./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c7ed23c0d5fbff93bb8aff45a9f721a65d4608 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c7ed23c0d5fbff93bb8aff45a9f721a65d4608 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:10:40,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:10:40,146 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:10:40,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:10:40,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:10:40,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:10:40,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:10:40,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:10:40,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:10:40,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:10:40,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:10:40,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:10:40,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:10:40,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:10:40,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:10:40,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:10:40,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:10:40,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:10:40,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:10:40,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:10:40,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:10:40,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:10:40,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:10:40,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:10:40,173 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:10:40,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:10:40,175 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:10:40,175 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:10:40,176 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:10:40,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:10:40,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:10:40,177 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:10:40,177 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:10:40,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:10:40,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:10:40,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:10:40,180 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:10:40,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:10:40,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:10:40,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:10:40,191 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:10:40,191 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:10:40,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:10:40,192 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:10:40,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:10:40,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:10:40,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:10:40,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:10:40,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:10:40,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:10:40,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:10:40,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:10:40,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:10:40,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:10:40,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:10:40,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:10:40,197 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:10:40,197 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan 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 -> Taipan 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 -> 98c7ed23c0d5fbff93bb8aff45a9f721a65d4608 [2018-11-18 10:10:40,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:10:40,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:10:40,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:10:40,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:10:40,232 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:10:40,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:40,270 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/14b1792ea/a0cb1c0a9c204a969f6f08d70035ca57/FLAG0068d5ed5 [2018-11-18 10:10:40,660 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:10:40,660 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:40,664 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/14b1792ea/a0cb1c0a9c204a969f6f08d70035ca57/FLAG0068d5ed5 [2018-11-18 10:10:40,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/14b1792ea/a0cb1c0a9c204a969f6f08d70035ca57 [2018-11-18 10:10:40,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:10:40,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:10:40,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:40,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:10:40,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:10:40,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:40" (1/1) ... [2018-11-18 10:10:40,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:40, skipping insertion in model container [2018-11-18 10:10:40,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:40" (1/1) ... [2018-11-18 10:10:40,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:10:40,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:10:40,806 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:41,536 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:10:41,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:41,575 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:10:41,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41 WrapperNode [2018-11-18 10:10:41,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:41,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:41,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:10:41,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:10:41,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:41,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:10:41,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:10:41,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:10:41,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... [2018-11-18 10:10:41,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:10:41,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:10:41,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:10:41,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:10:41,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/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 [2018-11-18 10:10:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:10:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:10:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:10:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:10:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:10:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:10:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:10:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:10:41,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:10:41,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:41 BoogieIcfgContainer [2018-11-18 10:10:41,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:10:41,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:10:41,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:10:41,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:10:41,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:10:40" (1/3) ... [2018-11-18 10:10:41,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0523b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:41, skipping insertion in model container [2018-11-18 10:10:41,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:41" (2/3) ... [2018-11-18 10:10:41,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0523b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:41, skipping insertion in model container [2018-11-18 10:10:41,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:41" (3/3) ... [2018-11-18 10:10:41,909 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:41,917 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:10:41,922 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:10:41,932 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:10:41,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:10:41,954 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:10:41,954 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:10:41,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:10:41,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:10:41,954 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:10:41,954 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:10:41,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:10:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-18 10:10:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:10:41,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:41,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:41,974 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:41,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash 835931328, now seen corresponding path program 1 times [2018-11-18 10:10:41,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:42,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:42,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:42,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:42,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:10:42,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:42,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:10:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:10:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:10:42,078 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-18 10:10:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:42,092 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2018-11-18 10:10:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:10:42,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 10:10:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:42,099 