037a9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:54:48,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:48,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:48,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:48,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:48,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:48,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:48,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:48,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:48,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:48,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:48,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:48,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:48,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:48,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:48,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:48,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:48,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:48,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:48,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:48,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:48,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:48,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:48,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:48,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:48,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:48,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:48,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:48,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:48,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:48,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:48,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:48,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:48,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:48,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:48,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:48,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:48,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:48,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:48,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:48,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:48,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:48,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:48,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:48,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:48,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:48,676 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:48,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:48,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:48,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:48,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:48,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:48,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:48,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:48,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:48,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:48,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:48,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:48,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:48,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:48,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:48,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:48,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:48,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:48,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:48,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:48,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:48,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:48,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:48,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:48,681 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_9ea2278f-ca81-49ed-8c91-34d2d3311702/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-10-22 08:54:48,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:48,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:48,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:48,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:48,741 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:48,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-10-22 08:54:48,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/data/3763758b5/7e6565de3d044aeaa6c9abcbbbf94f83/FLAGb18447cab [2019-10-22 08:54:49,216 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:49,217 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-10-22 08:54:49,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/data/3763758b5/7e6565de3d044aeaa6c9abcbbbf94f83/FLAGb18447cab [2019-10-22 08:54:49,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/data/3763758b5/7e6565de3d044aeaa6c9abcbbbf94f83 [2019-10-22 08:54:49,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:49,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:49,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:49,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:49,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:49,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49, skipping insertion in model container [2019-10-22 08:54:49,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:49,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:49,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:49,671 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:49,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:49,798 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:49,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49 WrapperNode [2019-10-22 08:54:49,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:49,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:49,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:49,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:49,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:49,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:49,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:49,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:49,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... [2019-10-22 08:54:49,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:49,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:49,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:49,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:49,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/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 08:54:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:50,731 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:50,732 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 08:54:50,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:50 BoogieIcfgContainer [2019-10-22 08:54:50,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:50,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:50,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:50,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:49" (1/3) ... [2019-10-22 08:54:50,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9c69be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:50, skipping insertion in model container [2019-10-22 08:54:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:49" (2/3) ... [2019-10-22 08:54:50,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e9c69be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:50, skipping insertion in model container [2019-10-22 08:54:50,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:50" (3/3) ... [2019-10-22 08:54:50,741 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2019-10-22 08:54:50,752 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:50,759 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:54:50,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:54:50,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:50,797 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:50,797 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:50,798 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:50,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:50,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:50,798 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:50,798 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-10-22 08:54:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:54:50,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:50,820 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:50,824 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash -509663600, now seen corresponding path program 1 times [2019-10-22 08:54:50,838 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:50,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990303645] [2019-10-22 08:54:50,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:51,016 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 08:54:51,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990303645] [2019-10-22 08:54:51,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:51,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:51,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421079657] [2019-10-22 08:54:51,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:51,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:51,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:51,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:51,044 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-10-22 08:54:51,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:51,076 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-10-22 08:54:51,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:51,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:54:51,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:51,091 INFO L225 Difference]: With dead ends: 211 [2019-10-22 08:54:51,091 INFO L226 Difference]: Without dead ends: 105 [2019-10-22 08:54:51,095 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 08:54:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-22 08:54:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-22 08:54:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-22 08:54:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-10-22 