./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f0681106713dda8f6af7535e98def966db59035 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 00:35:46,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 00:35:46,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 00:35:46,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 00:35:46,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 00:35:46,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 00:35:46,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 00:35:46,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 00:35:46,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 00:35:46,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 00:35:46,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 00:35:46,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 00:35:46,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 00:35:46,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 00:35:46,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 00:35:46,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 00:35:46,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 00:35:46,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 00:35:46,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 00:35:46,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 00:35:46,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 00:35:46,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 00:35:46,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 00:35:46,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 00:35:46,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 00:35:46,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 00:35:46,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 00:35:46,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 00:35:46,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 00:35:46,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 00:35:46,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 00:35:46,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 00:35:46,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 00:35:46,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 00:35:46,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 00:35:46,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 00:35:46,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 00:35:46,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 00:35:46,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 00:35:46,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 00:35:46,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 00:35:46,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-12-02 00:35:46,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 00:35:46,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 00:35:46,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 00:35:46,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 00:35:46,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 00:35:46,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 00:35:46,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 00:35:46,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 00:35:46,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 00:35:46,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 00:35:46,826 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 00:35:46,827 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 00:35:46,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 00:35:46,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 00:35:46,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 00:35:46,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 00:35:46,828 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_5718d10f-4a12-4edc-ae70-79c5ed69d665/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 ! overflow) ) 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 -> 8f0681106713dda8f6af7535e98def966db59035 [2019-12-02 00:35:46,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 00:35:46,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 00:35:46,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 00:35:46,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 00:35:46,950 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 00:35:46,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2019-12-02 00:35:46,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/data/d8ae13544/80078762c8e143e192e88bb319c72126/FLAGab9b078a4 [2019-12-02 00:35:47,394 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 00:35:47,395 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2019-12-02 00:35:47,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/data/d8ae13544/80078762c8e143e192e88bb319c72126/FLAGab9b078a4 [2019-12-02 00:35:47,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/bin/ukojak/data/d8ae13544/80078762c8e143e192e88bb319c72126 [2019-12-02 00:35:47,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 00:35:47,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 00:35:47,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 00:35:47,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 00:35:47,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 00:35:47,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:47" (1/1) ... [2019-12-02 00:35:47,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ecae9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:47, skipping insertion in model container [2019-12-02 00:35:47,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:35:47" (1/1) ... [2019-12-02 00:35:47,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 00:35:47,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 00:35:47,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:35:47,986 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 00:35:48,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:35:48,028 INFO L208 MainTranslator]: Completed translation [2019-12-02 00:35:48,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48 WrapperNode [2019-12-02 00:35:48,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 00:35:48,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 00:35:48,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 00:35:48,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 00:35:48,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 00:35:48,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 00:35:48,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 00:35:48,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 00:35:48,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 00:35:48,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 00:35:48,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 00:35:48,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 00:35:48,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:35:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5718d10f-4a12-4edc-ae70-79c5ed69d665/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 [2019-12-02 00:35:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 00:35:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 00:35:48,199 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 00:35:48,490 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-02 00:35:48,490 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-02 00:35:48,642 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 00:35:48,642 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 00:35:48,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:48 BoogieIcfgContainer [2019-12-02 00:35:48,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 00:35:48,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 00:35:48,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 00:35:48,651 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 00:35:48,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:48" (1/1) ... [2019-12-02 00:35:48,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 00:35:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions. [2019-12-02 00:35:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2019-12-02 00:35:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 00:35:48,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2019-12-02 00:35:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2019-12-02 00:35:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 00:35:48,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2019-12-02 00:35:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2019-12-02 00:35:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 00:35:48,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2019-12-02 00:35:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2019-12-02 00:35:49,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 00:35:49,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions. [2019-12-02 00:35:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2019-12-02 00:35:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 00:35:49,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions. [2019-12-02 00:35:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2019-12-02 00:35:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 00:35:49,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions. [2019-12-02 00:35:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions. [2019-12-02 00:35:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 00:35:49,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2019-12-02 00:35:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2019-12-02 00:35:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 00:35:49,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2019-12-02 00:35:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2019-12-02 00:35:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 00:35:49,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2019-12-02 00:35:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2019-12-02 00:35:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 00:35:49,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2019-12-02 00:35:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2019-12-02 00:35:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 00:35:49,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions. [2019-12-02 00:35:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions. [2019-12-02 