./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum20.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 d02e722fa6530375aea2bbc43a68e422ad66c6f3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum20.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 d02e722fa6530375aea2bbc43a68e422ad66c6f3 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:30:45,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:30:45,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:30:45,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:30:45,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:30:45,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:30:45,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:30:45,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:30:45,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:30:45,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:30:45,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:30:45,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:30:45,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:30:45,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:30:45,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:30:45,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:30:45,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:30:45,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:30:45,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:30:45,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:30:45,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:30:45,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:30:45,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:30:45,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:30:45,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:30:45,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:30:45,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:30:45,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:30:45,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:30:45,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:30:45,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:30:45,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:30:45,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:30:45,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:30:45,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:30:45,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:30:45,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:30:45,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:30:45,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:30:45,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:30:45,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:30:45,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:30:45,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:30:45,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:30:45,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:30:45,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:30:45,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:30:45,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:30:45,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:30:45,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:30:45,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:30:45,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:30:45,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:30:45,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:30:45,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:30:45,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:30:45,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:30:45,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:30:45,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:30:45,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:30:45,934 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:30:45,934 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:30:45,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:30:45,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:30:45,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:30:45,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:30:45,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:30:45,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:30:45,936 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:30:45,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:30:45,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:30:45,936 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/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 -> d02e722fa6530375aea2bbc43a68e422ad66c6f3 [2019-11-20 04:30:46,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:30:46,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:30:46,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:30:46,101 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:30:46,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:30:46,102 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum20.i [2019-11-20 04:30:46,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/f9402394f/d54698deb1764484871ad01edef0310e/FLAGee0bd978b [2019-11-20 04:30:46,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:30:46,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/sv-benchmarks/c/reducercommutativity/rangesum20.i [2019-11-20 04:30:46,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/f9402394f/d54698deb1764484871ad01edef0310e/FLAGee0bd978b [2019-11-20 04:30:46,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/f9402394f/d54698deb1764484871ad01edef0310e [2019-11-20 04:30:46,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:30:46,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:30:46,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:30:46,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:30:46,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:30:46,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fe7f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46, skipping insertion in model container [2019-11-20 04:30:46,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:30:46,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:30:46,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:30:46,794 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:30:46,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:30:46,829 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:30:46,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46 WrapperNode [2019-11-20 04:30:46,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:30:46,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:30:46,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:30:46,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:30:46,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:30:46,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:30:46,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:30:46,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:30:46,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... [2019-11-20 04:30:46,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:30:46,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:30:46,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:30:46,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:30:46,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 [2019-11-20 04:30:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:30:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:30:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:30:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:30:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 04:30:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 04:30:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:30:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:30:47,420 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:30:47,420 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 04:30:47,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:30:47 BoogieIcfgContainer [2019-11-20 04:30:47,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:30:47,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:30:47,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:30:47,433 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:30:47,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:30:47" (1/1) ... [2019-11-20 04:30:47,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:30:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 04:30:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 04:30:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:30:47,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:47,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:30:47,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:30:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-11-20 04:30:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-20 04:30:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 04:30:47,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:47,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:30:47,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 04:30:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-11-20 04:30:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-20 04:30:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:30:47,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:47,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:30:47,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:30:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-11-20 04:30:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-11-20 04:30:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 04:30:47,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-11-20 04:30:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-20 04:30:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:30:48,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-11-20 04:30:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-20 04:30:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:30:48,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-11-20 04:30:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-20 04:30:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:30:48,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-11-20 04:30:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-20 04:30:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 04:30:48,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-11-20 04:30:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-20 04:30:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 04:30:48,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:48,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:30:48,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2019-11-20 04:30:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-20 04:30:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 04:30:48,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:49,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 04:30:49,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2019-11-20 04:30:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-11-20 04:30:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:30:49,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:49,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 04:30:49,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2019-11-20 04:30:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-11-20 04:30:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:30:49,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:49,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 04:30:49,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2019-11-20 04:30:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-11-20 04:30:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:30:49,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:49,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 04:30:49,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2019-11-20 04:30:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-11-20 04:30:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:30:49,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:49,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:30:49,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-11-20 04:30:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-11-20 04:30:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 04:30:49,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:50,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 04:30:50,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2019-11-20 04:30:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2019-11-20 04:30:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:30:50,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:50,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 04:30:50,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2019-11-20 04:30:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2019-11-20 04:30:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 04:30:50,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:50,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:30:50,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2019-11-20 04:30:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-11-20 04:30:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:30:50,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:50,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:30:50,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2019-11-20 04:30:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-11-20 04:30:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:30:50,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:51,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 