./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum40.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_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum40.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 3bc22eacddab290eba000ecad4885815ce9878ac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum40.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 3bc22eacddab290eba000ecad4885815ce9878ac ............................................................................................................................................................................................................ 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 11:25:32,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:25:32,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:25:32,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:25:32,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:25:32,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:25:32,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:25:32,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:25:32,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:25:32,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:25:32,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:25:32,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:25:32,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:25:32,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:25:32,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:25:32,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:25:32,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:25:32,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:25:32,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:25:32,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:25:32,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:25:32,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:25:32,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:25:32,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:25:32,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:25:32,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:25:32,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:25:32,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:25:32,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:25:32,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:25:32,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:25:32,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:25:32,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:25:32,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:25:32,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:25:32,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:25:32,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:25:32,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:25:32,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:25:32,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:25:32,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:25:32,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 11:25:33,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:25:33,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:25:33,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:25:33,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:25:33,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:25:33,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:25:33,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:25:33,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:25:33,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:25:33,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:25:33,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:25:33,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:25:33,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:25:33,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:25:33,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:25:33,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:25:33,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:25:33,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:25:33,017 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:25:33,017 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:25:33,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:25:33,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:25:33,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:25:33,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:25:33,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:25:33,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:25:33,019 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:25:33,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:25:33,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:25:33,019 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_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 -> 3bc22eacddab290eba000ecad4885815ce9878ac [2019-11-20 11:25:33,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:25:33,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:25:33,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:25:33,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:25:33,219 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:25:33,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-11-20 11:25:33,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/343f5dc40/80f1347d043a44698c17f79827d59f91/FLAG886937471 [2019-11-20 11:25:33,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:25:33,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-11-20 11:25:33,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/343f5dc40/80f1347d043a44698c17f79827d59f91/FLAG886937471 [2019-11-20 11:25:34,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/343f5dc40/80f1347d043a44698c17f79827d59f91 [2019-11-20 11:25:34,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:25:34,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:25:34,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:25:34,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:25:34,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:25:34,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166423e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34, skipping insertion in model container [2019-11-20 11:25:34,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:25:34,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:25:34,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:25:34,378 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:25:34,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:25:34,417 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:25:34,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34 WrapperNode [2019-11-20 11:25:34,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:25:34,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:25:34,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:25:34,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:25:34,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:25:34,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:25:34,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:25:34,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:25:34,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... [2019-11-20 11:25:34,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:25:34,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:25:34,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:25:34,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:25:34,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 11:25:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:25:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:25:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:25:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:25:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 11:25:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 11:25:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:25:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:25:36,461 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:25:36,461 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 11:25:36,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:36 BoogieIcfgContainer [2019-11-20 11:25:36,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:25:36,463 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:25:36,463 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:25:36,476 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:25:36,477 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:36" (1/1) ... [2019-11-20 11:25:36,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:25:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:36,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 11:25:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 11:25:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:25:36,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:36,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 11:25:36,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:36,726 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 11:25:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-11-20 11:25:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-20 11:25:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:25:36,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:36,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 11:25:36,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:36,878 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 11:25:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-11-20 11:25:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-20 11:25:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 11:25:36,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,025 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 11:25:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-11-20 11:25:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-11-20 11:25:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:25:37,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,149 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 11:25:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-11-20 11:25:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-20 11:25:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:25:37,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,316 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 11:25:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-11-20 11:25:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-20 11:25:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 11:25:37,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,483 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 11:25:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-11-20 11:25:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-20 11:25:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:25:37,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,676 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 11:25:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-11-20 11:25:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-20 11:25:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 11:25:37,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:37,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 11:25:37,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:37,865 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 11:25:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-11-20 