./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sep10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 246513a49efb434b9c960a67f526057a6e0f9037478ee43a300fa4a565ea6e54 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:40,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:40,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:40,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:40,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:40,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:40,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:40,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:40,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:40,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:40,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:40,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:40,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:40,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:40,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:40,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:40,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:40,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:40,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:40,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:40,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:40,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:40,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:40,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:40,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:40,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:40,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:40,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:40,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:40,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:40,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:40,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:40,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:40,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:40,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:40,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:40,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:40,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:40,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:40,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:40,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:40,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:17:40,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:40,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:40,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:17:40,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:17:40,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:40,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:40,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:40,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:40,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:40,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:40,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:40,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:17:40,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:40,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:17:40,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:40,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:17:40,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:40,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:17:40,352 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:40,352 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:40,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:40,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:40,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:40,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:40,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:17:40,353 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:40,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:40,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:17:40,354 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_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246513a49efb434b9c960a67f526057a6e0f9037478ee43a300fa4a565ea6e54 [2021-11-23 01:17:40,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:40,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:40,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:40,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:40,708 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:40,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/sep10-2.i [2021-11-23 01:17:40,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/data/68e7490a9/76ecec10d3c045968fe9138474c380bf/FLAGc5caa245b [2021-11-23 01:17:41,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:41,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/sv-benchmarks/c/reducercommutativity/sep10-2.i [2021-11-23 01:17:41,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/data/68e7490a9/76ecec10d3c045968fe9138474c380bf/FLAGc5caa245b [2021-11-23 01:17:41,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/data/68e7490a9/76ecec10d3c045968fe9138474c380bf [2021-11-23 01:17:41,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:41,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:41,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:41,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:41,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:41,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:41,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253390df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41, skipping insertion in model container [2021-11-23 01:17:41,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:41,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:41,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:41,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/sv-benchmarks/c/reducercommutativity/sep10-2.i[1293,1306] [2021-11-23 01:17:41,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:41,871 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:41,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/sv-benchmarks/c/reducercommutativity/sep10-2.i[1293,1306] [2021-11-23 01:17:41,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:41,933 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:41,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41 WrapperNode [2021-11-23 01:17:41,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:41,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:41,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:41,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:41,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:41,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:41,998 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 01:17:41,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:41,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:42,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:42,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:42,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:42,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:42,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:42,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:42,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:41" (1/1) ... [2021-11-23 01:17:42,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:42,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:42,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:42,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf00fc41-7eb9-46e3-967d-e95ee46cb9ae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:17:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:17:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:17:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:17:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2021-11-23 01:17:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2021-11-23 01:17:42,259 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:42,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:42,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:42,540 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:42,550 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:17:42,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:42 BoogieIcfgContainer [2021-11-23 01:17:42,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:42,554 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:42,555 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:42,568 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:42,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:42" (1/1) ... [2021-11-23 01:17:42,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:17:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:17:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:42,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:17:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:17:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:17:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:42,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:17:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 01:17:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 01:17:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:17:43,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:17:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:17:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:17:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:17:43,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:17:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:17:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:17:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:17:43,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 01:17:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 01:17:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:17:43,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:17:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:17:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:43,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:17:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:17:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:17:43,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 01:17:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 01:17:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:17:44,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 01:17:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 01:17:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:17:44,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 01:17:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:17:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:17:44,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-23 01:17:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-23 01:17:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:17:44,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-11-23 01:17:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-23 01:17:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:17:44,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-23 01:17:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-23 01:17:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:17:44,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:17:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 01:17:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 01:17:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:17:45,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 01:17:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 01:17:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 01:17:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:45,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-23 01:17:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 01:17:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 01:17:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:17:45,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-23 01:17:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 01:17:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 01:17:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:17:45,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-23 01:17:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 01:17:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 01:17:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:17:45,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-23 01:17:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 01:17:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 01:17:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:17:46,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-23 01:17:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 01:17:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 01:17:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:17:46,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-11-23 01:17:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-23 01:17:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-23 01:17:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:17:46,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-23 01:17:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-23 01:17:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-23 01:17:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:17:46,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:17:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:17:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:17:47,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-23 01:17:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-23 01:17:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:17:47,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2021-11-23 01:17:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-23 01:17:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:17:47,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2021-11-23 01:17:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-23 01:17:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:17:47,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-23 01:17:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-23 01:17:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:17:48,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2021-11-23 01:17:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-23 01:17:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:17:48,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 01:17:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2021-11-23 01:17:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2021-11-23 01:17:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:17:48,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat