./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN --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 64bit --witnessprinter.graph.data.programhash eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:40:04,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:40:04,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:40:04,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:40:04,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:40:04,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:40:04,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:40:04,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:40:04,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:40:04,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:40:04,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:40:04,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:40:04,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:40:04,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:40:04,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:40:04,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:40:04,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:40:04,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:40:04,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:40:04,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:40:04,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:40:04,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:40:04,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:40:04,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:40:04,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:40:04,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:40:04,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:40:04,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:40:04,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:40:04,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:40:04,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:40:04,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:40:04,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:40:04,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:40:04,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:40:04,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:40:04,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:40:04,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:40:04,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:40:04,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:40:04,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:40:04,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 04:40:04,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:40:04,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:40:04,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:40:04,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:40:04,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:40:04,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:40:04,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:40:04,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:40:04,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:40:04,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:40:04,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:40:04,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:40:04,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:40:04,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:40:04,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:40:04,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:40:04,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:40:04,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:40:04,926 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:40:04,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:40:04,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:40:04,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:40:04,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:40:04,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:40:04,927 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:40:04,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:40:04,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:40:04,928 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_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 [2021-11-21 04:40:05,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:40:05,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:40:05,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:40:05,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:40:05,274 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:40:05,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-11-21 04:40:05,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/data/b511a2796/4a00d65826664974a76b4c13ccf9463b/FLAGe4c1e7780 [2021-11-21 04:40:05,858 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:40:05,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-11-21 04:40:05,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/data/b511a2796/4a00d65826664974a76b4c13ccf9463b/FLAGe4c1e7780 [2021-11-21 04:40:06,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/data/b511a2796/4a00d65826664974a76b4c13ccf9463b [2021-11-21 04:40:06,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:40:06,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:40:06,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:40:06,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:40:06,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:40:06,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddbde58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06, skipping insertion in model container [2021-11-21 04:40:06,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:40:06,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:40:06,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:40:06,474 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:40:06,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:40:06,504 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:40:06,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06 WrapperNode [2021-11-21 04:40:06,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:40:06,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:40:06,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:40:06,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:40:06,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,538 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-21 04:40:06,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:40:06,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:40:06,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:40:06,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:40:06,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:40:06,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:40:06,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:40:06,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:40:06,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:40:06,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:40:06,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:40:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:40:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:40:06,711 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:40:06,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:40:06,948 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:40:06,976 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:40:06,976 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:40:06,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:06 BoogieIcfgContainer [2021-11-21 04:40:06,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:40:06,979 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:40:06,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:40:06,987 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:40:06,987 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:06" (1/1) ... [2021-11-21 04:40:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:40:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-11-21 04:40:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-11-21 04:40:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:40:07,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-11-21 04:40:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-11-21 04:40:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:40:07,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-11-21 04:40:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-11-21 04:40:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:40:07,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-21 04:40:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-21 04:40:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:40:07,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-11-21 04:40:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-11-21 04:40:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:40:07,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-21 04:40:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-21 04:40:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:40:07,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-11-21 04:40:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-11-21 04:40:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:40:07,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-11-21 04:40:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-11-21 04:40:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:40:07,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:07,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-21 04:40:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-21 04:40:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:40:08,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-21 04:40:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-21 04:40:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:40:08,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-21 04:40:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-21 04:40:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:40:08,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-21 04:40:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-21 04:40:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:40:08,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-21 04:40:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-21 04:40:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:40:08,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-21 04:40:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-21 04:40:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:40:08,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-21 04:40:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-21 04:40:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:40:08,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-21 04:40:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-21 