./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum40.i -s /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum40.i -s /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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 0.1.25-f470102 [2019-12-01 18:41:55,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:41:55,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:41:55,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:41:55,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:41:55,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:41:55,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:41:55,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:41:55,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:41:55,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:41:55,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:41:55,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:41:55,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:41:55,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:41:55,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:41:55,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:41:55,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:41:55,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:41:55,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:41:55,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:41:55,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:41:55,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:41:55,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:41:55,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:41:55,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:41:55,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:41:55,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:41:55,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:41:55,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:41:55,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:41:55,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:41:55,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:41:55,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:41:55,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:41:55,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:41:55,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:41:55,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:41:55,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:41:55,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:41:55,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:41:55,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:41:55,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 18:41:55,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:41:55,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:41:55,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 18:41:55,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 18:41:55,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:41:55,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:41:55,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:41:55,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:41:55,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:41:55,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 18:41:55,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:41:55,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 18:41:55,837 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:41:55,837 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:41:55,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:41:55,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:41:55,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:41:55,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:41:55,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:41:55,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 18:41:55,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 18:41:55,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 18:41:55,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 18:41:55,838 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_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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 [2019-12-01 18:41:55,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:41:55,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:41:55,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:41:55,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:41:55,950 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:41:55,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-12-01 18:41:55,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/3d70a33a1/d8b13d3c1a904f5a899788d286c0d932/FLAG7a8767909 [2019-12-01 18:41:56,417 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:41:56,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-12-01 18:41:56,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/3d70a33a1/d8b13d3c1a904f5a899788d286c0d932/FLAG7a8767909 [2019-12-01 18:41:56,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/3d70a33a1/d8b13d3c1a904f5a899788d286c0d932 [2019-12-01 18:41:56,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:41:56,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:41:56,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:41:56,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:41:56,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:41:56,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606df9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56, skipping insertion in model container [2019-12-01 18:41:56,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:41:56,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:41:56,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:41:56,603 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:41:56,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:41:56,628 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:41:56,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56 WrapperNode [2019-12-01 18:41:56,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:41:56,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:41:56,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:41:56,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:41:56,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:41:56,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:41:56,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:41:56,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:41:56,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... [2019-12-01 18:41:56,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:41:56,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:41:56,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:41:56,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:41:56,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:41:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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 [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:41:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-12-01 18:41:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 18:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 18:41:58,348 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:41:58,349 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 18:41:58,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:41:58 BoogieIcfgContainer [2019-12-01 18:41:58,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:41:58,350 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:41:58,350 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:41:58,357 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:41:58,357 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:41:58" (1/1) ... [2019-12-01 18:41:58,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:41:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-12-01 18:41:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-01 18:41:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 18:41:58,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,516 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,521 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 18:41:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-12-01 18:41:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-12-01 18:41:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 18:41:58,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,621 INFO L264 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,622 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:41:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-12-01 18:41:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-12-01 18:41:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 18:41:58,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,684 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,686 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 18:41:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-12-01 18:41:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-12-01 18:41:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 18:41:58,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,754 INFO L264 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,756 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-12-01 18:41:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-12-01 18:41:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 18:41:58,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,830 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,832 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-12-01 18:41:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-12-01 18:41:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 18:41:58,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,911 INFO L264 