./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d906cff84b4353e33f2b63d23acb59c8877e00f4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d906cff84b4353e33f2b63d23acb59c8877e00f4 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:17:37,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:17:37,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:17:37,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:17:37,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:17:37,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:17:37,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:17:37,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:17:37,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:17:37,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:17:37,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:17:37,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:17:37,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:17:37,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:17:37,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:17:37,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:17:37,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:17:37,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:17:37,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:17:37,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:17:37,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:17:37,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:17:37,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:17:37,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:17:37,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:17:37,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:17:37,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:17:37,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:17:37,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:17:37,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:17:37,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:17:37,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:17:37,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:17:37,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:17:37,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:17:37,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:17:37,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:17:37,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:17:37,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:17:37,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:17:37,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:17:37,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:17:37,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:17:37,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:17:37,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:17:37,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:17:37,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:17:37,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:17:37,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:17:37,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:17:37,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:17:37,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:17:37,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:17:37,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:17:37,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:17:37,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:17:37,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:17:37,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:17:37,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:17:37,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:17:37,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:17:37,405 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:17:37,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:17:37,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:17:37,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:17:37,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:17:37,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:17:37,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:17:37,407 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:17:37,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:17:37,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:17:37,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d906cff84b4353e33f2b63d23acb59c8877e00f4 [2020-12-01 17:17:37,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:17:37,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:17:37,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:17:37,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:17:37,793 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:17:37,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-01 17:17:37,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/121be4621/2e68e4aba98c4170903f6175e571eae8/FLAG373e94a5b [2020-12-01 17:17:38,293 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:17:38,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-01 17:17:38,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/121be4621/2e68e4aba98c4170903f6175e571eae8/FLAG373e94a5b [2020-12-01 17:17:38,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/121be4621/2e68e4aba98c4170903f6175e571eae8 [2020-12-01 17:17:38,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:17:38,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:17:38,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:17:38,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:17:38,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:17:38,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab55b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38, skipping insertion in model container [2020-12-01 17:17:38,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:17:38,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:17:38,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:17:38,896 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:17:38,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:17:38,929 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:17:38,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38 WrapperNode [2020-12-01 17:17:38,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:17:38,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:17:38,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:17:38,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:17:38,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:17:38,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:17:38,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:17:38,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:17:38,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... [2020-12-01 17:17:38,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:17:38,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:17:38,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:17:38,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:17:38,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/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 [2020-12-01 17:17:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:17:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:17:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:17:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:17:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:17:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:17:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:17:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:17:39,747 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:17:39,747 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:17:39,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:17:39 BoogieIcfgContainer [2020-12-01 17:17:39,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:17:39,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:17:39,750 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:17:39,758 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:17:39,759 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:17:39" (1/1) ... [2020-12-01 17:17:39,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:17:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2020-12-01 17:17:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2020-12-01 17:17:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:17:39,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:39,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 17:17:39,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:17:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 34 transitions. [2020-12-01 17:17:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-12-01 17:17:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:17:40,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:40,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 17:17:40,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:40,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:40,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:40,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:40,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:40,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:40,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:40,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:40,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:40,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:40,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:40,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:40,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:17:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:17:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2020-12-01 17:17:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2020-12-01 17:17:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:17:41,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:42,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 17:17:42,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:42,780 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-01 17:17:42,862 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 4, 2, 4, 1] term [2020-12-01 