INFO L225 Difference]: With dead ends: 49 [2018-11-18 10:10:42,099 INFO L226 Difference]: Without dead ends: 25 [2018-11-18 10:10:42,102 INFO L604 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 [2018-11-18 10:10:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-18 10:10:42,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-18 10:10:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-18 10:10:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2018-11-18 10:10:42,125 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2018-11-18 10:10:42,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:42,125 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2018-11-18 10:10:42,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:10:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-11-18 10:10:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:10:42,126 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:42,126 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:42,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:42,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:42,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1730177078, now seen corresponding path program 1 times [2018-11-18 10:10:42,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:42,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:42,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:42,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:42,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:10:42,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:10:42,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:10:42,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:10:42,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:42,174 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2018-11-18 10:10:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:42,213 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2018-11-18 10:10:42,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:10:42,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-18 10:10:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:42,215 INFO L225 Difference]: With dead ends: 51 [2018-11-18 10:10:42,215 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 10:10:42,216 INFO L604 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 [2018-11-18 10:10:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 10:10:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2018-11-18 10:10:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 10:10:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-11-18 10:10:42,222 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2018-11-18 10:10:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:42,223 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-11-18 10:10:42,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:10:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-18 10:10:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:10:42,223 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:42,223 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:42,224 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:42,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1703654152, now seen corresponding path program 1 times [2018-11-18 10:10:42,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:10:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:42,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:10:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:42,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:42,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:10:42,276 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 23 with the following transitions: [2018-11-18 10:10:42,278 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [21], [23], [27], [31], [36], [39], [45], [57], [60], [62], [68], [69], [70], [72] [2018-11-18 10:10:42,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:10:42,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:10:42,360 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-18 10:10:42,362 INFO L168 Benchmark]: Toolchain (without parser) took 1684.87 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -285.9 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,363 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:10:42,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 897.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 953.8 MB in the beginning and 669.6 MB in the end (delta: 284.1 MB). Peak memory consumption was 410.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 669.6 MB in the beginning and 1.3 GB in the end (delta: -638.0 MB). Peak memory consumption was 73.7 kB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,365 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,366 INFO L168 Benchmark]: RCFGBuilder took 251.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,366 INFO L168 Benchmark]: TraceAbstraction took 458.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:10:42,369 INFO L336 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 897.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 953.8 MB in the beginning and 669.6 MB in the end (delta: 284.1 MB). Peak memory consumption was 410.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 669.6 MB in the beginning and 1.3 GB in the end (delta: -638.0 MB). Peak memory consumption was 73.7 kB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 251.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 458.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:10:43,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:10:43,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:10:43,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:10:43,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:10:43,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:10:43,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:10:43,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:10:43,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:10:43,843 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:10:43,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:10:43,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:10:43,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:10:43,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:10:43,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:10:43,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:10:43,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:10:43,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:10:43,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:10:43,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:10:43,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:10:43,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:10:43,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:10:43,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:10:43,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:10:43,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:10:43,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:10:43,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:10:43,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:10:43,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:10:43,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:10:43,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:10:43,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:10:43,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:10:43,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:10:43,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:10:43,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:10:43,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:10:43,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:10:43,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:10:43,872 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:10:43,872 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:10:43,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:10:43,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:10:43,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:10:43,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:10:43,874 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:10:43,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:10:43,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:10:43,875 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:10:43,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:10:43,875 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:10:43,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:10:43,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:10:43,876 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan 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 -> Taipan 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 -> 98c7ed23c0d5fbff93bb8aff45a9f721a65d4608 [2018-11-18 10:10:43,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:10:43,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:10:43,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:10:43,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:10:43,915 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:10:43,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:43,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/c027c0d10/f424b35a471447a080f429247728d2dd/FLAG37ab49920 [2018-11-18 10:10:44,264 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:10:44,264 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/sv-benchmarks/c/array-industry-pattern/array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:44,268 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/c027c0d10/f424b35a471447a080f429247728d2dd/FLAG37ab49920 [2018-11-18 10:10:44,279 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/data/c027c0d10/f424b35a471447a080f429247728d2dd [2018-11-18 