./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/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 139ef67971e7ed714d59975d45ea043b5c6a1676 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/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 0.2.0-69874e2 [2020-12-01 16:13:35,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:35,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:35,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:35,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:35,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:35,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:35,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:35,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:35,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:35,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:35,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:35,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:35,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:35,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:35,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:35,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:35,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:35,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:35,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:35,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:35,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:35,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:35,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:35,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:35,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:35,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:35,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:35,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:35,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:35,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:35,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:35,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:35,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:35,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:35,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:35,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:35,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:35,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:35,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:35,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:35,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 16:13:35,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:35,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:35,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:35,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:35,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:35,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:35,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:35,916 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:35,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:13:35,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:35,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:35,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:35,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:35,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:35,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:35,918 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:13:35,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:35,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:35,918 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:35,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:35,919 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:35,919 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:35,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:35,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:35,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:35,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:35,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:35,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:35,921 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:35,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:35,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:35,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ef67971e7ed714d59975d45ea043b5c6a1676 [2020-12-01 16:13:36,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:36,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:36,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:36,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:36,182 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:36,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_srvr_1a_alt.BV.c.cil.c [2020-12-01 16:13:36,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/data/7a2b7e5c3/6b8cb80d8678415e9a731f87bd1c7873/FLAG7c4ba06f1 [2020-12-01 16:13:36,770 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:36,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/sv-benchmarks/c/bitvector/s3_srvr_1a_alt.BV.c.cil.c [2020-12-01 16:13:36,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/data/7a2b7e5c3/6b8cb80d8678415e9a731f87bd1c7873/FLAG7c4ba06f1 [2020-12-01 16:13:37,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/data/7a2b7e5c3/6b8cb80d8678415e9a731f87bd1c7873 [2020-12-01 16:13:37,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:37,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:37,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:37,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:37,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:37,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6a70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37, skipping insertion in model container [2020-12-01 16:13:37,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:37,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:37,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:37,469 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:37,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:37,539 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:37,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37 WrapperNode [2020-12-01 16:13:37,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:37,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:37,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:37,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:37,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:37,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:37,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:37,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:37,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... [2020-12-01 16:13:37,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:37,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:37,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:37,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:37,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab00ee19-3192-46a6-b5a2-9338d2c9c67c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:13:38,032 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 16:13:38,607 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2020-12-01 16:13:38,607 