./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/prefixsum_iter.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_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/prefixsum_iter.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feeff784b6aacd13ccc34eb10f1d85352defdd19 .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/prefixsum_iter.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feeff784b6aacd13ccc34eb10f1d85352defdd19 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:18,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:18,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:18,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:18,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:18,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:18,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:18,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:18,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:18,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:18,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:18,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:18,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:18,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:18,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:18,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:18,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:18,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:18,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:18,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:18,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:18,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:18,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:18,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:18,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:18,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:18,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:18,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:18,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:18,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:18,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:18,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:18,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:18,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:18,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:18,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:18,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:18,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:18,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:18,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:18,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:18,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:18,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:18,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:18,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:18,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:18,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:18,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:18,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:18,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:18,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:18,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:18,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:18,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:18,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:18,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:18,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:18,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:18,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:18,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:18,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak 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 -> Kojak 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 -> feeff784b6aacd13ccc34eb10f1d85352defdd19 [2019-10-22 10:12:18,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:18,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:18,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:18,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:18,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:18,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/../../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-10-22 10:12:18,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/f180fec71/f150cb13333748c28be4790bb9c20c08/FLAG8dd8ed5b2 [2019-10-22 10:12:19,037 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:19,038 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-10-22 10:12:19,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/f180fec71/f150cb13333748c28be4790bb9c20c08/FLAG8dd8ed5b2 [2019-10-22 10:12:19,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/f180fec71/f150cb13333748c28be4790bb9c20c08 [2019-10-22 10:12:19,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:19,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:19,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:19,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:19,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:19,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcadd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19, skipping insertion in model container [2019-10-22 10:12:19,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,077 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:19,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:19,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:19,420 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:19,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:19,468 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:19,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19 WrapperNode [2019-10-22 10:12:19,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:19,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:19,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:19,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:19,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:19,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:19,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:19,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:19,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... [2019-10-22 10:12:19,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:19,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:19,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:19,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:19,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-10-22 10:12:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:12:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:12:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:12:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 10:12:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 10:12:20,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:20,119 INFO L284 CfgBuilder]: Removed 21 assume(true) statements. [2019-10-22 10:12:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:20 BoogieIcfgContainer [2019-10-22 10:12:20,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:20,121 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:20,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:20,132 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:20,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:20" (1/1) ... [2019-10-22 10:12:20,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2019-10-22 10:12:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-10-22 10:12:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:20,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2019-10-22 10:12:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2019-10-22 10:12:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:20,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,878 ERROR L609 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-10-22 10:12:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 39 conjunts are in the unsatisfiable core [2019-10-22 10:12:20,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 10:12:21,058 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-10-22 10:12:21,059 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:21,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:21,067 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 10:12:21,068 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2019-10-22 10:12:21,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 10:12:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2019-10-22 10:12:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2019-10-22 10:12:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:22,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:12:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 36 states and 68 transitions. [2019-10-22 10:12:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-10-22 10:12:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:24,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 37 states and 71 transitions. [2019-10-22 10:12:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2019-10-22 10:12:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:24,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,638 ERROR L609 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-10-22 10:12:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 10:12:24,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 10:12:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:12:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 74 transitions. [2019-10-22 10:12:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-10-22 10:12:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:12:25,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,341 ERROR L609 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-10-22 10:12:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 10:12:25,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 10:12:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:12:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 41 states and 79 transitions. [2019-10-22 10:12:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2019-10-22 10:12:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:12:26,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 89 transitions. [2019-10-22 10:12:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2019-10-22 10:12:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:12:27,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 48 states and 100 transitions. [2019-10-22 10:12:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2019-10-22 10:12:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:12:29,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 49 states and 104 transitions. [2019-10-22 10:12:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2019-10-22 10:12:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:12:30,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 53 states and 119 transitions. [2019-10-22 10:12:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2019-10-22 10:12:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:12:32,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:12:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 56 states and 127 transitions. [2019-10-22 10:12:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 127 transitions. [2019-10-22 10:12:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:34,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:12:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 58 states and 133 transitions. [2019-10-22 10:12:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 133 transitions. [2019-10-22 10:12:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:35,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:12:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 59 states and 133 transitions. [2019-10-22 10:12:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 133 transitions. [2019-10-22 10:12:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:36,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 135 transitions. [2019-10-22 10:12:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 135 transitions. [2019-10-22 10:12:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:37,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 137 transitions. [2019-10-22 10:12:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 137 transitions. [2019-10-22 10:12:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:38,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:12:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:41,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 65 states and 152 transitions. [2019-10-22 10:12:41,715 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 152 transitions. [2019-10-22 10:12:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:41,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:12:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 66 states and 154 transitions. [2019-10-22 10:12:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 154 transitions. [2019-10-22 10:12:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:42,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 67 states and 154 transitions. [2019-10-22 10:12:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 154 transitions. [2019-10-22 10:12:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:44,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 