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-01 18:41:58,913 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:58,926 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-12-01 18:41:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-12-01 18:41:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 18:41:58,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:58,998 INFO L264 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-12-01 18:41:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-12-01 18:41:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 18:41:59,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,091 INFO L264 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-12-01 18:41:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-12-01 18:41:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 18:41:59,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,195 INFO L264 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,197 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2019-12-01 18:41:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-12-01 18:41:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 18:41:59,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,307 INFO L264 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,309 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2019-12-01 18:41:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-12-01 18:41:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 18:41:59,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,419 INFO L264 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,421 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2019-12-01 18:41:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-12-01 18:41:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 18:41:59,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,540 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2019-12-01 18:41:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-12-01 18:41:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 18:41:59,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,649 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,650 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2019-12-01 18:41:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-12-01 18:41:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 18:41:59,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,779 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,780 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:41:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:41:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-12-01 18:41:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-12-01 18:41:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 18:41:59,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:41:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:41:59,910 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-01 18:41:59,911 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:41:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2019-12-01 18:42:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2019-12-01 18:42:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 18:42:00,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2019-12-01 18:42:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2019-12-01 18:42:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 18:42:00,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,163 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2019-12-01 18:42:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-12-01 18:42:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 18:42:00,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,289 INFO L264 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,290 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2019-12-01 18:42:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-12-01 18:42:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 18:42:00,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,429 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2019-12-01 18:42:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2019-12-01 18:42:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 18:42:00,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,579 INFO L264 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,580 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2019-12-01 18:42:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2019-12-01 18:42:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 18:42:00,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,731 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,732 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2019-12-01 18:42:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2019-12-01 18:42:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 18:42:00,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:00,884 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-01 18:42:00,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2019-12-01 18:42:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2019-12-01 18:42:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 18:42:01,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,043 INFO L264 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 22 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,044 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2019-12-01 18:42:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-12-01 18:42:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 18:42:01,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2019-12-01 18:42:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2019-12-01 18:42:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 18:42:01,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,385 INFO L264 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,386 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2019-12-01 18:42:01,526 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2019-12-01 18:42:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 18:42:01,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 25 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2019-12-01 18:42:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2019-12-01 18:42:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 18:42:01,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2019-12-01 18:42:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2019-12-01 18:42:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 18:42:01,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:01,956 INFO L264 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 27 conjunts are in the unsatisfiable core [2019-12-01 18:42:01,957 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2019-12-01 18:42:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2019-12-01 18:42:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 18:42:02,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:02,135 INFO L264 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-01 18:42:02,136 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2019-12-01 18:42:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2019-12-01 18:42:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 18:42:02,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:02,315 INFO L264 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 29 conjunts are in the unsatisfiable core [2019-12-01 18:42:02,316 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2019-12-01 18:42:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2019-12-01 18:42:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 18:42:02,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:02,512 INFO L264 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 30 conjunts are in the unsatisfiable core [2019-12-01 18:42:02,513 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2019-12-01 18:42:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2019-12-01 18:42:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 18:42:02,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:02,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 31 conjunts are in the unsatisfiable core [2019-12-01 18:42:02,697 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2019-12-01 18:42:02,860 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2019-12-01 18:42:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 18:42:02,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:02,898 INFO L264 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 32 conjunts are in the unsatisfiable core [2019-12-01 18:42:02,899 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2019-12-01 18:42:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2019-12-01 18:42:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 18:42:03,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:03,103 INFO L264 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 33 conjunts are in the unsatisfiable core [2019-12-01 18:42:03,104 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2019-12-01 18:42:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2019-12-01 18:42:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 18:42:03,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:03,308 INFO L264 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-01 18:42:03,310 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2019-12-01 18:42:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2019-12-01 18:42:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 18:42:03,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:03,536 INFO L264 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 35 conjunts are in the unsatisfiable core [2019-12-01 18:42:03,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2019-12-01 18:42:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2019-12-01 