11:25:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-20 11:25:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 11:25:37,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:38,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:25:38,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:38,082 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 11:25:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2019-11-20 11:25:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-20 11:25:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 11:25:38,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:38,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 11:25:38,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:38,312 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 11:25:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2019-11-20 11:25:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-11-20 11:25:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 11:25:38,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:38,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 11:25:38,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:38,521 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 11:25:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2019-11-20 11:25:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-11-20 11:25:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 11:25:38,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:38,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 11:25:38,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:38,760 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 11:25:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2019-11-20 11:25:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-11-20 11:25:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:25:38,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:38,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 11:25:38,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:38,984 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 11:25:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2019-11-20 11:25:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-11-20 11:25:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:25:39,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:39,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 11:25:39,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:39,225 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 11:25:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-11-20 11:25:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-11-20 11:25:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:25:39,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:39,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 11:25:39,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:39,448 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 11:25:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2019-11-20 11:25:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2019-11-20 11:25:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:25:39,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:39,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 11:25:39,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:39,680 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 11:25:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2019-11-20 11:25:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2019-11-20 11:25:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 11:25:39,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:39,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 11:25:39,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:39,975 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 11:25:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2019-11-20 11:25:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-11-20 11:25:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:25:40,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:40,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 11:25:40,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:40,256 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 11:25:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2019-11-20 11:25:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-11-20 11:25:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:25:40,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:40,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 11:25:40,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:40,547 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 11:25:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2019-11-20 11:25:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2019-11-20 11:25:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 11:25:40,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:40,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 11:25:40,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:40,808 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 11:25:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2019-11-20 11:25:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2019-11-20 11:25:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:25:40,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:41,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 11:25:41,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:41,086 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 11:25:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2019-11-20 11:25:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2019-11-20 11:25:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 11:25:41,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:41,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 11:25:41,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:41,351 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 11:25:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2019-11-20 11:25:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2019-11-20 11:25:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 11:25:41,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:41,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 11:25:41,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2019-11-20 11:25:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-11-20 11:25:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 11:25:41,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:41,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-20 11:25:41,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2019-11-20 11:25:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2019-11-20 11:25:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 11:25:42,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:42,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 11:25:42,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2019-11-20 11:25:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2019-11-20 11:25:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 11:25:42,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:42,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-20 11:25:42,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2019-11-20 11:25:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2019-11-20 11:25:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:25:42,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:42,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-20 11:25:42,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2019-11-20 11:25:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2019-11-20 11:25:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 11:25:43,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:43,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-20 11:25:43,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2019-11-20 11:25:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2019-11-20 11:25:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 11:25:43,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:43,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-20 11:25:43,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2019-11-20 11:25:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2019-11-20 11:25:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 11:25:43,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:43,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-20 11:25:43,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2019-11-20 11:25:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2019-11-20 11:25:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 11:25:44,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:44,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-20 11:25:44,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2019-11-20 11:25:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2019-11-20 11:25:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 11:25:44,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:44,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-20 11:25:44,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2019-11-20 11:25:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2019-11-20 11:25:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 11:25:44,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:44,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 11:25:44,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2019-11-20 11:25:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2019-11-20 11:25:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 11:25:45,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:45,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-20 11:25:45,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2019-11-20 11:25:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2019-11-20 11:25:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 11:25:45,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:45,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-20 11:25:45,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2019-11-20 11:25:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2019-11-20 11:25:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 11:25:46,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:46,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-20 11:25:46,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2019-11-20 11:25:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2019-11-20 11:25:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 11:25:46,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:46,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-20 11:25:46,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2019-11-20 11:25:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2019-11-20 11:25:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 11:25:47,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:47,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-20 11:25:47,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2019-11-20 11:25:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2019-11-20 11:25:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 11:25:47,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:47,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-20 11:25:47,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2019-11-20 11:25:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2019-11-20 11:25:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 