10:10:44,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:10:44,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:10:44,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:44,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:10:44,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:10:44,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:44" (1/1) ... [2018-11-18 10:10:44,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6fc0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:44, skipping insertion in model container [2018-11-18 10:10:44,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:10:44" (1/1) ... [2018-11-18 10:10:44,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:10:44,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:10:44,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:45,275 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:10:45,293 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:10:45,309 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:10:45,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45 WrapperNode [2018-11-18 10:10:45,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:10:45,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:45,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:10:45,310 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:10:45,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:10:45,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:10:45,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:10:45,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:10:45,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... [2018-11-18 10:10:45,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:10:45,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:10:45,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:10:45,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:10:45,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/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 [2018-11-18 10:10:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:10:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:10:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:10:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:10:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:10:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:10:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:10:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:10:45,606 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:10:45,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:45 BoogieIcfgContainer [2018-11-18 10:10:45,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:10:45,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:10:45,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:10:45,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:10:45,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:10:44" (1/3) ... [2018-11-18 10:10:45,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b16dd4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:45, skipping insertion in model container [2018-11-18 10:10:45,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:10:45" (2/3) ... [2018-11-18 10:10:45,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b16dd4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:10:45, skipping insertion in model container [2018-11-18 10:10:45,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:10:45" (3/3) ... [2018-11-18 10:10:45,611 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_single_elem_init_true-unreach-call.i [2018-11-18 10:10:45,617 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:10:45,622 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:10:45,630 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:10:45,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:10:45,649 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:10:45,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:10:45,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:10:45,650 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:10:45,650 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:10:45,650 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:10:45,650 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:10:45,650 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:10:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-18 10:10:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:10:45,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:45,663 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:45,665 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:45,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:45,668 INFO L82 PathProgramCache]: Analyzing trace with hash 835931328, now seen corresponding path program 1 times [2018-11-18 10:10:45,671 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:10:45,671 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:10:45,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:45,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:45,741 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:10:45,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:45,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:10:45,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:10:45,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:10:45,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:10:45,755 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-18 10:10:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:45,768 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2018-11-18 10:10:45,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:10:45,769 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 10:10:45,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:45,774 INFO L225 Difference]: With dead ends: 49 [2018-11-18 10:10:45,774 INFO L226 Difference]: Without dead ends: 25 [2018-11-18 10:10:45,776 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:10:45,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-18 10:10:45,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-18 10:10:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-18 10:10:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2018-11-18 10:10:45,798 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2018-11-18 10:10:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:45,798 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2018-11-18 10:10:45,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:10:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-11-18 10:10:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:10:45,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:45,799 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:45,799 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:45,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1730177078, now seen corresponding path program 1 times [2018-11-18 10:10:45,800 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:10:45,800 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:10:45,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:45,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:45,866 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:10:45,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:10:45,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:10:45,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:10:45,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:10:45,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:45,872 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2018-11-18 10:10:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:45,930 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2018-11-18 10:10:45,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:10:45,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-18 10:10:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:45,933 INFO L225 Difference]: With dead ends: 51 [2018-11-18 10:10:45,933 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 10:10:45,933 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:10:45,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 10:10:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2018-11-18 10:10:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 10:10:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-11-18 10:10:45,939 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2018-11-18 10:10:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:45,939 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-11-18 10:10:45,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:10:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-18 10:10:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:10:45,940 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:45,940 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:45,940 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:45,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:45,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1703654152, now seen corresponding path program 1 times [2018-11-18 10:10:45,941 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:10:45,941 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:10:45,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:45,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,009 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:46,046 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:46,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:46,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,083 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,128 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 10:10:46,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4] total 6 [2018-11-18 10:10:46,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:10:46,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:10:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:10:46,129 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 6 states. [2018-11-18 10:10:46,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:46,256 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2018-11-18 10:10:46,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:10:46,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 