18:42:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 18:42:03,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:03,743 INFO L264 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 36 conjunts are in the unsatisfiable core [2019-12-01 18:42:03,744 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2019-12-01 18:42:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2019-12-01 18:42:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 18:42:03,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:03,960 INFO L264 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 37 conjunts are in the unsatisfiable core [2019-12-01 18:42:03,961 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2019-12-01 18:42:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2019-12-01 18:42:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 18:42:04,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:04,178 INFO L264 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 38 conjunts are in the unsatisfiable core [2019-12-01 18:42:04,179 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2019-12-01 18:42:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2019-12-01 18:42:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 18:42:04,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:04,415 INFO L264 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 39 conjunts are in the unsatisfiable core [2019-12-01 18:42:04,416 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2019-12-01 18:42:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2019-12-01 18:42:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 18:42:04,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:04,664 INFO L264 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 40 conjunts are in the unsatisfiable core [2019-12-01 18:42:04,665 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:04,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2019-12-01 18:42:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2019-12-01 18:42:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 18:42:04,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:04,932 INFO L264 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 41 conjunts are in the unsatisfiable core [2019-12-01 18:42:04,933 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:42:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:05,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2019-12-01 18:42:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2019-12-01 18:42:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 18:42:05,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:05,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 18:42:05,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2019-12-01 18:42:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 60 states and 66 transitions. [2019-12-01 18:42:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2019-12-01 18:42:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 18:42:05,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:05,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-01 18:42:05,468 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2019-12-01 18:42:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2019-12-01 18:42:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2019-12-01 18:42:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 18:42:05,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:05,747 INFO L264 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-01 18:42:05,748 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2019-12-01 18:42:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2019-12-01 18:42:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2019-12-01 18:42:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 18:42:05,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:06,032 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-01 18:42:06,033 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2019-12-01 18:42:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 63 states and 69 transitions. [2019-12-01 18:42:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2019-12-01 18:42:06,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 18:42:06,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:06,300 INFO L264 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-01 18:42:06,301 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2019-12-01 18:42:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2019-12-01 18:42:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2019-12-01 18:42:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 18:42:06,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:06,571 INFO L264 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-01 18:42:06,572 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2019-12-01 18:42:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2019-12-01 18:42:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2019-12-01 18:42:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 18:42:06,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:06,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-01 18:42:06,845 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2019-12-01 18:42:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2019-12-01 18:42:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-12-01 18:42:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 18:42:07,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:07,137 INFO L264 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 18:42:07,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2019-12-01 18:42:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2019-12-01 18:42:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2019-12-01 18:42:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 18:42:07,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:07,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 18:42:07,427 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2019-12-01 18:42:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2019-12-01 18:42:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2019-12-01 18:42:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 18:42:08,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:08,149 INFO L264 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-01 18:42:08,150 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-12-01 18:42:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2019-12-01 18:42:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2019-12-01 18:42:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 18:42:08,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:08,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-01 18:42:08,470 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2019-12-01 18:42:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2019-12-01 18:42:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-12-01 18:42:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 18:42:08,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:08,808 INFO L264 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-01 18:42:08,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2019-12-01 18:42:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 71 states and 77 transitions. [2019-12-01 18:42:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2019-12-01 18:42:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-12-01 18:42:09,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:09,171 INFO L264 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 18:42:09,172 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-12-01 18:42:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 72 states and 78 transitions. [2019-12-01 18:42:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2019-12-01 18:42:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 18:42:09,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:09,619 INFO L264 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-01 18:42:09,620 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2019-12-01 18:42:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 73 states and 79 transitions. [2019-12-01 18:42:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2019-12-01 18:42:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 18:42:09,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:09,956 INFO L264 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-01 18:42:09,957 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2019-12-01 18:42:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 74 states and 80 transitions. [2019-12-01 18:42:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2019-12-01 18:42:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 18:42:10,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:10,318 INFO L264 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-01 18:42:10,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2102 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2019-12-01 18:42:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 75 states and 81 transitions. [2019-12-01 18:42:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-12-01 18:42:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-01 18:42:10,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:10,656 INFO L264 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-01 18:42:10,657 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2019-12-01 18:42:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 76 states and 82 transitions. [2019-12-01 18:42:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2019-12-01 18:42:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 18:42:10,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:11,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-01 18:42:11,021 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2423 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2019-12-01 18:42:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 77 states and 83 transitions. [2019-12-01 18:42:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-12-01 18:42:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 18:42:11,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:11,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-01 18:42:11,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2019-12-01 18:42:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 78 states and 84 transitions. [2019-12-01 18:42:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2019-12-01 18:42:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 18:42:11,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:11,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 22 conjunts are in the unsatisfiable core [2019-12-01 18:42:11,774 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 884 proven. 