11:25:47,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:48,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-20 11:25:48,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2019-11-20 11:25:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2019-11-20 11:25:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 11:25:48,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:48,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-20 11:25:48,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2019-11-20 11:25:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2019-11-20 11:25:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 11:25:48,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:48,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-20 11:25:48,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 11:25:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2019-11-20 11:25:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2019-11-20 11:25:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 11:25:49,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:49,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 11:25:49,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2019-11-20 11:25:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 60 states and 66 transitions. [2019-11-20 11:25:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2019-11-20 11:25:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 11:25:49,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:50,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 11:25:50,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2019-11-20 11:25:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2019-11-20 11:25:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2019-11-20 11:25:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 11:25:50,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:50,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 11:25:50,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2019-11-20 11:25:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2019-11-20 11:25:50,821 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2019-11-20 11:25:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 11:25:50,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:50,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 11:25:50,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2019-11-20 11:25:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 63 states and 69 transitions. [2019-11-20 11:25:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2019-11-20 11:25:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 11:25:51,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:51,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 11:25:51,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2019-11-20 11:25:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2019-11-20 11:25:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2019-11-20 11:25:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 11:25:51,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:51,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:25:51,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2019-11-20 11:25:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2019-11-20 11:25:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2019-11-20 11:25:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 11:25:52,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:52,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 11:25:52,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2019-11-20 11:25:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2019-11-20 11:25:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-11-20 11:25:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 11:25:53,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:53,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 11:25:53,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2019-11-20 11:25:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2019-11-20 11:25:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2019-11-20 11:25:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 11:25:53,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:53,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 11:25:53,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2019-11-20 11:25:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2019-11-20 11:25:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2019-11-20 11:25:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 11:25:55,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:55,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 11:25:55,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-11-20 11:25:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2019-11-20 11:25:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2019-11-20 11:25:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 11:25:55,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:55,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 11:25:55,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2019-11-20 11:25:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2019-11-20 11:25:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-11-20 11:25:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 11:25:56,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:56,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 11:25:56,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2019-11-20 11:25:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 71 states and 77 transitions. [2019-11-20 11:25:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2019-11-20 11:25:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-20 11:25:56,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:56,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 11:25:56,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-11-20 11:25:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 72 states and 78 transitions. [2019-11-20 11:25:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2019-11-20 11:25:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 11:25:57,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:57,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 11:25:57,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2019-11-20 11:25:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 73 states and 79 transitions. [2019-11-20 11:25:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2019-11-20 11:25:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 11:25:58,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:58,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 11:25:58,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2019-11-20 11:25:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 74 states and 80 transitions. [2019-11-20 11:25:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2019-11-20 11:25:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 11:25:58,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:59,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 11:25:59,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2102 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2019-11-20 11:25:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:25:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 75 states and 81 transitions. [2019-11-20 11:25:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-11-20 11:25:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 11:25:59,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:25:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:25:59,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 11:25:59,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:25:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2019-11-20 11:26:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 76 states and 82 transitions. [2019-11-20 11:26:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2019-11-20 11:26:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 11:26:00,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:00,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 11:26:00,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2423 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2019-11-20 11:26:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 77 states and 83 transitions. [2019-11-20 11:26:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-11-20 11:26:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 11:26:00,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:01,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 11:26:01,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2019-11-20 11:26:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 78 states and 84 transitions. [2019-11-20 11:26:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2019-11-20 11:26:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 11:26:01,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:01,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 11:26:01,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 884 proven. 210 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2019-11-20 11:26:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 79 states and 85 transitions. [2019-11-20 11:26:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2019-11-20 11:26:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 11:26:02,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:02,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-20 11:26:02,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 970 proven. 231 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2019-11-20 11:26:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2019-11-20 11:26:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2019-11-20 11:26:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 11:26:03,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:03,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 11:26:03,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 1060 proven. 253 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2019-11-20 11:26:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2019-11-20 11:26:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2019-11-20 11:26:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 11:26:03,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:03,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-20 11:26:03,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 1154 proven. 276 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2019-11-20 11:26:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2019-11-20 11:26:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2019-11-20 11:26:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 11:26:05,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:05,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-20 11:26:05,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3602 backedges. 1252 proven. 300 refuted. 0 times theorem prover too weak. 2050 trivial. 0 not checked. [2019-11-20 11:26:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2019-11-20 11:26:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2019-11-20 11:26:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 11:26:05,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:05,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-20 11:26:05,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 1354 proven. 