10:10:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:46,257 INFO L225 Difference]: With dead ends: 79 [2018-11-18 10:10:46,257 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 10:10:46,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:10:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 10:10:46,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 42. [2018-11-18 10:10:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 10:10:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-11-18 10:10:46,264 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 22 [2018-11-18 10:10:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:46,264 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-11-18 10:10:46,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:10:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-11-18 10:10:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:10:46,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:46,265 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:46,265 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:46,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:46,266 INFO L82 PathProgramCache]: Analyzing trace with hash 82394806, now seen corresponding path program 2 times [2018-11-18 10:10:46,266 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:10:46,266 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:10:46,283 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 10:10:46,340 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 10:10:46,341 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 10:10:46,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,379 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:46,502 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:46,516 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 10:10:46,592 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 10:10:46,592 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 10:10:46,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,602 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:46,653 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 10:10:46,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 12 [2018-11-18 10:10:46,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 10:10:46,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 10:10:46,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-18 10:10:46,654 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 12 states. [2018-11-18 10:10:47,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:47,290 INFO L93 Difference]: Finished difference Result 151 states and 199 transitions. [2018-11-18 10:10:47,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:10:47,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-11-18 10:10:47,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:47,292 INFO L225 Difference]: With dead ends: 151 [2018-11-18 10:10:47,292 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 10:10:47,293 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:10:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 10:10:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 72. [2018-11-18 10:10:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-18 10:10:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2018-11-18 10:10:47,302 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 37 [2018-11-18 10:10:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:47,303 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2018-11-18 10:10:47,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 10:10:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2018-11-18 10:10:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 10:10:47,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:47,304 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:10:47,305 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:47,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1578731638, now seen corresponding path program 3 times [2018-11-18 10:10:47,305 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:10:47,305 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:10:47,317 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 10:10:50,934 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-18 10:10:50,934 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 10:10:50,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:51,055 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:10:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:10:51,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:51,326 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:51,332 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 10:11:53,951 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-18 10:11:53,951 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 10:11:53,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:11:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:11:53,993 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:11:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:11:54,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 10:11:54,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 14] total 34 [2018-11-18 10:11:54,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 10:11:54,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 10:11:54,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=771, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 10:11:54,611 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand 34 states. [2018-11-18 10:11:56,342 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-11-18 10:11:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:11:57,665 INFO L93 Difference]: Finished difference Result 295 states and 397 transitions. [2018-11-18 10:11:57,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 10:11:57,666 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 67 [2018-11-18 10:11:57,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:11:57,667 INFO L225 Difference]: With dead ends: 295 [2018-11-18 10:11:57,667 INFO L226 Difference]: Without dead ends: 281 [2018-11-18 10:11:57,668 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=671, Invalid=1309, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 10:11:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-11-18 10:11:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 132. [2018-11-18 10:11:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 10:11:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2018-11-18 10:11:57,684 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 67 [2018-11-18 10:11:57,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:11:57,684 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2018-11-18 10:11:57,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 10:11:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2018-11-18 10:11:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:11:57,686 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:11:57,686 INFO L375 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:11:57,686 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:11:57,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:11:57,687 INFO L82 PathProgramCache]: Analyzing trace with hash -416846858, now seen corresponding path program 4 times [2018-11-18 10:11:57,687 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:11:57,687 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad62dfb2-b4fa-4e91-b15b-70cf6fde6e26/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:11:57,699 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 10:11:57,922 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:11:57,923 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.partitionStmtsAccordingToConstantSize(AnnotateAndAsserterWithStmtOrderPrioritization.java:377) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.annotateAndAssertStmtsAccording5Heuristic(AnnotateAndAsserterWithStmtOrderPrioritization.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserterWithStmtOrderPrioritization.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:11:57,926 INFO L168 Benchmark]: Toolchain (without parser) took 73644.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 951.9 MB in the beginning and 749.0 MB in the end (delta: 202.9 MB). Peak memory consumption was 676.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:57,926 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:11:57,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1027.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 268.4 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -57.7 MB). Peak memory consumption was 551.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:57,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.52 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:11:57,927 INFO L168 Benchmark]: Boogie Preprocessor took 74.10 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 205.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -460.8 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:57,928 INFO L168 Benchmark]: RCFGBuilder took 207.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:57,928 INFO L168 Benchmark]: TraceAbstraction took 72317.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 749.0 MB in the end (delta: 670.2 MB). Peak memory consumption was 670.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:57,931 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1027.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 268.4 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -57.7 MB). Peak memory consumption was 551.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.52 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.10 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 205.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -460.8 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 207.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72317.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 749.0 MB in the end (delta: 670.2 MB). Peak memory consumption was 670.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...