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2020-12-01 16:13:38,871 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:13:38,871 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 16:13:38,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:38 BoogieIcfgContainer [2020-12-01 16:13:38,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:13:38,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:13:38,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:13:38,885 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:13:38,885 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:38" (1/1) ... [2020-12-01 16:13:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:13:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 131 states and 211 transitions. [2020-12-01 16:13:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2020-12-01 16:13:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:13:38,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2020-12-01 16:13:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2020-12-01 16:13:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:13:39,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2020-12-01 16:13:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2020-12-01 16:13:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:13:39,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 140 states and 219 transitions. [2020-12-01 16:13:39,481 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 219 transitions. [2020-12-01 16:13:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:13:39,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 145 states and 224 transitions. [2020-12-01 16:13:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2020-12-01 16:13:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:13:39,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2020-12-01 16:13:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2020-12-01 16:13:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:13:39,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 158 states and 237 transitions. [2020-12-01 16:13:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2020-12-01 16:13:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:13:40,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 167 states and 246 transitions. [2020-12-01 16:13:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 246 transitions. [2020-12-01 16:13:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:13:40,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2020-12-01 16:13:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2020-12-01 16:13:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:13:41,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 177 states and 263 transitions. [2020-12-01 16:13:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2020-12-01 16:13:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:41,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:43,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 181 states and 282 transitions. [2020-12-01 16:13:43,147 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 282 transitions. [2020-12-01 16:13:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:43,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 198 states and 299 transitions. [2020-12-01 16:13:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 299 transitions. [2020-12-01 16:13:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:44,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 200 states and 308 transitions. [2020-12-01 16:13:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2020-12-01 16:13:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:44,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 211 states and 319 transitions. [2020-12-01 16:13:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2020-12-01 16:13:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:46,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 229 states and 337 transitions. [2020-12-01 16:13:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 337 transitions. [2020-12-01 16:13:47,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:47,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 233 states and 345 transitions. [2020-12-01 16:13:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 345 transitions. [2020-12-01 16:13:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:47,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 245 states and 357 transitions. [2020-12-01 16:13:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 357 transitions. [2020-12-01 16:13:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:49,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 258 states and 369 transitions. [2020-12-01 16:13:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 369 transitions. [2020-12-01 16:13:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:13:51,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 264 states and 378 transitions. [2020-12-01 16:13:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 378 transitions. [2020-12-01 16:13:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:13:51,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 265 states and 379 transitions. [2020-12-01 16:13:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 379 transitions. [2020-12-01 16:13:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:13:51,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 279 states and 393 transitions. [2020-12-01 16:13:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 393 transitions. [2020-12-01 16:13:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:13:53,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 280 states and 394 transitions. [2020-12-01 16:13:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 394 transitions. [2020-12-01 16:13:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:13:53,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 284 states and 402 transitions. [2020-12-01 16:13:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 402 transitions. [2020-12-01 16:13:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:13:54,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 299 states and 417 transitions. [2020-12-01 16:13:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 417 transitions. [2020-12-01 16:13:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:13:57,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 303 states and 426 transitions. [2020-12-01 16:13:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 426 transitions. [2020-12-01 16:13:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:13:57,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 304 states and 427 transitions. [2020-12-01 16:13:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 427 transitions. [2020-12-01 16:13:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:13:57,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 320 states and 443 transitions. [2020-12-01 16:14:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 443 transitions. [2020-12-01 16:14:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:14:00,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 324 states and 451 transitions. [2020-12-01 16:14:01,224 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 451 transitions. [2020-12-01 