325 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-11-20 11:26:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2019-11-20 11:26:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2019-11-20 11:26:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 11:26:06,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:06,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-20 11:26:06,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4067 backedges. 1460 proven. 351 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2019-11-20 11:26:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 85 states and 91 transitions. [2019-11-20 11:26:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2019-11-20 11:26:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 11:26:07,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:07,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-20 11:26:07,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4313 backedges. 1570 proven. 378 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2019-11-20 11:26:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2019-11-20 11:26:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2019-11-20 11:26:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 11:26:07,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:07,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-20 11:26:07,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 1684 proven. 406 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2019-11-20 11:26:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2019-11-20 11:26:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2019-11-20 11:26:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 11:26:08,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:09,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-20 11:26:09,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4832 backedges. 1802 proven. 435 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2019-11-20 11:26:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2019-11-20 11:26:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2019-11-20 11:26:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 11:26:09,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:09,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 11:26:09,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5105 backedges. 1924 proven. 465 refuted. 0 times theorem prover too weak. 2716 trivial. 0 not checked. [2019-11-20 11:26:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2019-11-20 11:26:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2019-11-20 11:26:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 11:26:10,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:10,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-20 11:26:10,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 2050 proven. 496 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2019-11-20 11:26:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2019-11-20 11:26:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2019-11-20 11:26:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 11:26:12,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:12,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-20 11:26:12,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2180 proven. 528 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2019-11-20 11:26:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2019-11-20 11:26:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2019-11-20 11:26:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 11:26:12,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:13,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-20 11:26:13,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 2314 proven. 561 refuted. 0 times theorem prover too weak. 3103 trivial. 0 not checked. [2019-11-20 11:26:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2019-11-20 11:26:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2019-11-20 11:26:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 11:26:14,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:14,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-20 11:26:14,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6287 backedges. 2452 proven. 595 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2019-11-20 11:26:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2019-11-20 11:26:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2019-11-20 11:26:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 11:26:15,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:15,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-20 11:26:15,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6605 backedges. 2594 proven. 630 refuted. 0 times theorem prover too weak. 3381 trivial. 0 not checked. [2019-11-20 11:26:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2019-11-20 11:26:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2019-11-20 11:26:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 11:26:16,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:16,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-20 11:26:16,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6932 backedges. 2740 proven. 666 refuted. 0 times theorem prover too weak. 3526 trivial. 0 not checked. [2019-11-20 11:26:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2019-11-20 11:26:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2019-11-20 11:26:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 11:26:16,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:17,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-20 11:26:17,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7268 backedges. 2890 proven. 703 refuted. 0 times theorem prover too weak. 3675 trivial. 0 not checked. [2019-11-20 11:26:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 96 states and 102 transitions. [2019-11-20 11:26:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2019-11-20 11:26:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 11:26:17,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:17,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-20 11:26:17,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7613 backedges. 3044 proven. 741 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2019-11-20 11:26:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2019-11-20 11:26:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2019-11-20 11:26:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 11:26:18,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:18,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-20 11:26:18,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7967 backedges. 3202 proven. 780 refuted. 0 times theorem prover too weak. 3985 trivial. 0 not checked. [2019-11-20 11:26:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 98 states and 103 transitions. [2019-11-20 11:26:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2019-11-20 11:26:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-20 11:26:19,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:19,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 11:26:19,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8330 backedges. 3366 proven. 1 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 99 states and 104 transitions. [2019-11-20 11:26:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2019-11-20 11:26:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 11:26:19,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:20,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 11:26:20,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 3366 proven. 3 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:20,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2019-11-20 11:26:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2019-11-20 11:26:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 11:26:20,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:20,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 11:26:20,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8335 backedges. 3366 proven. 6 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 101 states and 106 transitions. [2019-11-20 11:26:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2019-11-20 11:26:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 11:26:21,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:21,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 11:26:21,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8339 backedges. 3366 proven. 10 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 102 states and 107 transitions. [2019-11-20 11:26:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-20 11:26:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 11:26:22,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:22,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 11:26:22,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 3366 proven. 15 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2019-11-20 11:26:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2019-11-20 11:26:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 11:26:23,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:23,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 11:26:23,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8350 backedges. 3366 proven. 21 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 104 states and 109 transitions. [2019-11-20 11:26:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2019-11-20 11:26:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 11:26:23,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:24,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 11:26:24,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:24,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8357 backedges. 3366 proven. 28 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 105 states and 110 transitions. [2019-11-20 11:26:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2019-11-20 11:26:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 11:26:24,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:24,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 11:26:24,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8365 backedges. 3366 proven. 36 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2019-11-20 11:26:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2019-11-20 11:26:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-20 11:26:25,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:25,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 11:26:25,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8374 backedges. 3366 proven. 45 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 107 states and 112 transitions. [2019-11-20 11:26:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2019-11-20 11:26:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 11:26:26,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:26,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 11:26:26,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8384 backedges. 3366 proven. 55 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 108 states and 113 transitions. [2019-11-20 11:26:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2019-11-20 11:26:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 11:26:27,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:27,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 11:26:27,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8395 backedges. 3366 proven. 