210 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2019-12-01 18:42:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 79 states and 85 transitions. [2019-12-01 18:42:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2019-12-01 18:42:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 18:42:12,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:12,138 INFO L264 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-01 18:42:12,139 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 970 proven. 231 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2019-12-01 18:42:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2019-12-01 18:42:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2019-12-01 18:42:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 18:42:12,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:12,521 INFO L264 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-01 18:42:12,522 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 1060 proven. 253 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2019-12-01 18:42:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2019-12-01 18:42:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2019-12-01 18:42:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 18:42:12,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:12,907 INFO L264 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 25 conjunts are in the unsatisfiable core [2019-12-01 18:42:12,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3383 backedges. 1154 proven. 276 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2019-12-01 18:42:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2019-12-01 18:42:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2019-12-01 18:42:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 18:42:13,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:13,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-01 18:42:13,891 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3602 backedges. 1252 proven. 300 refuted. 0 times theorem prover too weak. 2050 trivial. 0 not checked. [2019-12-01 18:42:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2019-12-01 18:42:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2019-12-01 18:42:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 18:42:14,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:14,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 27 conjunts are in the unsatisfiable core [2019-12-01 18:42:14,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 1354 proven. 325 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-12-01 18:42:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2019-12-01 18:42:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2019-12-01 18:42:14,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 18:42:14,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:14,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-01 18:42:14,697 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4067 backedges. 1460 proven. 351 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2019-12-01 18:42:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 85 states and 91 transitions. [2019-12-01 18:42:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2019-12-01 18:42:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:42:15,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:15,145 INFO L264 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 29 conjunts are in the unsatisfiable core [2019-12-01 18:42:15,146 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4313 backedges. 1570 proven. 378 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2019-12-01 18:42:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2019-12-01 18:42:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2019-12-01 18:42:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 18:42:15,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:15,557 INFO L264 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 30 conjunts are in the unsatisfiable core [2019-12-01 18:42:15,559 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 1684 proven. 406 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2019-12-01 18:42:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2019-12-01 18:42:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2019-12-01 18:42:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 18:42:16,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:16,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 31 conjunts are in the unsatisfiable core [2019-12-01 18:42:16,473 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4832 backedges. 1802 proven. 435 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2019-12-01 18:42:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2019-12-01 18:42:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2019-12-01 18:42:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 18:42:16,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:16,902 INFO L264 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 32 conjunts are in the unsatisfiable core [2019-12-01 18:42:16,903 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5105 backedges. 1924 proven. 465 refuted. 0 times theorem prover too weak. 2716 trivial. 0 not checked. [2019-12-01 18:42:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2019-12-01 18:42:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2019-12-01 18:42:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 18:42:17,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:17,359 INFO L264 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjunts are in the unsatisfiable core [2019-12-01 18:42:17,361 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 2050 proven. 496 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2019-12-01 18:42:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2019-12-01 18:42:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2019-12-01 18:42:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 18:42:18,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:18,729 INFO L264 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-01 18:42:18,730 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2180 proven. 528 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2019-12-01 18:42:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2019-12-01 18:42:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2019-12-01 18:42:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 18:42:19,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:19,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 35 conjunts are in the unsatisfiable core [2019-12-01 18:42:19,199 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 2314 proven. 561 refuted. 0 times theorem prover too weak. 3103 trivial. 0 not checked. [2019-12-01 18:42:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2019-12-01 18:42:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2019-12-01 18:42:20,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-01 18:42:20,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:20,259 INFO L264 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 36 conjunts are in the unsatisfiable core [2019-12-01 18:42:20,260 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6287 backedges. 2452 proven. 595 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2019-12-01 18:42:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2019-12-01 18:42:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2019-12-01 18:42:20,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 18:42:20,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:20,738 INFO L264 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 37 conjunts are in the unsatisfiable core [2019-12-01 18:42:20,739 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6605 backedges. 2594 proven. 630 refuted. 0 times theorem prover too weak. 3381 trivial. 0 not checked. [2019-12-01 18:42:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2019-12-01 18:42:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2019-12-01 18:42:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-01 18:42:21,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:21,221 INFO L264 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 38 conjunts are in the unsatisfiable core [2019-12-01 18:42:21,222 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6932 backedges. 2740 proven. 666 refuted. 0 times theorem prover too weak. 3526 trivial. 0 not checked. [2019-12-01 18:42:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2019-12-01 18:42:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2019-12-01 18:42:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 18:42:21,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:21,715 INFO L264 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 39 conjunts are in the unsatisfiable core [2019-12-01 18:42:21,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7268 backedges. 