16:14:01,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:14:01,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 325 states and 452 transitions. [2020-12-01 16:14:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 452 transitions. [2020-12-01 16:14:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:01,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 329 states and 461 transitions. [2020-12-01 16:14:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 461 transitions. [2020-12-01 16:14:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:01,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 330 states and 462 transitions. [2020-12-01 16:14:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 462 transitions. [2020-12-01 16:14:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:01,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 349 states and 481 transitions. [2020-12-01 16:14:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 481 transitions. [2020-12-01 16:14:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:14:05,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 350 states and 482 transitions. [2020-12-01 16:14:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2020-12-01 16:14:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:14:05,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 370 states and 502 transitions. [2020-12-01 16:14:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 502 transitions. [2020-12-01 16:14:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:14:10,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:15,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 391 states and 523 transitions. [2020-12-01 16:14:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 523 transitions. [2020-12-01 16:14:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:14:15,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:21,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 413 states and 545 transitions. [2020-12-01 16:14:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 545 transitions. [2020-12-01 16:14:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:14:21,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:21,567 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 16:14:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 436 states and 568 transitions. [2020-12-01 16:14:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 568 transitions. [2020-12-01 16:14:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:14:27,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:27,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:14:27,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:14:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:28,687 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2020-12-01 16:14:29,661 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-12-01 16:14:30,252 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-12-01 16:14:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 468 states and 601 transitions. [2020-12-01 16:14:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 601 transitions. [2020-12-01 16:14:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:14:36,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:14:36,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:14:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:36,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 469 states and 602 transitions. [2020-12-01 16:14:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 602 transitions. [2020-12-01 16:14:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:14:36,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 469 states and 601 transitions. [2020-12-01 16:14:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 601 transitions. [2020-12-01 16:14:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:14:37,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 471 states and 604 transitions. [2020-12-01 16:14:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 604 transitions. [2020-12-01 16:14:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:14:37,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 507 states and 640 transitions. [2020-12-01 16:14:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 640 transitions. [2020-12-01 16:14:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:14:39,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 505 states and 636 transitions. [2020-12-01 16:14:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 636 transitions. [2020-12-01 16:14:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:14:40,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 506 states and 642 transitions. [2020-12-01 16:14:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 642 transitions. [2020-12-01 16:14:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:14:40,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:41,017 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 518 states and 675 transitions. [2020-12-01 16:14:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 675 transitions. [2020-12-01 16:14:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:14:43,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 527 states and 685 transitions. [2020-12-01 16:14:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 685 transitions. [2020-12-01 16:14:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:14:44,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 544 states and 716 transitions. [2020-12-01 16:14:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 716 transitions. [2020-12-01 16:14:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:14:45,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 548 states and 725 transitions. [2020-12-01 16:14:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 725 transitions. [2020-12-01 16:14:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:14:47,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:47,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 556 states and 732 transitions. [2020-12-01 16:14:47,988 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 732 transitions. [2020-12-01 16:14:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:14:47,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 555 states and 727 transitions. [2020-12-01 16:14:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 727 transitions. [2020-12-01 16:14:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:14:48,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 559 states and 735 transitions. [2020-12-01 16:14:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 735 transitions. [2020-12-01 16:14:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:14:49,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 559 states and 734 transitions. [2020-12-01 16:14:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 734 transitions. [2020-12-01 16:14:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:14:49,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 560 states and 735 transitions. [2020-12-01 16:14:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2020-12-01 16:14:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:14:50,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 564 states and 742 transitions. [2020-12-01 16:14:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 742 transitions. [2020-12-01 