66 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2019-11-20 11:26:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2019-11-20 11:26:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 11:26:27,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:28,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 11:26:28,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8407 backedges. 3366 proven. 78 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 110 states and 115 transitions. [2019-11-20 11:26:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2019-11-20 11:26:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 11:26:28,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:29,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 11:26:29,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8420 backedges. 3366 proven. 91 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 111 states and 116 transitions. [2019-11-20 11:26:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2019-11-20 11:26:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 11:26:29,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:29,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 11:26:29,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8434 backedges. 3366 proven. 105 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2019-11-20 11:26:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2019-11-20 11:26:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-11-20 11:26:30,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:30,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 11:26:30,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8449 backedges. 3366 proven. 120 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 113 states and 118 transitions. [2019-11-20 11:26:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2019-11-20 11:26:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 11:26:31,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:31,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 11:26:31,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8465 backedges. 3366 proven. 136 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 114 states and 119 transitions. [2019-11-20 11:26:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2019-11-20 11:26:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-20 11:26:32,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:32,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 11:26:32,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8482 backedges. 3366 proven. 153 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2019-11-20 11:26:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2019-11-20 11:26:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-20 11:26:33,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:33,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 11:26:33,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8500 backedges. 3366 proven. 171 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 116 states and 121 transitions. [2019-11-20 11:26:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 121 transitions. [2019-11-20 11:26:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 11:26:33,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:34,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-20 11:26:34,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8519 backedges. 3366 proven. 190 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 117 states and 122 transitions. [2019-11-20 11:26:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2019-11-20 11:26:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-20 11:26:34,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:35,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 11:26:35,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 8539 backedges. 3366 proven. 210 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2019-11-20 11:26:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2019-11-20 11:26:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 11:26:35,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:35,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-20 11:26:35,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8560 backedges. 3366 proven. 231 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 119 states and 124 transitions. [2019-11-20 11:26:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2019-11-20 11:26:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-20 11:26:36,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:36,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 11:26:36,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8582 backedges. 3366 proven. 253 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 120 states and 125 transitions. [2019-11-20 11:26:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2019-11-20 11:26:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-20 11:26:37,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:37,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-20 11:26:37,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8605 backedges. 3366 proven. 276 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2019-11-20 11:26:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2019-11-20 11:26:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-20 11:26:38,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:38,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-20 11:26:38,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 3366 proven. 300 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 122 states and 127 transitions. [2019-11-20 11:26:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2019-11-20 11:26:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 11:26:39,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:39,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-20 11:26:39,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8654 backedges. 3366 proven. 325 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 123 states and 128 transitions. [2019-11-20 11:26:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2019-11-20 11:26:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 11:26:40,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:40,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-20 11:26:40,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8680 backedges. 3366 proven. 351 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2019-11-20 11:26:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2019-11-20 11:26:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-20 11:26:41,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:41,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-20 11:26:41,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8707 backedges. 3366 proven. 378 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2019-11-20 11:26:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2019-11-20 11:26:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 11:26:42,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:42,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-20 11:26:42,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8735 backedges. 3366 proven. 406 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2019-11-20 11:26:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2019-11-20 11:26:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 11:26:43,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:43,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-20 11:26:43,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8764 backedges. 3366 proven. 435 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2019-11-20 11:26:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2019-11-20 11:26:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 11:26:44,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:44,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 11:26:44,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 3366 proven. 465 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2019-11-20 11:26:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2019-11-20 11:26:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-20 11:26:45,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:45,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-20 11:26:45,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 3366 proven. 496 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2019-11-20 11:26:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2019-11-20 11:26:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-11-20 11:26:46,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:46,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-20 11:26:46,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8857 backedges. 3366 proven. 528 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2019-11-20 11:26:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2019-11-20 11:26:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 11:26:47,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:47,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-20 11:26:47,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 8890 backedges. 3366 proven. 561 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2019-11-20 11:26:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2019-11-20 11:26:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-11-20 11:26:48,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:48,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 36 conjunts are in the unsatisfiable core [2019-11-20 11:26:48,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8924 backedges. 3366 proven. 595 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2019-11-20 11:26:49,429 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2019-11-20 11:26:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 11:26:49,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:49,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-20 11:26:49,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8959 backedges. 3366 proven. 630 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2019-11-20 11:26:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2019-11-20 11:26:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 11:26:50,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:50,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-20 11:26:50,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8995 backedges. 3366 proven. 666 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 134 states and 139 transitions. [2019-11-20 11:26:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2019-11-20 11:26:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-20 11:26:51,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:51,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-20 11:26:51,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 9032 backedges. 3366 proven. 703 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2019-11-20 11:26:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2019-11-20 11:26:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 11:26:52,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:26:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:26:52,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-20 11:26:52,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:26:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9070 backedges. 3366 proven. 