04:30:51,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2019-11-20 04:30:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2019-11-20 04:30:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:30:51,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:51,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 04:30:51,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2019-11-20 04:30:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2019-11-20 04:30:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:30:51,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:51,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 04:30:51,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2019-11-20 04:30:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2019-11-20 04:30:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:30:51,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:51,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 04:30:51,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:30:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2019-11-20 04:30:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2019-11-20 04:30:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:30:51,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:52,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:30:52,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2019-11-20 04:30:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2019-11-20 04:30:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2019-11-20 04:30:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 04:30:52,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:52,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:30:52,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-11-20 04:30:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2019-11-20 04:30:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2019-11-20 04:30:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 04:30:52,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:52,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:30:52,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2019-11-20 04:30:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2019-11-20 04:30:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-11-20 04:30:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 04:30:52,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:52,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:30:52,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-11-20 04:30:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2019-11-20 04:30:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2019-11-20 04:30:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 04:30:53,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:53,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 04:30:53,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2019-11-20 04:30:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2019-11-20 04:30:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2019-11-20 04:30:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 04:30:53,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:53,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:30:53,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-11-20 04:30:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2019-11-20 04:30:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2019-11-20 04:30:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:30:54,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:54,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 04:30:54,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2019-11-20 04:30:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2019-11-20 04:30:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2019-11-20 04:30:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 04:30:54,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:54,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 04:30:54,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-11-20 04:30:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2019-11-20 04:30:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2019-11-20 04:30:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 04:30:54,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:54,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 04:30:54,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 04:30:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2019-11-20 04:30:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2019-11-20 04:30:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 04:30:55,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:55,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 04:30:55,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2019-11-20 04:30:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2019-11-20 04:30:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2019-11-20 04:30:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 04:30:56,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:56,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:30:56,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2019-11-20 04:30:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2019-11-20 04:30:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2019-11-20 04:30:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 04:30:57,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:57,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 04:30:57,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2019-11-20 04:30:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2019-11-20 04:30:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2019-11-20 04:30:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 04:30:57,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:57,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 04:30:57,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2019-11-20 04:30:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 52 states and 58 transitions. [2019-11-20 04:30:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2019-11-20 04:30:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 04:30:57,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:58,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:30:58,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2019-11-20 04:30:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 53 states and 59 transitions. [2019-11-20 04:30:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2019-11-20 04:30:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 04:30:58,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:58,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:30:58,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-11-20 04:30:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 54 states and 60 transitions. [2019-11-20 04:30:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2019-11-20 04:30:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 04:30:59,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:59,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 04:30:59,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1492 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2019-11-20 04:30:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:30:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 55 states and 61 transitions. [2019-11-20 04:30:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2019-11-20 04:30:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 04:30:59,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:30:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:30:59,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 04:30:59,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:30:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2019-11-20 04:31:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 56 states and 62 transitions. [2019-11-20 04:31:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2019-11-20 04:31:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 04:31:00,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:00,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 04:31:00,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2019-11-20 04:31:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 57 states and 63 transitions. [2019-11-20 04:31:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2019-11-20 04:31:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 04:31:00,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:00,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 04:31:00,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1987 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2019-11-20 04:31:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2019-11-20 04:31:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2019-11-20 04:31:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 04:31:00,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:01,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:31:01,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2170 backedges. 886 proven. 1 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2019-11-20 04:31:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2019-11-20 04:31:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 04:31:01,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:01,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:31:01,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 886 proven. 3 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:01,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2019-11-20 04:31:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2019-11-20 04:31:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 04:31:01,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:02,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:31:02,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 886 proven. 6 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2019-11-20 04:31:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2019-11-20 04:31:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 04:31:02,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:02,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:31:02,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2179 backedges. 886 proven. 10 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 62 states and 67 transitions. [2019-11-20 04:31:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-11-20 04:31:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 04:31:03,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:03,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 04:31:03,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 886 proven. 15 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2019-11-20 04:31:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2019-11-20 04:31:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 04:31:03,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:03,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 04:31:03,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 886 proven. 21 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2019-11-20 04:31:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-11-20 04:31:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 04:31:04,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:04,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 04:31:04,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2197 backedges. 886 proven. 28 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2019-11-20 04:31:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-11-20 04:31:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 04:31:04,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:04,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 04:31:04,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 886 proven. 36 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2019-11-20 04:31:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-11-20 04:31:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 04:31:04,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:05,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 04:31:05,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 886 proven. 45 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:05,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2019-11-20 04:31:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2019-11-20 04:31:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 04:31:05,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:05,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 04:31:05,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 886 proven. 55 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 68 states and 73 transitions. [2019-11-20 04:31:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2019-11-20 04:31:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 04:31:05,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:06,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:31:06,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 886 proven. 66 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2019-11-20 04:31:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2019-11-20 04:31:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 04:31:06,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:06,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 04:31:06,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 886 proven. 78 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2019-11-20 04:31:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2019-11-20 04:31:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 04:31:06,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:06,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 04:31:06,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 886 proven. 