17:17:42,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:42,871 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-01 17:17:42,873 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:42,881 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:17:42,882 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:42,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:42,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:42,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:42,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:42,917 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:42,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:42,933 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:42,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:42,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:42,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,099 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:17:43,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,165 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,273 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,280 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:17:43,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:43,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:17:43,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-01 17:17:43,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:17:43,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,597 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,672 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:43,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:43,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:17:43,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,791 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:17:43,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:17:43,941 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:43,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,948 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:43,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,009 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,067 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:44,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:44,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,112 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,115 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:44,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:17:44,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-01 17:17:44,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:44,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:44,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:44,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-01 17:17:44,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-01 17:17:44,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:17:44,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:17:44,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:44,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:44,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:17:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:17:45,180 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-01 17:17:45,647 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 17:17:45,836 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-01 17:17:46,082 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 17:17:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 60 transitions. [2020-12-01 17:17:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2020-12-01 17:17:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:17:46,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:46,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:17:46,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:17:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 67 transitions. [2020-12-01 17:17:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2020-12-01 17:17:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:17:46,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:47,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 17:17:47,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:47,099 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:47,101 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 1] term [2020-12-01 17:17:47,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:17:47,103 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 5, 3, 1] term [2020-12-01 17:17:47,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:47,105 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-01 17:17:47,373 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2020-12-01 17:17:47,767 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-01 17:17:47,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 17:17:48,279 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-12-01 17:17:48,839 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-01 17:17:49,419 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 17:17:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 74 transitions. [2020-12-01 17:17:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2020-12-01 17:17:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:17:49,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:49,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 17:17:49,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:17:50,084 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 5, 2, 1] term [2020-12-01 17:17:50,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,086 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 5, 2, 1] term [2020-12-01 17:17:50,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,087 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 1] term [2020-12-01 17:17:50,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,502 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-12-01 17:17:50,730 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,732 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,733 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,737 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 6, 2, 6, 3, 6, 3, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,740 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 6, 2, 6, 3, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,741 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,744 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 6, 2, 6, 3, 6, 3, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,746 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 6, 2, 6, 3, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:50,747 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-01 17:17:50,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:17:51,561 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 33 [2020-12-01 17:17:51,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:51,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:17:51,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:17:51,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:17:51,630 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.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.addTraceCheckData(CegarLoopStatisticsGenerator.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:460) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:17:51,635 INFO L168 Benchmark]: Toolchain (without parser) took 12925.94 ms. Allocated memory was 90.2 MB in the beginning and 192.9 MB in the end (delta: 102.8 MB). Free memory was 50.5 MB in the beginning and 103.7 MB in the end (delta: -53.2 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:51,636 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 67.2 MB in the end (delta: 66.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:17:51,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.85 ms. Allocated memory is still 90.2 MB. Free memory was 50.3 MB in the beginning and 40.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:51,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 90.2 MB. Free memory was 40.3 MB in the beginning and 38.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:51,638 INFO L168 Benchmark]: Boogie Preprocessor took 24.07 ms. Allocated memory is still 90.2 MB. Free memory was 38.8 MB in the beginning and 37.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:17:51,639 INFO L168 Benchmark]: RCFGBuilder took 754.75 ms. Allocated memory is still 90.2 MB. Free memory was 37.6 MB in the beginning and 53.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:51,640 INFO L168 Benchmark]: CodeCheck took 11883.71 ms. Allocated memory was 90.2 MB in the beginning and 192.9 MB in the end (delta: 102.8 MB). Free memory was 53.4 MB in the beginning and 103.7 MB in the end (delta: -50.3 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:51,643 INFO L339 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.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 67.2 MB in the end (delta: 66.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 220.85 ms. Allocated memory is still 90.2 MB. Free memory was 50.3 MB in the beginning and 40.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 90.2 MB. Free memory was 40.3 MB in the beginning and 38.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.07 ms. Allocated memory is still 90.2 MB. Free memory was 38.8 MB in the beginning and 37.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 754.75 ms. Allocated memory is still 90.2 MB. Free memory was 37.6 MB in the beginning and 53.