./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 d07fdb41c87a54e0a2193fb96ee8f018da628236 .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 d07fdb41c87a54e0a2193fb96ee8f018da628236 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatingPoint not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:23,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:23,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:23,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:23,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:23,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:23,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:23,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:23,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:23,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:23,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:23,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:23,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:23,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:23,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:23,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:23,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:23,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:23,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:23,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:23,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:23,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:23,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:23,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:23,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:23,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:23,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:23,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:23,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:23,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:23,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:23,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:23,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:23,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:23,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:23,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:23,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:23,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:23,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:23,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:23,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:23,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:23,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:23,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:23,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:23,341 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:23,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:23,344 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:23,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:23,345 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:23,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:23,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:23,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:23,345 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:23,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:23,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:23,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:23,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:23,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:23,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:23,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:23,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:23,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:23,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:23,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:23,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:23,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:23,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:23,349 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:23,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:23,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:23,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:23,349 INFO L138 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_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 -> d07fdb41c87a54e0a2193fb96ee8f018da628236 [2019-10-22 11:27:23,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:23,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:23,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:23,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:23,386 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:23,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:23,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/f9e60ced5/efcbd3f758334632b365bf79d8098fb2/FLAGd33eb44a9 [2019-10-22 11:27:23,817 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:23,818 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:23,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/f9e60ced5/efcbd3f758334632b365bf79d8098fb2/FLAGd33eb44a9 [2019-10-22 11:27:23,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/f9e60ced5/efcbd3f758334632b365bf79d8098fb2 [2019-10-22 11:27:23,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:23,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:23,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:23,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:23,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:23,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:23" (1/1) ... [2019-10-22 11:27:23,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa4e5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:23, skipping insertion in model container [2019-10-22 11:27:23,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:23" (1/1) ... [2019-10-22 11:27:23,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:23,894 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:24,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:24,256 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:24,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:24,349 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:24,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24 WrapperNode [2019-10-22 11:27:24,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:24,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:24,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:24,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:24,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:24,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:24,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:24,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:24,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... [2019-10-22 11:27:24,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:24,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:24,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:24,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:24,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 [2019-10-22 11:27:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:25,551 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:25,551 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:27:25,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:25 BoogieIcfgContainer [2019-10-22 11:27:25,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:25,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:25,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:25,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:25,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:23" (1/3) ... [2019-10-22 11:27:25,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350b2fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:25, skipping insertion in model container [2019-10-22 11:27:25,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:24" (2/3) ... [2019-10-22 11:27:25,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350b2fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:25, skipping insertion in model container [2019-10-22 11:27:25,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:25" (3/3) ... [2019-10-22 11:27:25,559 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:25,568 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:25,575 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:27:25,586 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:27:25,616 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:25,617 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:25,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:25,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:25,617 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:25,617 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:25,617 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:25,617 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-10-22 11:27:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:27:25,641 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:25,641 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:25,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:25,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:25,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1997100867, now seen corresponding path program 1 times [2019-10-22 11:27:25,657 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:25,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230506505] [2019-10-22 11:27:25,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:25,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:25,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:26,455 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230506505] [2019-10-22 11:27:26,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:26,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-22 11:27:26,456 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311982433] [2019-10-22 11:27:26,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-22 11:27:26,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:26,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-22 11:27:26,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:27:26,478 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 17 states. [2019-10-22 11:27:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:27,353 INFO L93 Difference]: Finished difference Result 95 states and 129 transitions. [2019-10-22 11:27:27,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:27:27,355 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-10-22 11:27:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:27,364 INFO L225 Difference]: With dead ends: 95 [2019-10-22 11:27:27,365 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:27:27,368 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2019-10-22 11:27:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:27:27,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2019-10-22 11:27:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 11:27:27,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2019-10-22 11:27:27,399 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 44 [2019-10-22 11:27:27,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:27,400 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2019-10-22 11:27:27,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-22 11:27:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2019-10-22 11:27:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:27:27,401 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:27,404 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:27,404 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:27,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:27,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1678604412, now seen corresponding path program 1 times [2019-10-22 11:27:27,405 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:27,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793026925] [2019-10-22 11:27:27,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:27,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:27,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:27,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793026925] [2019-10-22 11:27:27,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942717908] [2019-10-22 11:27:27,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:27,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-22 11:27:27,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:28,062 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:28,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [322202951] [2019-10-22 11:27:28,798 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 50 [2019-10-22 11:27:28,848 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:27:28,848 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:27:29,257 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:29,258 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) 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:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) 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:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 11:27:29,263 INFO L168 Benchmark]: Toolchain (without parser) took 5416.