08:54:51,139 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-10-22 08:54:51,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:51,140 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-10-22 08:54:51,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-10-22 08:54:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:54:51,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:51,141 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:51,141 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:51,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash -890511133, now seen corresponding path program 1 times [2019-10-22 08:54:51,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:51,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919791585] [2019-10-22 08:54:51,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:51,278 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 08:54:51,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919791585] [2019-10-22 08:54:51,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:51,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:51,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292031764] [2019-10-22 08:54:51,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:51,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:51,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:51,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:51,281 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2019-10-22 08:54:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:51,300 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-10-22 08:54:51,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:51,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:54:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:51,301 INFO L225 Difference]: With dead ends: 105 [2019-10-22 08:54:51,302 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:54:51,302 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 08:54:51,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:54:51,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 08:54:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:54:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 08:54:51,309 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-10-22 08:54:51,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:51,310 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 08:54:51,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 08:54:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:54:51,310 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:51,311 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 08:54:51,311 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:51,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:51,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2019-10-22 08:54:51,311 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:51,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783702482] [2019-10-22 08:54:51,312 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,312 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:51,399 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 08:54:51,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783702482] [2019-10-22 08:54:51,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:51,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:51,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114702483] [2019-10-22 08:54:51,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:51,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:51,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:51,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:51,401 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-10-22 08:54:51,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:51,429 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-10-22 08:54:51,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:51,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:54:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:51,432 INFO L225 Difference]: With dead ends: 83 [2019-10-22 08:54:51,432 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:54:51,433 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 08:54:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:54:51,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 08:54:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:54:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-10-22 08:54:51,437 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-10-22 08:54:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:51,437 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-10-22 08:54:51,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-10-22 08:54:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:54:51,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:51,443 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:51,443 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:51,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:51,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2019-10-22 08:54:51,444 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:51,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512014451] [2019-10-22 08:54:51,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:51,532 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 08:54:51,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512014451] [2019-10-22 08:54:51,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:51,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:51,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196138786] [2019-10-22 08:54:51,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:51,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:51,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:51,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:51,535 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-10-22 08:54:51,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:51,645 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-10-22 08:54:51,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:54:51,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 08:54:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:51,647 INFO L225 Difference]: With dead ends: 207 [2019-10-22 08:54:51,647 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 08:54:51,648 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 08:54:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 08:54:51,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-10-22 08:54:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 08:54:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-10-22 08:54:51,672 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-10-22 08:54:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:51,672 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-10-22 08:54:51,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-10-22 08:54:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:54:51,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:51,673 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:51,673 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2019-10-22 08:54:51,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:51,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816223467] [2019-10-22 08:54:51,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:51,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:51,742 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 08:54:51,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816223467] [2019-10-22 08:54:51,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:51,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:51,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611895823] [2019-10-22 08:54:51,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:51,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:51,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:51,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:51,744 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-10-22 08:54:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:51,849 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-10-22 08:54:51,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:51,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 08:54:51,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:51,850 INFO L225 Difference]: With dead ends: 176 [2019-10-22 08:54:51,850 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:51,852 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 08:54:51,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:51,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-10-22 08:54:51,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:51,853 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:51,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:51,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:51,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:52,147 INFO L439 ceAbstractionStarter]: At program point L630(lines 623 633) the Hoare annotation is: false [2019-10-22 08:54:52,147 INFO L439 ceAbstractionStarter]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2019-10-22 08:54:52,148 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,148 INFO L439 ceAbstractionStarter]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2019-10-22 08:54:52,148 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,148 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-22 08:54:52,148 INFO L443 ceAbstractionStarter]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,148 INFO L443 ceAbstractionStarter]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,148 INFO L446 ceAbstractionStarter]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-10-22 08:54:52,149 INFO L443 ceAbstractionStarter]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,149 INFO L443 ceAbstractionStarter]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2019-10-22 08:54:52,149 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-10-22 08:54:52,149 INFO L443 ceAbstractionStarter]: For program point L829-3(lines 829 833) no Hoare annotation was computed. [2019-10-22 08:54:52,149 INFO L443 ceAbstractionStarter]: For program point L829-6(lines 829 833) no Hoare annotation was computed. [2019-10-22 08:54:52,149 