2890 proven. 703 refuted. 0 times theorem prover too weak. 3675 trivial. 0 not checked. [2019-12-01 18:42:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 96 states and 102 transitions. [2019-12-01 18:42:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2019-12-01 18:42:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 18:42:22,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:22,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 40 conjunts are in the unsatisfiable core [2019-12-01 18:42:22,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7613 backedges. 3044 proven. 741 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2019-12-01 18:42:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2019-12-01 18:42:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2019-12-01 18:42:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 18:42:22,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:22,684 INFO L264 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 41 conjunts are in the unsatisfiable core [2019-12-01 18:42:22,685 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7967 backedges. 3202 proven. 780 refuted. 0 times theorem prover too weak. 3985 trivial. 0 not checked. [2019-12-01 18:42:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 98 states and 103 transitions. [2019-12-01 18:42:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2019-12-01 18:42:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 18:42:23,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:23,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 18:42:23,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8330 backedges. 3366 proven. 1 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 99 states and 104 transitions. [2019-12-01 18:42:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2019-12-01 18:42:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 18:42:23,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:23,709 INFO L264 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-01 18:42:23,710 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 3366 proven. 3 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2019-12-01 18:42:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2019-12-01 18:42:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 18:42:24,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:24,213 INFO L264 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-01 18:42:24,215 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8335 backedges. 3366 proven. 6 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 101 states and 106 transitions. [2019-12-01 18:42:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2019-12-01 18:42:24,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 18:42:24,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:24,757 INFO L264 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-01 18:42:24,759 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8339 backedges. 3366 proven. 10 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 102 states and 107 transitions. [2019-12-01 18:42:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-12-01 18:42:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 18:42:25,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:25,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-01 18:42:25,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 3366 proven. 15 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2019-12-01 18:42:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2019-12-01 18:42:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 18:42:25,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:25,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-01 18:42:25,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8350 backedges. 3366 proven. 21 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 104 states and 109 transitions. [2019-12-01 18:42:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2019-12-01 18:42:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 18:42:26,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:26,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-01 18:42:26,307 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8357 backedges. 3366 proven. 28 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 105 states and 110 transitions. [2019-12-01 18:42:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2019-12-01 18:42:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 18:42:26,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:26,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 18:42:26,858 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8365 backedges. 3366 proven. 36 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2019-12-01 18:42:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2019-12-01 18:42:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-01 18:42:27,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:27,393 INFO L264 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 18:42:27,394 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8374 backedges. 3366 proven. 45 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 107 states and 112 transitions. [2019-12-01 18:42:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2019-12-01 18:42:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 18:42:27,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:27,929 INFO L264 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-01 18:42:27,931 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8384 backedges. 3366 proven. 55 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 108 states and 113 transitions. [2019-12-01 18:42:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2019-12-01 18:42:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 18:42:28,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:28,485 INFO L264 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-01 18:42:28,487 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8395 backedges. 3366 proven. 66 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2019-12-01 18:42:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2019-12-01 18:42:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 18:42:28,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:29,035 INFO L264 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-01 18:42:29,036 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8407 backedges. 3366 proven. 78 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 110 states and 115 transitions. [2019-12-01 18:42:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2019-12-01 18:42:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-01 18:42:29,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:29,617 INFO L264 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 18:42:29,619 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8420 backedges. 3366 proven. 91 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 111 states and 116 transitions. [2019-12-01 18:42:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2019-12-01 18:42:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 18:42:30,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:30,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-01 18:42:30,195 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8434 backedges. 3366 proven. 105 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2019-12-01 18:42:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2019-12-01 18:42:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-12-01 18:42:30,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:30,763 INFO L264 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-01 18:42:30,765 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8449 backedges. 3366 proven. 120 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 113 states and 118 transitions. [2019-12-01 18:42:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2019-12-01 18:42:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 18:42:31,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:31,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-01 18:42:31,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8465 backedges. 3366 proven. 136 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 114 states and 119 transitions. [2019-12-01 18:42:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2019-12-01 18:42:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-01 18:42:31,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:31,923 INFO L264 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-01 18:42:31,925 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8482 backedges. 3366 proven. 153 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2019-12-01 18:42:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2019-12-01 18:42:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 18:42:32,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:32,509 INFO L264 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-01 18:42:32,510 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 8500 backedges. 3366 proven. 171 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 116 states and 121 transitions. [2019-12-01 18:42:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 121 transitions. [2019-12-01 18:42:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 18:42:32,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:33,104 INFO L264 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-01 18:42:33,106 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8519 backedges. 3366 proven. 190 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 117 states and 122 transitions. [2019-12-01 18:42:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2019-12-01 18:42:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 18:42:33,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:33,733 INFO L264 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 22 conjunts are in the unsatisfiable core [2019-12-01 18:42:33,734 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8539 backedges. 