00:35:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 00:35:49,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2019-12-02 00:35:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2019-12-02 00:35:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 00:35:50,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions. [2019-12-02 00:35:50,491 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions. [2019-12-02 00:35:50,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 00:35:50,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2019-12-02 00:35:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2019-12-02 00:35:50,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 00:35:50,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:50,772 INFO L264 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-02 00:35:50,777 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-02 00:35:50,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:50,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions. [2019-12-02 00:35:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions. [2019-12-02 00:35:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 00:35:51,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:51,391 INFO L264 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-02 00:35:51,393 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-02 00:35:51,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:51,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 237 states and 401 transitions. [2019-12-02 00:35:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 401 transitions. [2019-12-02 00:35:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 00:35:51,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:51,440 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-02 00:35:51,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-02 00:35:51,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:51,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-02 00:35:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 239 states and 404 transitions. [2019-12-02 00:35:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 404 transitions. [2019-12-02 00:35:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 00:35:51,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 242 states and 414 transitions. [2019-12-02 00:35:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 414 transitions. [2019-12-02 00:35:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 00:35:51,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 00:35:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 253 states and 431 transitions. [2019-12-02 00:35:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions. [2019-12-02 00:35:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 00:35:52,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2019-12-02 00:35:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2019-12-02 00:35:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 00:35:52,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 269 states and 452 transitions. [2019-12-02 00:35:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 452 transitions. [2019-12-02 00:35:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 00:35:52,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:35:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 283 states and 477 transitions. [2019-12-02 00:35:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 477 transitions. [2019-12-02 00:35:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 00:35:53,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:35:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 284 states and 478 transitions. [2019-12-02 00:35:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 478 transitions. [2019-12-02 00:35:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 00:35:53,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:35:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-02 00:35:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:35:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2019-12-02 00:35:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2019-12-02 00:35:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 00:35:54,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:35:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:35:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:35:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:35:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:35:54,442 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2019-12-02 00:35:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:35:54 ImpRootNode [2019-12-02 00:35:54,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 00:35:54,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 00:35:54,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 00:35:54,490 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 00:35:54,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:35:48" (3/4) ... [2019-12-02 00:35:54,493 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-02 00:35:54,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 00:35:54,495 INFO L168 Benchmark]: Toolchain (without parser) took 6722.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 939.9 MB in the beginning and 818.9 MB in the end (delta: 120.9 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. [2019-12-02 00:35:54,495 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 00:35:54,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-02 00:35:54,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.02 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. [2019-12-02 00:35:54,496 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 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. [2019-12-02 00:35:54,497 INFO L168 Benchmark]: RCFGBuilder took 555.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. [2019-12-02 00:35:54,497 INFO L168 Benchmark]: CodeCheck took 5845.97 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 104.3 MB). Free memory was 988.8 MB in the beginning and 818.9 MB in the end (delta: 169.9 MB). Peak memory consumption was 274.2 MB. Max. memory is 11.5 GB. [2019-12-02 00:35:54,497 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 818.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 00:35:54,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 127 locations, 18 error locations. Result: UNSAFE, OverallTime: 5.7s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 453953956 SDtfs, 369803146 SDslu, 408477656 SDs, 0 SdLazy, 749290440 SolverSat, 196879102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6942 GetRequests, 6501 SyntacticMatches, 251 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18222 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 57184 SizeOfPredicates, 12 NumberOfNonLiveVariables, 404 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 189/195 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 307]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 219. Possible FailurePath: [L628] int __retres1 ; [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] int s__version = __VERIFIER_nondet_int(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L28] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L53] int tmp___3 ; [L54] int tmp___4 ; [L55] int tmp___5 ; [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z = __VERIFIER_nondet_int(); [L64] unsigned int ag_V ; [L65] unsigned int ag_W ; [L66] int __retres62 ; [L69] ag_V = 2U [L70] ag_W = 5U [L71] s__state = 12292 [L72] blastFlag = 0 [L73] tmp = __VERIFIER_nondet_int() [L74] cb = 0 [L75] ret = -1 [L76] skip = 0 [L77] tmp___0 = 0 [L78] COND FALSE !(s__info_callback != 0) [L81] COND FALSE !(s__ctx__info_callback != 0) [L87] s__in_handshake = s__in_handshake + 1 [L88] tmp___1 = __VERIFIER_nondet_int() [L89] COND TRUE tmp___1 & 12288 [L90] tmp___2 = __VERIFIER_nondet_int() [L91] COND TRUE tmp___2 & 16384 [L100] COND TRUE 1 [L102] state = s__state [L103] COND TRUE s__state == 12292 [L206] s__new_session = 1 [L207] s__state = 4096 [L208] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L213] s__server = 0 [L214] COND FALSE !(cb != 0) [L219] COND FALSE !((s__version & 65280) != 768) [L225] s__type = 4096 [L226] COND FALSE !(s__init_buf___0 == 0) [L245] tmp___4 = __VERIFIER_nondet_int() [L246] COND FALSE !(! tmp___4) [L252] tmp___5 = __VERIFIER_nondet_int() [L253] COND FALSE !(! tmp___5) [L259] s__state = 4368 [L260] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L261] s__init_num = 0 [L577] COND FALSE !(! s__s3__tmp__reuse_message) [L606] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND TRUE s__state == 4368 [L265] s__shutdown = 0 [L266] ret = __VERIFIER_nondet_int() [L267] COND TRUE blastFlag == 0 [L268] blastFlag = 1 [L272] COND FALSE !(ret <= 0) [L277] s__state = 4384 [L278] s__init_num = 0 [L279] COND TRUE s__bbio != s__wbio [L577] COND FALSE !(! s__s3__tmp__reuse_message) [L606] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND TRUE s__state == 4384 [L287] ret = __VERIFIER_nondet_int() [L288] COND TRUE blastFlag == 1 [L289] blastFlag = 2 [L293] COND FALSE !(ret <= 0) [L298] COND FALSE !(\read(s__hit)) [L301] s__state = 4400 [L303] s__init_num = 0 [L577] COND FALSE !(! s__s3__tmp__reuse_message) [L606] skip = 0 [L100] COND TRUE 1 [L102] state = s__state [L103] COND FALSE !(s__state == 12292) [L106] COND FALSE !(s__state == 16384) [L109] COND FALSE !(s__state == 4096) [L112] COND FALSE !(s__state == 20480) [L115] COND FALSE !(s__state == 4099) [L118] COND FALSE !(s__state == 4368) [L121] COND FALSE !(s__state == 4369) [L124] COND FALSE !(s__state == 4384) [L127] COND FALSE !(s__state == 4385) [L130] COND TRUE s__state == 4400 [L307] s__s3__tmp__new_cipher__algorithms - 256 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.02 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 24.82 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 555.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. * CodeCheck took 5845.97 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 104.3 MB). Free memory was 988.8 MB in the beginning and 818.9 MB in the end (delta: 169.9 MB). Peak memory consumption was 274.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 818.9 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...