16:14:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:14:51,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 568 states and 749 transitions. [2020-12-01 16:14:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 749 transitions. [2020-12-01 16:14:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:14:52,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 566 states and 745 transitions. [2020-12-01 16:14:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 745 transitions. [2020-12-01 16:14:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:14:52,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 567 states and 746 transitions. [2020-12-01 16:14:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 746 transitions. [2020-12-01 16:14:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:52,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 570 states and 759 transitions. [2020-12-01 16:14:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 759 transitions. [2020-12-01 16:14:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:53,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 574 states and 766 transitions. [2020-12-01 16:14:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 766 transitions. [2020-12-01 16:14:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:55,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 588 states and 795 transitions. [2020-12-01 16:14:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 795 transitions. [2020-12-01 16:14:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:58,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 599 states and 808 transitions. [2020-12-01 16:14:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 808 transitions. [2020-12-01 16:14:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:14:59,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 597 states and 804 transitions. [2020-12-01 16:15:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 804 transitions. [2020-12-01 16:15:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:15:00,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 598 states and 805 transitions. [2020-12-01 16:15:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 805 transitions. [2020-12-01 16:15:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:15:00,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 608 states and 815 transitions. [2020-12-01 16:15:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 815 transitions. [2020-12-01 16:15:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:15:01,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 609 states and 816 transitions. [2020-12-01 16:15:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 816 transitions. [2020-12-01 16:15:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:15:02,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 611 states and 821 transitions. [2020-12-01 16:15:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 821 transitions. [2020-12-01 16:15:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:15:03,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 612 states and 822 transitions. [2020-12-01 16:15:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 822 transitions. [2020-12-01 16:15:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:15:04,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 614 states and 826 transitions. [2020-12-01 16:15:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 826 transitions. [2020-12-01 16:15:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:15:06,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 616 states and 831 transitions. [2020-12-01 16:15:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 831 transitions. [2020-12-01 16:15:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:15:07,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 617 states and 832 transitions. [2020-12-01 16:15:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 832 transitions. [2020-12-01 16:15:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:15:08,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:15:08,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:15:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 623 states and 847 transitions. [2020-12-01 16:15:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 847 transitions. [2020-12-01 16:15:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:15:20,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 625 states and 849 transitions. [2020-12-01 16:15:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 849 transitions. [2020-12-01 16:15:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:15:22,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:22,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:15:22,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:15:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 626 states and 850 transitions. [2020-12-01 16:15:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 850 transitions. [2020-12-01 16:15:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:15:23,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 627 states and 854 transitions. [2020-12-01 16:15:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 854 transitions. [2020-12-01 16:15:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:15:24,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 628 states and 857 transitions. [2020-12-01 16:15:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 857 transitions. [2020-12-01 16:15:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:15:25,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:25,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 629 states and 860 transitions. [2020-12-01 16:15:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 860 transitions. [2020-12-01 16:15:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:15:25,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:15:25,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:15:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:15:25,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:15:30,247 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 76 iterations. [2020-12-01 16:15:30,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:15:30 ImpRootNode [2020-12-01 16:15:30,347 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:15:30,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:15:30,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:15:30,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:15:30,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:38" (3/4) ... [2020-12-01 16:15:30,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:15:30,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:15:30,352 INFO L168 Benchmark]: Toolchain (without parser) took 113226.35 ms. Allocated memory was 100.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 71.0 MB in the beginning and 603.1 MB in the end (delta: -532.1 MB). Peak memory consumption was 655.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,353 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 11.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:15:30,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.89 ms. Allocated memory is still 100.7 MB. Free memory was 71.0 MB in the beginning and 74.