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 944.5 MB in the beginning and 887.3 MB in the end (delta: 57.2 MB). Peak memory consumption was 204.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:29,263 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:29,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:29,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:29,265 INFO L168 Benchmark]: Boogie Preprocessor took 77.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:29,265 INFO L168 Benchmark]: RCFGBuilder took 1053.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:29,267 INFO L168 Benchmark]: TraceAbstraction took 3708.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.3 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:29,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1053.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3708.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.3 MB in the end (delta: 123.3 MB). Peak memory consumption was 123.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:31,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:31,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:31,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:31,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:31,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:31,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:31,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:31,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:31,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:31,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:31,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:31,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:31,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:31,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:31,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:31,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:31,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:31,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:31,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:31,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:31,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:31,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:31,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:31,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:31,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:31,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:31,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:31,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:31,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:31,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:31,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:31,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:31,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:31,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:31,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:31,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:31,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:31,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:31,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:31,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:31,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:31,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:31,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:31,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:31,357 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:31,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:31,358 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:31,358 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:31,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:31,358 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:31,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:31,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:31,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:31,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:31,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:31,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:31,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:31,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:31,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:31,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:31,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:31,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:31,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:31,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:31,363 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 -> d07fdb41c87a54e0a2193fb96ee8f018da628236 [2019-10-22 11:27:31,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:31,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:31,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:31,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:31,420 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:31,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:31,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/1d545aff6/ffad31aadc8f4ea0b8fd7e449f43eb3b/FLAGa6ad9a09f [2019-10-22 11:27:31,926 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:31,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:31,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/1d545aff6/ffad31aadc8f4ea0b8fd7e449f43eb3b/FLAGa6ad9a09f [2019-10-22 11:27:32,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/data/1d545aff6/ffad31aadc8f4ea0b8fd7e449f43eb3b [2019-10-22 11:27:32,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:32,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:32,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:32,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:32,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:32,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:32" (1/1) ... [2019-10-22 11:27:32,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213a42d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:32, skipping insertion in model container [2019-10-22 11:27:32,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:32" (1/1) ... [2019-10-22 11:27:32,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:32,501 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:32,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:32,882 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:33,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:33,022 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:33,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33 WrapperNode [2019-10-22 11:27:33,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:33,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:33,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:33,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:33,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:33,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:33,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:33,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:33,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:33,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:33,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:33,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:33,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/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 [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:33,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:36,483 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:36,483 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:27:36,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:36 BoogieIcfgContainer [2019-10-22 11:27:36,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:36,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:36,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:36,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:36,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:32" (1/3) ... [2019-10-22 11:27:36,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb62e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:36, skipping insertion in model container [2019-10-22 11:27:36,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (2/3) ... [2019-10-22 11:27:36,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb62e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:36, skipping insertion in model container [2019-10-22 11:27:36,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:36" (3/3) ... [2019-10-22 11:27:36,492 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2019-10-22 11:27:36,502 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:36,511 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:27:36,522 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:27:36,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:36,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:36,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:36,548 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:36,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:36,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:36,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:36,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-10-22 11:27:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:27:36,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:36,576 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:36,577 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1997100867, now seen corresponding path program 1 times [2019-10-22 11:27:36,596 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:36,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [135772323] [2019-10-22 11:27:36,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8a67f624-a022-4064-bf21-e0b3980ce5d7/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:36,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:36,898 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatingPoint not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 11:27:36,906 INFO L168 Benchmark]: Toolchain (without parser) took 4455.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 980.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 116.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,908 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:36,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,912 INFO L168 Benchmark]: Boogie Preprocessor took 53.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,913 INFO L168 Benchmark]: RCFGBuilder took 3329.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,913 INFO L168 Benchmark]: TraceAbstraction took 416.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 980.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3329.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 416.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 980.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatingPoint not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatingPoint not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...