INFO L439 ceAbstractionStarter]: At program point L765(lines 716 766) the Hoare annotation is: false [2019-10-22 08:54:52,149 INFO L439 ceAbstractionStarter]: At program point L535(lines 535 541) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,150 INFO L439 ceAbstractionStarter]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2019-10-22 08:54:52,150 INFO L439 ceAbstractionStarter]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:52,150 INFO L439 ceAbstractionStarter]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2019-10-22 08:54:52,150 INFO L439 ceAbstractionStarter]: At program point L866(lines 861 869) the Hoare annotation is: false [2019-10-22 08:54:52,151 INFO L439 ceAbstractionStarter]: At program point L866-1(lines 861 869) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,151 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 817) no Hoare annotation was computed. [2019-10-22 08:54:52,151 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2019-10-22 08:54:52,151 INFO L439 ceAbstractionStarter]: At program point L800-1(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,151 INFO L439 ceAbstractionStarter]: At program point L866-3(lines 861 869) the Hoare annotation is: false [2019-10-22 08:54:52,151 INFO L443 ceAbstractionStarter]: For program point L800-2(lines 800 817) no Hoare annotation was computed. [2019-10-22 08:54:52,152 INFO L439 ceAbstractionStarter]: At program point L866-4(lines 861 869) the Hoare annotation is: false [2019-10-22 08:54:52,152 INFO L439 ceAbstractionStarter]: At program point L800-3(lines 1 945) the Hoare annotation is: false [2019-10-22 08:54:52,152 INFO L439 ceAbstractionStarter]: At program point L866-5(lines 861 869) the Hoare annotation is: false [2019-10-22 08:54:52,152 INFO L443 ceAbstractionStarter]: For program point L800-4(lines 800 817) no Hoare annotation was computed. [2019-10-22 08:54:52,152 INFO L439 ceAbstractionStarter]: At program point L800-5(lines 1 945) the Hoare annotation is: false [2019-10-22 08:54:52,152 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,153 INFO L439 ceAbstractionStarter]: At program point L934(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:52,153 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 743) no Hoare annotation was computed. [2019-10-22 08:54:52,153 INFO L439 ceAbstractionStarter]: At program point L737-1(lines 737 743) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,153 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 814) no Hoare annotation was computed. [2019-10-22 08:54:52,153 INFO L443 ceAbstractionStarter]: For program point L804-2(lines 804 814) no Hoare annotation was computed. [2019-10-22 08:54:52,154 INFO L443 ceAbstractionStarter]: For program point L804-4(lines 804 814) no Hoare annotation was computed. [2019-10-22 08:54:52,158 INFO L439 ceAbstractionStarter]: At program point L639(lines 634 642) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,165 INFO L439 ceAbstractionStarter]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2019-10-22 08:54:52,165 INFO L439 ceAbstractionStarter]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2019-10-22 08:54:52,165 INFO L446 ceAbstractionStarter]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-10-22 08:54:52,165 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-22 08:54:52,165 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 811) no Hoare annotation was computed. [2019-10-22 08:54:52,166 INFO L443 ceAbstractionStarter]: For program point L805-4(lines 805 811) no Hoare annotation was computed. [2019-10-22 08:54:52,166 INFO L439 ceAbstractionStarter]: At program point L907(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,166 INFO L439 ceAbstractionStarter]: At program point L907-1(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,166 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 845) no Hoare annotation was computed. [2019-10-22 08:54:52,166 INFO L439 ceAbstractionStarter]: At program point L907-2(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,166 INFO L439 ceAbstractionStarter]: At program point L907-3(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,166 INFO L439 ceAbstractionStarter]: At program point L907-4(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,167 INFO L439 ceAbstractionStarter]: At program point L907-5(lines 902 910) the Hoare annotation is: false [2019-10-22 08:54:52,167 INFO L439 ceAbstractionStarter]: At program point L942(lines 937 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:52,167 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,167 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,167 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,167 INFO L443 ceAbstractionStarter]: For program point L778-2(line 778) no Hoare annotation was computed. [2019-10-22 08:54:52,167 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L439 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L718(lines 717 764) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 603) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2019-10-22 08:54:52,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 723) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L422-1(lines 528 534) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 857) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,169 INFO L443 ceAbstractionStarter]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2019-10-22 08:54:52,170 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:52,171 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 759) no Hoare annotation was computed. [2019-10-22 08:54:52,171 INFO L439 ceAbstractionStarter]: At program point L755-2(lines 528 534) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,171 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 598) no Hoare annotation was computed. [2019-10-22 08:54:52,171 INFO L443 ceAbstractionStarter]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2019-10-22 08:54:52,171 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2019-10-22 08:54:52,171 INFO L439 ceAbstractionStarter]: At program point L789(lines 784 791) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:52,171 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:52,172 INFO L439 ceAbstractionStarter]: At program point L528(lines 527 546) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,172 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 528 534) no Hoare annotation was computed. [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L528-2(lines 527 546) the Hoare annotation is: false [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L528-3(lines 527 546) the Hoare annotation is: false [2019-10-22 08:54:52,173 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 733) no Hoare annotation was computed. [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L727-1(lines 727 733) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L694(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L694-1(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,173 INFO L439 ceAbstractionStarter]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,178 INFO L439 ceAbstractionStarter]: At program point L694-3(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,178 INFO L439 ceAbstractionStarter]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,178 INFO L439 ceAbstractionStarter]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2019-10-22 08:54:52,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:52 BoogieIcfgContainer [2019-10-22 08:54:52,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:52,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:52,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:52,206 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:52,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:50" (3/4) ... [2019-10-22 08:54:52,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:52,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:54:52,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:54:52,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:54:52,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:54:52,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:54:52,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:54:52,262 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:54:52,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ea2278f-ca81-49ed-8c91-34d2d3311702/bin/uautomizer/witness.graphml [2019-10-22 08:54:52,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:52,336 INFO L168 Benchmark]: Toolchain (without parser) took 3088.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 903.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 179.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:52,337 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:52,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:52,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.18 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 08:54:52,338 INFO L168 Benchmark]: Boogie Preprocessor took 52.18 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 08:54:52,338 INFO L168 Benchmark]: RCFGBuilder took 783.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:52,339 INFO L168 Benchmark]: TraceAbstraction took 1467.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:52,339 INFO L168 Benchmark]: Witness Printer took 130.88 ms. Allocated memory is still 1.2 GB. Free memory was 914.5 MB in the beginning and 903.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:52,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 549.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.18 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 52.18 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 783.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1467.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. * Witness Printer took 130.88 ms. Allocated memory is still 1.2 GB. Free memory was 914.5 MB in the beginning and 903.8 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: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 778]: 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: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 429 SDtfs, 388 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 155 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1200 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4905 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...