04:40:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:40:08,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-21 04:40:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-21 04:40:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:40:08,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-11-21 04:40:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-11-21 04:40:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:40:08,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:08,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-21 04:40:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-21 04:40:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:40:09,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-21 04:40:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-21 04:40:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:40:09,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-21 04:40:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-21 04:40:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:40:09,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-21 04:40:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-21 04:40:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:40:09,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-11-21 04:40:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-11-21 04:40:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:40:09,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-21 04:40:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-21 04:40:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:40:09,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-21 04:40:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-21 04:40:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:40:09,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-21 04:40:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-21 04:40:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:40:09,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-21 04:40:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-21 04:40:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:40:09,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-21 04:40:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-21 04:40:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:40:09,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-21 04:40:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-21 04:40:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:40:09,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-21 04:40:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-21 04:40:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:40:09,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-21 04:40:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-21 04:40:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:40:09,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-21 04:40:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-21 04:40:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:40:09,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:09,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-21 04:40:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-21 04:40:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:40:10,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-21 04:40:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-21 04:40:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:40:10,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-21 04:40:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-21 04:40:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:40:10,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-21 04:40:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-21 04:40:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:40:10,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-21 04:40:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-21 04:40:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:40:10,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-21 04:40:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-21 04:40:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:40:10,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-11-21 04:40:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-11-21 04:40:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:40:10,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-11-21 04:40:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-11-21 04:40:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:10,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:10,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-11-21 04:40:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-21 04:40:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:11,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:11,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-21 04:40:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-21 04:40:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:11,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:11,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-21 04:40:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-21 04:40:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:11,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:11,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2021-11-21 04:40:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2021-11-21 04:40:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:11,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:11,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-21 04:40:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-21 04:40:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:12,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:12,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:12,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2021-11-21 04:40:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2021-11-21 04:40:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:12,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:12,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-11-21 04:40:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-11-21 04:40:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:40:12,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:12,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:40:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-21 04:40:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-21 04:40:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:40:12,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:12,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:40:12,327 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 04:40:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:40:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:40:12,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 04:40:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:40:12,371 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2021-11-21 04:40:12,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:40:12 ImpRootNode [2021-11-21 04:40:12,399 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:40:12,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:40:12,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:40:12,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:40:12,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:06" (3/4) ... [2021-11-21 04:40:12,402 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 04:40:12,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:40:12,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:40:12,507 INFO L158 Benchmark]: Toolchain (without parser) took 6251.44ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 57.4MB in the beginning and 79.9MB in the end (delta: -22.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,507 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:40:12,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.84ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 68.2MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,509 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 65.8MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:40:12,510 INFO L158 Benchmark]: RCFGBuilder took 418.41ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 52.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,510 INFO L158 Benchmark]: CodeCheck took 5420.03ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.8MB in the beginning and 82.0MB in the end (delta: -29.2MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,511 INFO L158 Benchmark]: Witness Printer took 106.21ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:40:12,515 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, 83 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5254 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3952 mSDsluCounter, 560 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14165 IncrementalHoareTripleChecker+Invalid, 17757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3592 mSolverCounterUnsat, 560 mSDtfsCounter, 14165 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 VAL [x=-1, y=-2147483640, z=0] [L24] COND FALSE !(x > 0) VAL [x=-1, y=-2147483640, z=0] [L27] EXPR x - 1 [L27] x = x - 1 VAL [x=-2, y=-2147483640, z=0] [L29] COND FALSE !(x > 0) VAL [x=-2, y=-2147483640, z=0] [L32] EXPR x - 1 [L32] x = x - 1 VAL [x=-3, y=-2147483640, z=0] [L34] COND FALSE !(x > 0) VAL [x=-3, y=-2147483640, z=0] [L37] EXPR x - 1 [L37] x = x - 1 VAL [x=-4, y=-2147483640, z=0] [L39] COND FALSE !(x > 0) VAL [x=-4, y=-2147483640, z=0] [L42] EXPR x - 1 [L42] x = x - 1 VAL [x=-5, y=-2147483640, z=0] [L44] COND FALSE !(x > 0) VAL [x=-5, y=-2147483640, z=0] [L47] EXPR x - 1 [L47] x = x - 1 VAL [x=-6, y=-2147483640, z=0] [L49] COND FALSE !(x > 0) VAL [x=-6, y=-2147483640, z=0] [L52] EXPR x - 1 [L52] x = x - 1 VAL [x=-7, y=-2147483640, z=0] [L54] COND FALSE !(x > 0) VAL [x=-7, y=-2147483640, z=0] [L57] EXPR x - 1 [L57] x = x - 1 VAL [x=-8, y=-2147483640, z=0] [L59] COND FALSE !(x > 0) VAL [x=-8, y=-2147483640, z=0] [L62] EXPR x - 1 [L62] x = x - 1 VAL [x=-9, y=-2147483640, z=0] [L64] COND TRUE y<100 && z<100 VAL [x=-9, y=-2147483640, z=0] [L65] y+x VAL [x=-9, y=-2147483640, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.84ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 68.2MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 65.8MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.41ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 52.8MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 5420.03ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.8MB in the beginning and 82.0MB in the end (delta: -29.2MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 106.21ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 04:40:12,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9ca6b-17b9-486b-ac51-44abb25dc946/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)