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * CodeCheck took 11883.71 ms. Allocated memory was 90.2 MB in the beginning and 192.9 MB in the end (delta: 102.8 MB). Free memory was 53.4 MB in the beginning and 103.7 MB in the end (delta: -50.3 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:17:54,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:17:54,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:17:54,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:17:54,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:17:54,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:17:54,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:17:54,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:17:54,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:17:54,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:17:54,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:17:54,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:17:54,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:17:54,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:17:54,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:17:54,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:17:54,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:17:54,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:17:54,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:17:54,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:17:54,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:17:54,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:17:54,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:17:54,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:17:54,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:17:54,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:17:54,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:17:54,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:17:54,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:17:54,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:17:54,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:17:54,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:17:54,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:17:54,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:17:54,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:17:54,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:17:54,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:17:54,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:17:54,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:17:54,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:17:54,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:17:54,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:17:54,491 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:17:54,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:17:54,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:17:54,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:17:54,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:17:54,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:17:54,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:17:54,497 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:17:54,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:17:54,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:17:54,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:17:54,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:17:54,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:17:54,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:17:54,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:17:54,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:17:54,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:17:54,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:17:54,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:17:54,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:17:54,502 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:17:54,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:17:54,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:17:54,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:17:54,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:17:54,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:17:54,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:17:54,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:17:54,504 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:17:54,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:17:54,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:17:54,505 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:17:54,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:17:54,506 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d906cff84b4353e33f2b63d23acb59c8877e00f4 [2020-12-01 17:17:54,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:17:54,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:17:54,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:17:54,901 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:17:54,902 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:17:54,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-01 17:17:54,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/a02fef754/2b4b3d5133ea490ea4e866eaed3616e9/FLAG5a8fef14b [2020-12-01 17:17:55,541 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:17:55,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-01 17:17:55,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/a02fef754/2b4b3d5133ea490ea4e866eaed3616e9/FLAG5a8fef14b [2020-12-01 17:17:55,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/bin/ukojak/data/a02fef754/2b4b3d5133ea490ea4e866eaed3616e9 [2020-12-01 17:17:55,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:17:55,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:17:55,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:17:55,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:17:55,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:17:55,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:17:55" (1/1) ... [2020-12-01 17:17:55,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ded7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:55, skipping insertion in model container [2020-12-01 17:17:55,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:17:55" (1/1) ... [2020-12-01 17:17:55,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:17:55,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:17:56,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:17:56,239 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:17:56,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:17:56,348 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:17:56,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56 WrapperNode [2020-12-01 17:17:56,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:17:56,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:17:56,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:17:56,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:17:56,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:17:56,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:17:56,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:17:56,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:17:56,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... [2020-12-01 17:17:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:17:56,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:17:56,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:17:56,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:17:56,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b6a6f75-7676-4e83-b0d2-4cce9a6eed73/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 [2020-12-01 17:17:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:17:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:17:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:17:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:17:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:17:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:17:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:17:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:18:09,017 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:18:09,017 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:18:09,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:18:09 BoogieIcfgContainer [2020-12-01 17:18:09,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:18:09,020 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:18:09,021 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:18:09,030 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:18:09,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:18:09" (1/1) ... [2020-12-01 17:18:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:18:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2020-12-01 17:18:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2020-12-01 17:18:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:18:09,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:09,140 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:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) 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:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:18:09,146 INFO L168 Benchmark]: Toolchain (without parser) took 13237.47 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 27.8 MB in the beginning and 39.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,147 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 32.5 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:18:09,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.97 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 27.6 MB in the beginning and 52.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.96 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,150 INFO L168 Benchmark]: Boogie Preprocessor took 51.00 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,151 INFO L168 Benchmark]: RCFGBuilder took 12558.73 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 44.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,152 INFO L168 Benchmark]: CodeCheck took 122.40 ms. Allocated memory is still 69.2 MB. Free memory was 44.3 MB in the beginning and 39.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:18:09,156 INFO L339 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:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 32.5 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.97 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 27.6 MB in the beginning and 52.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.96 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.00 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12558.73 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 44.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 122.40 ms. Allocated memory is still 69.2 MB. Free memory was 44.3 MB in the beginning and 39.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...