741 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-11-20 11:26:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:26:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 136 states and 140 transitions. [2019-11-20 11:26:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2019-11-20 11:26:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 11:26:53,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:27:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 11:27:03,984 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 11:27:03,988 INFO L168 Benchmark]: Toolchain (without parser) took 89896.35 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 946.1 MB in the beginning and 1.4 GB in the end (delta: -420.8 MB). Peak memory consumption was 639.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:03,989 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:27:03,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:03,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.92 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 11:27:03,990 INFO L168 Benchmark]: Boogie Preprocessor took 30.24 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 11:27:03,991 INFO L168 Benchmark]: RCFGBuilder took 1973.07 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 11:27:03,992 INFO L168 Benchmark]: CodeCheck took 87523.06 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 922.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -268.1 MB). Peak memory consumption was 654.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:03,995 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.92 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 30.24 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 1973.07 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 87523.06 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 922.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -268.1 MB). Peak memory consumption was 654.1 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 11:27:05,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:27:05,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:27:05,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:27:05,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:27:05,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:27:05,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:27:05,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:27:05,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:27:05,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:27:05,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:27:05,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:27:05,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:27:05,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:27:05,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:27:05,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:27:05,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:27:05,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:27:05,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:27:05,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:27:05,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:27:05,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:27:05,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:27:05,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:27:05,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:27:05,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:27:05,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:27:05,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:27:05,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:27:05,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:27:05,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:27:05,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:27:05,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:27:06,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:27:06,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:27:06,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:27:06,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:27:06,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:27:06,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:27:06,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:27:06,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:27:06,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 11:27:06,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:27:06,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:27:06,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:27:06,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:27:06,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:27:06,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:27:06,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:27:06,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:27:06,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:27:06,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:27:06,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:27:06,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:27:06,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:27:06,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:27:06,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:27:06,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:27:06,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:27:06,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:27:06,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:27:06,028 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:27:06,028 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:27:06,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:27:06,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:27:06,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:27:06,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:27:06,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:27:06,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:27:06,030 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 11:27:06,031 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:27:06,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:27:06,031 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 11:27:06,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:27:06,032 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_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 -> 3bc22eacddab290eba000ecad4885815ce9878ac [2019-11-20 11:27:06,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:27:06,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:27:06,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:27:06,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:27:06,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:27:06,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-11-20 11:27:06,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/c46a0a64a/c9b68a22e7d1440d9e1aafac0a3eb1de/FLAGadc44e80b [2019-11-20 11:27:06,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:27:06,958 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-11-20 11:27:06,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/c46a0a64a/c9b68a22e7d1440d9e1aafac0a3eb1de/FLAGadc44e80b [2019-11-20 11:27:07,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/bin/ukojak/data/c46a0a64a/c9b68a22e7d1440d9e1aafac0a3eb1de [2019-11-20 11:27:07,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:27:07,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:27:07,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:27:07,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:27:07,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:27:07,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f91de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07, skipping insertion in model container [2019-11-20 11:27:07,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:27:07,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:27:07,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:27:07,589 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:27:07,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:27:07,682 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:27:07,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07 WrapperNode [2019-11-20 11:27:07,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:27:07,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:27:07,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:27:07,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:27:07,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:27:07,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:27:07,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:27:07,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:27:07,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... [2019-11-20 11:27:07,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:27:07,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:27:07,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:27:07,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:27:07,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac62455-96d8-42c3-9ec5-07acf3644fa9/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 11:27:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 11:27:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:27:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:27:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 11:27:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 11:27:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:27:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:27:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 11:27:09,124 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:27:09,124 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 11:27:09,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:09 BoogieIcfgContainer [2019-11-20 11:27:09,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:27:09,126 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:27:09,126 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:27:09,135 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:27:09,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:09" (1/1) ... [2019-11-20 11:27:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:27:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:27:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 11:27:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 11:27:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:27:09,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:27:09,230 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 11:27:09,236 INFO L168 Benchmark]: Toolchain (without parser) took 1859.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -112.9 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:09,237 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:27:09,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:09,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.07 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 11:27:09,240 INFO L168 Benchmark]: Boogie Preprocessor took 33.58 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 11:27:09,240 INFO L168 Benchmark]: RCFGBuilder took 1368.80 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: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:09,241 INFO L168 Benchmark]: CodeCheck took 107.41 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 11:27:09,245 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 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.58 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. * RCFGBuilder took 1368.80 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: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * CodeCheck took 107.41 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...