91 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 71 states and 76 transitions. [2019-11-20 04:31:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2019-11-20 04:31:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-20 04:31:07,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:07,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:31:07,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2274 backedges. 886 proven. 105 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 72 states and 77 transitions. [2019-11-20 04:31:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2019-11-20 04:31:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 04:31:08,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:08,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:31:08,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2289 backedges. 886 proven. 120 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2019-11-20 04:31:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2019-11-20 04:31:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 04:31:08,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:08,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 04:31:08,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 886 proven. 136 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 74 states and 79 transitions. [2019-11-20 04:31:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2019-11-20 04:31:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 04:31:09,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:09,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 04:31:09,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2322 backedges. 886 proven. 153 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 75 states and 80 transitions. [2019-11-20 04:31:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2019-11-20 04:31:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 04:31:09,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:31:09,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 04:31:09,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:31:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 886 proven. 171 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2019-11-20 04:31:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2019-11-20 04:31:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2019-11-20 04:31:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 04:31:10,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 04:31:20,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) 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) [2019-11-20 04:31:20,631 INFO L168 Benchmark]: Toolchain (without parser) took 34066.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -319.2 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:20,631 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:20,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:20,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:20,633 INFO L168 Benchmark]: Boogie Preprocessor took 47.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:20,634 INFO L168 Benchmark]: RCFGBuilder took 493.97 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:20,635 INFO L168 Benchmark]: CodeCheck took 33206.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 232.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -168.5 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:20,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 493.97 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 33206.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 232.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -168.5 MB). Peak memory consumption was 64.3 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 0.1.24-678e011 [2019-11-20 04:31:22,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:31:22,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:31:22,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:31:22,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:31:22,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:31:22,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:31:22,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:31:22,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:31:22,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:31:22,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:31:22,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:31:22,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:31:22,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:31:22,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:31:22,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:31:22,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:31:22,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:31:22,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:31:22,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:31:22,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:31:22,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:31:22,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:31:22,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:31:22,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:31:22,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:31:22,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:31:22,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:31:22,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:31:22,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:31:22,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:31:22,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:31:22,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:31:22,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:31:22,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:31:22,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:31:22,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:31:22,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:31:22,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:31:22,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:31:22,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:31:22,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 04:31:22,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:31:22,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:31:22,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:31:22,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:31:22,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:31:22,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:31:22,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:31:22,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:31:22,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:31:22,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:31:22,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:31:22,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:31:22,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:31:22,608 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:31:22,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:31:22,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:31:22,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:31:22,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:31:22,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:31:22,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:31:22,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:31:22,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:31:22,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:31:22,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:31:22,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:31:22,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:31:22,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:31:22,617 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 04:31:22,617 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:31:22,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:31:22,618 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 04:31:22,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:31:22,618 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/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 -> d02e722fa6530375aea2bbc43a68e422ad66c6f3 [2019-11-20 04:31:22,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:31:22,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:31:22,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:31:22,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:31:22,897 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:31:22,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum20.i [2019-11-20 04:31:22,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/8048bb1c2/68bd7142124d45e191ab5e7195fed03d/FLAGfee6de49e [2019-11-20 04:31:23,322 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:31:23,323 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/sv-benchmarks/c/reducercommutativity/rangesum20.i [2019-11-20 04:31:23,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/8048bb1c2/68bd7142124d45e191ab5e7195fed03d/FLAGfee6de49e [2019-11-20 04:31:23,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/bin/ukojak/data/8048bb1c2/68bd7142124d45e191ab5e7195fed03d [2019-11-20 04:31:23,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:31:23,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:31:23,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:31:23,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:31:23,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:31:23,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:23" (1/1) ... [2019-11-20 04:31:23,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e364a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23, skipping insertion in model container [2019-11-20 04:31:23,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:23" (1/1) ... [2019-11-20 04:31:23,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:31:23,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:31:23,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:31:23,971 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:31:24,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:31:24,042 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:31:24,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24 WrapperNode [2019-11-20 04:31:24,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:31:24,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:31:24,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:31:24,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:31:24,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:31:24,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:31:24,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:31:24,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:31:24,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... [2019-11-20 04:31:24,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:31:24,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:31:24,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:31:24,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:31:24,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e7e21de-0abe-48cc-8705-7ef25f3a09ec/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 [2019-11-20 04:31:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 04:31:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:31:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:31:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 04:31:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 04:31:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:31:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:31:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 04:31:25,535 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:31:25,535 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 04:31:25,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:25 BoogieIcfgContainer [2019-11-20 04:31:25,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:31:25,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:31:25,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:31:25,550 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:31:25,550 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:25" (1/1) ... [2019-11-20 04:31:25,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:31:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 04:31:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 04:31:25,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:31:25,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:31:25,643 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.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) 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: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) [2019-11-20 04:31:25,648 INFO L168 Benchmark]: Toolchain (without parser) took 1959.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,649 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:25,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.20 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,651 INFO L168 Benchmark]: Boogie Preprocessor took 33.24 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,652 INFO L168 Benchmark]: RCFGBuilder took 1353.59 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,653 INFO L168 Benchmark]: CodeCheck took 108.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:25,656 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 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.20 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.24 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1353.59 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * CodeCheck took 108.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...