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.00 ms. Allocated memory is still 100.7 MB. Free memory was 74.4 MB in the beginning and 71.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,355 INFO L168 Benchmark]: Boogie Preprocessor took 87.93 ms. Allocated memory is still 100.7 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,356 INFO L168 Benchmark]: RCFGBuilder took 1168.68 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 68.6 MB in the end (delta: 770.6 kB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,356 INFO L168 Benchmark]: CodeCheck took 111472.72 ms. Allocated memory was 100.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 68.6 MB in the beginning and 604.2 MB in the end (delta: -535.6 MB). Peak memory consumption was 653.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:15:30,357 INFO L168 Benchmark]: Witness Printer took 3.31 ms. Allocated memory is still 1.3 GB. Free memory was 604.2 MB in the beginning and 603.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:15:30,361 INFO L339 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, 131 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 111.3s, OverallIterations: 76, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305572768 SDtfs, 805884736 SDslu, -1593181352 SDs, 0 SdLazy, -1227758652 SolverSat, 323074552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22972 GetRequests, 21684 SyntacticMatches, 368 SemanticMatches, 920 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566223 ImplicationChecksByTransitivity, 98.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2879 NumberOfCodeBlocks, 2879 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 2735 ConstructedInterpolants, 0 QuantifiedInterpolants, 255759 SizeOfPredicates, 14 NumberOfNonLiveVariables, 651 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 75 InterpolantComputations, 73 PerfectInterpolantSequences, 710/728 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: 548]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L692] int s ; [L693] int tmp ; [L697] s = 8464 [L17] int s__info_callback = __VERIFIER_nondet_int(); [L18] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L19] int s__state ; [L20] int s__new_session ; [L21] int s__server ; [L22] int s__version = __VERIFIER_nondet_int(); [L23] int s__type ; [L24] int s__init_num ; [L25] int s__hit = __VERIFIER_nondet_int(); [L26] int s__rwstate ; [L27] int s__init_buf___0 ; [L28] int s__debug = __VERIFIER_nondet_int(); [L29] int s__shutdown ; [L30] int s__cert = __VERIFIER_nondet_int(); [L31] int s__options = __VERIFIER_nondet_int(); [L32] int s__verify_mode = __VERIFIER_nondet_int(); [L33] int s__session__peer = __VERIFIER_nondet_int(); [L34] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L35] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L36] int s__ctx__stats__sess_accept_renegotiate ; [L37] int s__ctx__stats__sess_accept ; [L38] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__cert_request ; [L40] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L41] int s__s3__tmp__use_rsa_tmp ; [L42] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__next_state___0 ; [L45] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L46] int s__session__cipher ; [L47] int buf = __VERIFIER_nondet_int(); [L48] unsigned long l ; [L49] unsigned long Time ; [L50] unsigned long tmp = __VERIFIER_nondet_ulong(); [L51] int cb ; [L52] long num1 ; [L53] int ret ; [L54] int new_state ; [L55] int state ; [L56] int skip ; [L57] int got_new_session ; [L58] int tmp___1 = __VERIFIER_nondet_int(); [L59] int tmp___2 = __VERIFIER_nondet_int(); [L60] int tmp___3 ; [L61] int tmp___4 ; [L62] int tmp___5 ; [L63] int tmp___6 ; [L64] int tmp___7 ; [L65] long tmp___8 = __VERIFIER_nondet_long(); [L66] int tmp___9 ; [L67] int tmp___10 ; [L68] int blastFlag ; [L69] int ag_X ; [L70] int ag_Y = __VERIFIER_nondet_int(); [L71] int ag_Z ; [L72] int __retres70 ; [L3] COND FALSE !(!cond) [L76] s__state = initial_state [L77] blastFlag = 0 [L78] Time = tmp [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] got_new_session = 0 [L83] COND FALSE !(s__info_callback != 0) [L86] COND FALSE !(s__ctx__info_callback != 0) [L92] s__in_handshake = s__in_handshake + 1 [L93] COND FALSE !(tmp___1 & 12288) [L102] COND FALSE !(s__cert == 0) [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND TRUE s__state == 8464 [L294] s__shutdown = 0 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 0 [L297] blastFlag = 1 [L301] COND FALSE !(ret <= 0) [L306] got_new_session = 1 [L307] s__state = 8496 [L308] s__init_num = 0 [L641] COND FALSE !(! s__s3__tmp__reuse_message) [L670] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND TRUE s__state == 8496 [L312] ret = __VERIFIER_nondet_int() [L313] COND TRUE blastFlag == 1 [L314] blastFlag = 2 [L318] COND FALSE !(ret <= 0) [L323] COND TRUE \read(s__hit) [L324] s__state = 8656 [L328] s__init_num = 0 [L641] COND FALSE !(! s__s3__tmp__reuse_message) [L670] skip = 0 [L109] COND TRUE 1 [L111] state = s__state [L112] COND FALSE !(s__state == 12292) [L115] COND FALSE !(s__state == 16384) [L118] COND FALSE !(s__state == 8192) [L121] COND FALSE !(s__state == 24576) [L124] COND FALSE !(s__state == 8195) [L127] COND FALSE !(s__state == 8480) [L130] COND FALSE !(s__state == 8481) [L133] COND FALSE !(s__state == 8482) [L136] COND FALSE !(s__state == 8464) [L139] COND FALSE !(s__state == 8465) [L142] COND FALSE !(s__state == 8466) [L145] COND FALSE !(s__state == 8496) [L148] COND FALSE !(s__state == 8497) [L151] COND FALSE !(s__state == 8512) [L154] COND FALSE !(s__state == 8513) [L157] COND FALSE !(s__state == 8528) [L160] COND FALSE !(s__state == 8529) [L163] COND FALSE !(s__state == 8544) [L166] COND FALSE !(s__state == 8545) [L169] COND FALSE !(s__state == 8560) [L172] COND FALSE !(s__state == 8561) [L175] COND FALSE !(s__state == 8448) [L178] COND FALSE !(s__state == 8576) [L181] COND FALSE !(s__state == 8577) [L184] COND FALSE !(s__state == 8592) [L187] COND FALSE !(s__state == 8593) [L190] COND FALSE !(s__state == 8608) [L193] COND FALSE !(s__state == 8609) [L196] COND FALSE !(s__state == 8640) [L199] COND FALSE !(s__state == 8641) [L202] COND TRUE s__state == 8656 [L529] s__session__cipher = s__s3__tmp__new_cipher [L530] tmp___9 = __VERIFIER_nondet_int() [L531] COND FALSE !(! tmp___9) [L537] ret = __VERIFIER_nondet_int() [L538] COND TRUE blastFlag == 2 [L539] blastFlag = 3 [L543] COND FALSE !(ret <= 0) [L548] ag_X * ag_Y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 11.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.89 ms. Allocated memory is still 100.7 MB. Free memory was 71.0 MB in the beginning and 74.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.00 ms. Allocated memory is still 100.7 MB. Free memory was 74.4 MB in the beginning and 71.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.93 ms. Allocated memory is still 100.7 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1168.68 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 68.6 MB in the end (delta: 770.6 kB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. * CodeCheck took 111472.72 ms. Allocated memory was 100.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 68.6 MB in the beginning and 604.2 MB in the end (delta: -535.6 MB). Peak memory consumption was 653.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.31 ms. Allocated memory is still 1.3 GB. Free memory was 604.2 MB in the beginning and 603.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...