./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e --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 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:51:07,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:51:07,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:51:07,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:51:07,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:51:07,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:51:07,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:51:07,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:51:07,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:51:07,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:51:07,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:51:07,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:51:07,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:51:07,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:51:07,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:51:07,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:51:07,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:51:07,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:51:07,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:51:07,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:51:07,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:51:07,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:51:07,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:51:07,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:51:07,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:51:07,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:51:07,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:51:07,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:51:07,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:51:07,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:51:07,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:51:07,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:51:07,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:51:07,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:51:07,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:51:07,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:51:07,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:51:07,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:51:07,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:51:07,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:51:07,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:51:07,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:51:07,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:51:07,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:51:07,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:51:07,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:51:07,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:51:07,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:51:07,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:51:07,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:51:07,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:51:07,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:51:07,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:51:07,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:51:07,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:51:07,379 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:51:07,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:51:07,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:51:07,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:51:07,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:51:07,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:51:07,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:51:07,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:51:07,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:51:07,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:51:07,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:51:07,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:51:07,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:51:07,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:51:07,383 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_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2021-11-13 23:51:07,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:51:07,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:51:07,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:51:07,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:51:07,739 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:51:07,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-13 23:51:07,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/data/e8501cbbc/4409c15f4b334259b63531caf6aa2341/FLAG847fe9cd1 [2021-11-13 23:51:08,384 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:51:08,385 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-13 23:51:08,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/data/e8501cbbc/4409c15f4b334259b63531caf6aa2341/FLAG847fe9cd1 [2021-11-13 23:51:08,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/data/e8501cbbc/4409c15f4b334259b63531caf6aa2341 [2021-11-13 23:51:08,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:51:08,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:51:08,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:51:08,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:51:08,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:51:08,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:51:08" (1/1) ... [2021-11-13 23:51:08,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d8927d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:08, skipping insertion in model container [2021-11-13 23:51:08,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:51:08" (1/1) ... [2021-11-13 23:51:08,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:51:08,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:51:08,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:51:08,986 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:51:09,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:51:09,022 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:51:09,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09 WrapperNode [2021-11-13 23:51:09,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:51:09,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:51:09,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:51:09,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:51:09,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:51:09,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:51:09,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:51:09,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:51:09,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:51:09,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:51:09,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:51:09,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:51:09,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:51:09,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:51:09,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:51:09,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:51:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:51:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:51:09,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:51:09,415 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:51:09,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:51:09 BoogieIcfgContainer [2021-11-13 23:51:09,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:51:09,424 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:51:09,424 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:51:09,448 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:51:09,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:51:09" (1/1) ... [2021-11-13 23:51:09,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:51:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-13 23:51:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-13 23:51:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:51:09,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:09,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-13 23:51:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-13 23:51:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:51:09,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:09,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-13 23:51:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-13 23:51:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:51:09,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:09,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-13 23:51:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-13 23:51:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:51:10,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:10,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-13 23:51:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-13 23:51:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:51:10,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:10,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-13 23:51:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-13 23:51:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:51:10,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:10,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2021-11-13 23:51:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-13 23:51:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:51:11,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:11,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:51:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2021-11-13 23:51:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-13 23:51:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:51:12,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:12,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:51:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2021-11-13 23:51:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-11-13 23:51:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:51:12,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:12,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2021-11-13 23:51:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2021-11-13 23:51:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:51:13,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:13,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2021-11-13 23:51:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2021-11-13 23:51:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:51:13,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:13,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2021-11-13 23:51:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-11-13 23:51:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:51:13,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:13,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:51:14,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 70 states and 128 transitions. [2021-11-13 23:51:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2021-11-13 23:51:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:51:14,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:14,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:51:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2021-11-13 23:51:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2021-11-13 23:51:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:51:14,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:14,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:51:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 72 states and 129 transitions. [2021-11-13 23:51:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 129 transitions. [2021-11-13 23:51:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:51:14,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:14,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:51:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2021-11-13 23:51:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2021-11-13 23:51:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:51:14,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:14,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:51:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2021-11-13 23:51:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2021-11-13 23:51:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:51:14,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:14,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:51:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 84 states and 153 transitions. [2021-11-13 23:51:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 153 transitions. [2021-11-13 23:51:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:51:15,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:15,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:51:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 85 states and 153 transitions. [2021-11-13 23:51:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 153 transitions. [2021-11-13 23:51:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:51:15,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:15,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:51:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 84 states and 151 transitions. [2021-11-13 23:51:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2021-11-13 23:51:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:51:16,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:16,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:51:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 