3366 proven. 210 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2019-12-01 18:42:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2019-12-01 18:42:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 18:42:34,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:34,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-01 18:42:34,321 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8560 backedges. 3366 proven. 231 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 119 states and 124 transitions. [2019-12-01 18:42:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2019-12-01 18:42:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-12-01 18:42:34,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:34,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-01 18:42:34,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8582 backedges. 3366 proven. 253 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 120 states and 125 transitions. [2019-12-01 18:42:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2019-12-01 18:42:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-01 18:42:35,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:35,520 INFO L264 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 25 conjunts are in the unsatisfiable core [2019-12-01 18:42:35,522 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8605 backedges. 3366 proven. 276 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2019-12-01 18:42:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2019-12-01 18:42:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:42:36,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:36,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-01 18:42:36,145 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 3366 proven. 300 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 122 states and 127 transitions. [2019-12-01 18:42:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2019-12-01 18:42:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 18:42:36,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:36,755 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 27 conjunts are in the unsatisfiable core [2019-12-01 18:42:36,757 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8654 backedges. 3366 proven. 325 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 123 states and 128 transitions. [2019-12-01 18:42:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2019-12-01 18:42:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-12-01 18:42:37,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:37,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-01 18:42:37,368 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8680 backedges. 3366 proven. 351 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2019-12-01 18:42:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2019-12-01 18:42:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 18:42:37,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:38,005 INFO L264 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 29 conjunts are in the unsatisfiable core [2019-12-01 18:42:38,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8707 backedges. 3366 proven. 378 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2019-12-01 18:42:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2019-12-01 18:42:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-01 18:42:38,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:38,625 INFO L264 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 30 conjunts are in the unsatisfiable core [2019-12-01 18:42:38,626 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8735 backedges. 3366 proven. 406 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2019-12-01 18:42:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2019-12-01 18:42:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 18:42:39,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:39,252 INFO L264 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 31 conjunts are in the unsatisfiable core [2019-12-01 18:42:39,253 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8764 backedges. 3366 proven. 435 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2019-12-01 18:42:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2019-12-01 18:42:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 18:42:39,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:39,936 INFO L264 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 32 conjunts are in the unsatisfiable core [2019-12-01 18:42:39,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 3366 proven. 465 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2019-12-01 18:42:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2019-12-01 18:42:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 18:42:40,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:40,583 INFO L264 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 33 conjunts are in the unsatisfiable core [2019-12-01 18:42:40,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 3366 proven. 496 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2019-12-01 18:42:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2019-12-01 18:42:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-01 18:42:41,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:41,230 INFO L264 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-01 18:42:41,231 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8857 backedges. 3366 proven. 528 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2019-12-01 18:42:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2019-12-01 18:42:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-01 18:42:41,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:41,917 INFO L264 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 35 conjunts are in the unsatisfiable core [2019-12-01 18:42:41,918 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8890 backedges. 3366 proven. 561 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2019-12-01 18:42:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2019-12-01 18:42:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 18:42:42,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:42,570 INFO L264 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 36 conjunts are in the unsatisfiable core [2019-12-01 18:42:42,572 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8924 backedges. 3366 proven. 595 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2019-12-01 18:42:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2019-12-01 18:42:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-12-01 18:42:43,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:43,237 INFO L264 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 37 conjunts are in the unsatisfiable core [2019-12-01 18:42:43,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8959 backedges. 3366 proven. 630 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2019-12-01 18:42:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2019-12-01 18:42:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-01 18:42:43,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:43,925 INFO L264 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 38 conjunts are in the unsatisfiable core [2019-12-01 18:42:43,926 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8995 backedges. 3366 proven. 666 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 134 states and 139 transitions. [2019-12-01 18:42:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2019-12-01 18:42:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 18:42:44,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:44,596 INFO L264 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 39 conjunts are in the unsatisfiable core [2019-12-01 18:42:44,598 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 9032 backedges. 3366 proven. 703 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2019-12-01 18:42:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2019-12-01 18:42:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-01 18:42:45,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:42:45,268 INFO L264 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 40 conjunts are in the unsatisfiable core [2019-12-01 18:42:45,269 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 18:42:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9070 backedges. 3366 proven. 741 refuted. 0 times theorem prover too weak. 4963 trivial. 0 not checked. [2019-12-01 18:42:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 136 states and 140 transitions. [2019-12-01 18:42:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2019-12-01 18:42:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 18:42:45,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-12-01 18:42:55,984 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) [2019-12-01 18:42:55,988 INFO L168 Benchmark]: Toolchain (without parser) took 59554.74 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 736.1 MB). Free memory was 946.2 MB in the beginning and 830.9 MB in the end (delta: 115.3 MB). Peak memory consumption was 851.4 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:55,989 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:42:55,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:55,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:42:55,990 INFO L168 Benchmark]: Boogie Preprocessor took 18.50 ms. Allocated memory is still 1.1 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. [2019-12-01 18:42:55,991 INFO L168 Benchmark]: RCFGBuilder took 1676.