159 transitions. [2019-10-22 10:12:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 159 transitions. [2019-10-22 10:12:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:46,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:46,892 ERROR L609 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-10-22 10:12:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:46,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 73 conjunts are in the unsatisfiable core [2019-10-22 10:12:46,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 10:12:46,926 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-22 10:12:46,927 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:46,930 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:46,930 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 10:12:46,931 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-22 10:12:47,264 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-10-22 10:12:47,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:47,268 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:47,268 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 10:12:47,268 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:12 [2019-10-22 10:12:47,628 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:47,629 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 10:12:47,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:47,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:47,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 10:12:47,633 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2019-10-22 10:12:48,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-10-22 10:12:48,049 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:48,054 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:48,055 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 10:12:48,055 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2019-10-22 10:12:48,366 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2019-10-22 10:12:48,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:48,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:48,373 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 10:12:48,373 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:30 [2019-10-22 10:12:48,548 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2019-10-22 10:12:48,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:48,560 INFO L567 ElimStorePlain]: treesize reduction 3, result has 93.5 percent of original size [2019-10-22 10:12:48,561 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-22 10:12:48,561 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:56, output treesize:43 [2019-10-22 10:12:49,009 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2019-10-22 10:12:49,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:49,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:49,019 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-10-22 10:12:49,019 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:79, output treesize:69 [2019-10-22 10:12:49,572 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2019-10-22 10:12:49,573 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 10:12:49,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 10:12:49,588 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-10-22 10:12:49,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:93, output treesize:85 [2019-10-22 10:12:50,386 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-10-22 10:12:51,087 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-10-22 10:12:51,094 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:620) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:455) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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 10:12:51,098 INFO L168 Benchmark]: Toolchain (without parser) took 32039.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.7 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -233.3 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,099 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:51,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,100 INFO L168 Benchmark]: Boogie Preprocessor took 53.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,100 INFO L168 Benchmark]: RCFGBuilder took 551.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,101 INFO L168 Benchmark]: CodeCheck took 30976.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.1 MB). Peak memory consumption was 184.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:51,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) * 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 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 551.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * CodeCheck took 30976.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.1 MB). Peak memory consumption was 184.6 MB. Max. memory is 11.5 GB. 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 10:12:52,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:52,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:52,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:53,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:53,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:53,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:53,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:53,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:53,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:53,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:53,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:53,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:53,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:53,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:53,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:53,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:53,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:53,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:53,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:53,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:53,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:53,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:53,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:53,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:53,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:53,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:53,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:53,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:53,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:53,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:53,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:53,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:53,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:53,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:53,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:53,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:53,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:53,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:53,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:53,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-10-22 10:12:53,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:53,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:53,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:53,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:53,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:53,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:53,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:53,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:53,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:53,046 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:53,046 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:53,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:53,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 10:12:53,047 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 10:12:53,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:53,048 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-10-22 10:12:53,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 10:12:53,048 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_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak 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 -> Kojak 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 -> feeff784b6aacd13ccc34eb10f1d85352defdd19 [2019-10-22 10:12:53,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:53,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:53,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:53,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:53,100 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:53,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/../../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-10-22 10:12:53,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/995b5ef20/7044d9556f4a4c2680b7d65c2337f1a0/FLAGee3184f63 [2019-10-22 10:12:53,544 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:53,545 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-10-22 10:12:53,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/995b5ef20/7044d9556f4a4c2680b7d65c2337f1a0/FLAGee3184f63 [2019-10-22 10:12:53,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/data/995b5ef20/7044d9556f4a4c2680b7d65c2337f1a0 [2019-10-22 10:12:53,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:53,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:53,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:53,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:53,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:53,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:53" (1/1) ... [2019-10-22 10:12:53,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249b99c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:53, skipping insertion in model container [2019-10-22 10:12:53,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:53" (1/1) ... [2019-10-22 10:12:53,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:53,985 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:54,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:54,173 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:54,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:54,228 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54 WrapperNode [2019-10-22 10:12:54,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:54,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:54,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:54,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:54,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:54,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:54,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:54,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:54,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... [2019-10-22 10:12:54,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:54,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:54,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:54,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:54,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f29ea214-e454-4e7b-acff-d07589c045e5/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-10-22 10:12:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:12:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 10:12:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 10:12:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 10:12:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 10:12:55,022 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:55,023 INFO L284 CfgBuilder]: Removed 21 assume(true) statements. [2019-10-22 10:12:55,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:55 BoogieIcfgContainer [2019-10-22 10:12:55,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:55,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:55,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:55,033 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:55,034 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:55" (1/1) ... [2019-10-22 10:12:55,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2019-10-22 10:12:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-10-22 10:12:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:55,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:55,121 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec 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.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) 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.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:450) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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 10:12:55,125 INFO L168 Benchmark]: Toolchain (without parser) took 1171.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,125 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:55,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,128 INFO L168 Benchmark]: Boogie Preprocessor took 29.39 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 10:12:55,128 INFO L168 Benchmark]: RCFGBuilder took 643.34 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,129 INFO L168 Benchmark]: CodeCheck took 98.48 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 10:12:55,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.39 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 643.34 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * CodeCheck took 98.48 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...