92 states and 163 transitions. [2021-11-13 23:51:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 163 transitions. [2021-11-13 23:51:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:51:16,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:16,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:51:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 92 states and 162 transitions. [2021-11-13 23:51:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2021-11-13 23:51:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:51:16,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:16,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:51:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 98 states and 173 transitions. [2021-11-13 23:51:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2021-11-13 23:51:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:51:17,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:17,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:51:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 178 transitions. [2021-11-13 23:51:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2021-11-13 23:51:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:51:17,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:17,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:51:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 101 states and 177 transitions. [2021-11-13 23:51:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2021-11-13 23:51:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:51:17,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:17,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 23:51:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 181 transitions. [2021-11-13 23:51:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 181 transitions. [2021-11-13 23:51:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:51:18,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 23:51:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 224 transitions. [2021-11-13 23:51:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 224 transitions. [2021-11-13 23:51:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:51:20,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:51:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2021-11-13 23:51:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2021-11-13 23:51:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:21,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:21,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 23:51:21,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 134 states and 235 transitions. [2021-11-13 23:51:21,574 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2021-11-13 23:51:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:21,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:21,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 23:51:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 244 transitions. [2021-11-13 23:51:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2021-11-13 23:51:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:22,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:22,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 23:51:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 242 transitions. [2021-11-13 23:51:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2021-11-13 23:51:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:22,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:22,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:51:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 145 states and 253 transitions. [2021-11-13 23:51:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 253 transitions. [2021-11-13 23:51:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:23,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:23,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 23:51:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2021-11-13 23:51:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2021-11-13 23:51:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:24,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:24,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 23:51:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 154 states and 267 transitions. [2021-11-13 23:51:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 267 transitions. [2021-11-13 23:51:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:51:24,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 23:51:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 153 states and 258 transitions. [2021-11-13 23:51:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 258 transitions. [2021-11-13 23:51:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:51:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:25,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 23:51:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 152 states and 256 transitions. [2021-11-13 23:51:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2021-11-13 23:51:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:25,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:25,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 23:51:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2021-11-13 23:51:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2021-11-13 23:51:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:25,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:25,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-13 23:51:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 156 states and 258 transitions. [2021-11-13 23:51:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 258 transitions. [2021-11-13 23:51:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:26,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:26,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:51:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2021-11-13 23:51:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2021-11-13 23:51:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:26,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:26,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-13 23:51:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2021-11-13 23:51:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2021-11-13 23:51:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:27,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:27,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 23:51:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 166 states and 271 transitions. [2021-11-13 23:51:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2021-11-13 23:51:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:51:27,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:27,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 23:51:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 169 states and 276 transitions. [2021-11-13 23:51:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 276 transitions. [2021-11-13 23:51:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:51:28,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:28,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-13 23:51:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 170 states and 276 transitions. [2021-11-13 23:51:28,647 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 276 transitions. [2021-11-13 23:51:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:51:28,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:28,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 23:51:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2021-11-13 23:51:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2021-11-13 23:51:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:51:29,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:29,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-13 23:51:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 175 states and 282 transitions. [2021-11-13 23:51:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 282 transitions. [2021-11-13 23:51:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:51:30,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:30,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-13 23:51:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2021-11-13 23:51:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2021-11-13 23:51:30,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:51:30,725 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2021-11-13 23:51:30,733 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-13 23:51:31,564 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2021-11-13 23:51:31,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:51:31,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:51:31 ImpRootNode [2021-11-13 23:51:31,590 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:51:31,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:51:31,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:51:31,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:51:31,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:51:09" (3/4) ... [2021-11-13 23:51:31,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:51:31,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 23:51:31,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:51:31,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:51:31,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:51:31,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:51:31,672 INFO L158 Benchmark]: Toolchain (without parser) took 22885.37ms. Allocated memory was 88.1MB in the beginning and 251.7MB in the end (delta: 163.6MB). Free memory was 57.7MB in the beginning and 117.3MB in the end (delta: -59.6MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,675 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:51:31,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.59ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 57.5MB in the beginning and 97.2MB in the end (delta: -39.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.16ms. Allocated memory is still 119.5MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:51:31,676 INFO L158 Benchmark]: Boogie Preprocessor took 27.92ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 95.2MB in the end (delta: 519.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,677 INFO L158 Benchmark]: RCFGBuilder took 336.01ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 86.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,677 INFO L158 Benchmark]: CodeCheck took 22166.16ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 85.9MB in the beginning and 120.4MB in the end (delta: -34.6MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,680 INFO L158 Benchmark]: Witness Printer took 80.95ms. Allocated memory is still 251.7MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:51:31,682 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 46, 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, 7460 SdHoareTripleChecker+Valid, 36803.66ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7029 mSDsluCounter, 1378 SdHoareTripleChecker+Invalid, 29036.71ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1110 mSDsCounter, 5842 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27946 IncrementalHoareTripleChecker+Invalid, 33788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5842 mSolverCounterUnsat, 268 mSDtfsCounter, 27946 mSolverCounterSat, 544.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8921 GetRequests, 7846 SyntacticMatches, 631 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100838 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 963 ConstructedInterpolants, 0 QuantifiedInterpolants, 2671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 16 PerfectInterpolantSequences, 1323/1807 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 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((n <= 2147483647 && 1 < i) && i <= 2147483646) && 1 <= m) && m <= 2147483647) && 1 < j) || (((((n <= 2147483647 && 0 < i) && j + 1 <= m) && 0 < j) && i <= 1) && m <= 2147483647)) || (((((n <= 2147483647 && j + 1 <= m) && 1 < i) && i <= 2147483646) && 0 < j) && m <= 2147483647)) || (((((j <= 1 && n <= 2147483647) && m < j + 1) && 1 < i) && i <= 2147483646) && 1 <= m)) || (((((j <= 1 && n <= 2147483647) && 0 < i) && m < j + 1) && 1 <= m) && i <= 1)) || (((((n <= 2147483647 && j + 1 <= m) && 0 <= j) && 0 <= i) && m <= 2147483647) && j <= 0)) || (((((n <= 2147483647 && i <= 0) && 1 <= m) && 0 < j) && 0 <= i) && m <= 2147483647)) || (((((n <= 2147483647 && 0 < i) && 1 <= m) && i <= 1) && m <= 2147483647) && 1 < j) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.59ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 57.5MB in the beginning and 97.2MB in the end (delta: -39.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.16ms. Allocated memory is still 119.5MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.92ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 95.2MB in the end (delta: 519.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.01ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 86.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 22166.16ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 85.9MB in the beginning and 120.4MB in the end (delta: -34.6MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Witness Printer took 80.95ms. Allocated memory is still 251.7MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:51:31,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d580f6-2ca2-40ff-aaf7-683bfeab2d25/bin/ukojak-2xVlg8857e/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 Result: TRUE