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:55,991 INFO L168 Benchmark]: CodeCheck took 57636.63 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 633.3 MB). Free memory was 1.1 GB in the beginning and 830.9 MB in the end (delta: 232.0 MB). Peak memory consumption was 865.3 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:55,995 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.50 ms. Allocated memory is still 1.1 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 1676.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * CodeCheck took 57636.63 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 633.3 MB). Free memory was 1.1 GB in the beginning and 830.9 MB in the end (delta: 232.0 MB). Peak memory consumption was 865.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-01 18:42:57,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:42:57,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:42:57,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:42:57,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:42:57,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:42:57,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:42:57,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:42:57,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:42:57,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:42:57,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:42:57,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:42:57,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:42:57,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:42:57,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:42:57,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:42:57,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:42:57,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:42:57,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:42:57,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:42:57,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:42:57,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:42:57,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:42:57,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:42:57,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:42:57,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:42:57,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:42:57,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:42:57,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:42:57,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:42:57,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:42:57,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:42:57,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:42:57,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:42:57,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:42:57,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:42:57,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:42:57,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:42:57,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:42:57,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:42:57,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:42:57,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-12-01 18:42:57,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:42:57,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:42:57,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 18:42:57,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 18:42:57,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:42:57,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:42:57,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:42:57,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 18:42:57,380 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 18:42:57,381 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:42:57,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 18:42:57,381 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:42:57,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 18:42:57,381 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:42:57,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:42:57,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:42:57,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 18:42:57,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 18:42:57,383 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 18:42:57,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 18:42:57,383 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_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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 [2019-12-01 18:42:57,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:42:57,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:42:57,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:42:57,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:42:57,561 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:42:57,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-12-01 18:42:57,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/842d3242c/0ac87486dce84466bb8b2999aca7243d/FLAG49b062873 [2019-12-01 18:42:58,047 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:42:58,047 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/sv-benchmarks/c/reducercommutativity/rangesum40.i [2019-12-01 18:42:58,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/842d3242c/0ac87486dce84466bb8b2999aca7243d/FLAG49b062873 [2019-12-01 18:42:58,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/bin/ukojak/data/842d3242c/0ac87486dce84466bb8b2999aca7243d [2019-12-01 18:42:58,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:42:58,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:42:58,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:42:58,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:42:58,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:42:58,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60739eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58, skipping insertion in model container [2019-12-01 18:42:58,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:42:58,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:42:58,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:42:58,203 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:42:58,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:42:58,265 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:42:58,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58 WrapperNode [2019-12-01 18:42:58,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:42:58,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:42:58,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:42:58,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:42:58,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:42:58,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:42:58,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:42:58,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:42:58,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... [2019-12-01 18:42:58,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:42:58,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:42:58,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:42:58,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:42:58,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:42:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_156a5fbd-ee75-4cb2-9b60-38c578cdec1e/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 [2019-12-01 18:42:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 18:42:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:42:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:42:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-12-01 18:42:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-12-01 18:42:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 18:42:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 18:42:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-01 18:42:59,293 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:42:59,294 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 18:42:59,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:42:59 BoogieIcfgContainer [2019-12-01 18:42:59,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:42:59,295 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:42:59,295 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:42:59,302 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:42:59,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:42:59" (1/1) ... [2019-12-01 18:42:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:42:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:42:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-12-01 18:42:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-01 18:42:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 18:42:59,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:42:59,368 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) [2019-12-01 18:42:59,371 INFO L168 Benchmark]: Toolchain (without parser) took 1308.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:59,372 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:42:59,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:59,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:59,373 INFO L168 Benchmark]: Boogie Preprocessor took 20.13 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. [2019-12-01 18:42:59,374 INFO L168 Benchmark]: RCFGBuilder took 982.71 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:42:59,374 INFO L168 Benchmark]: CodeCheck took 74.76 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. [2019-12-01 18:42:59,376 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 202.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 982.71 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * CodeCheck took 74.76 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...