./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI --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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:06:20,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:06:20,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:06:20,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:06:20,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:06:20,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:06:20,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:06:20,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:06:20,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:06:20,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:06:20,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:06:20,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:06:20,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:06:20,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:06:20,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:06:20,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:06:20,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:06:20,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:06:20,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:06:20,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:06:20,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:06:20,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:06:20,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:06:20,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:06:20,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:06:20,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:06:20,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:06:20,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:06:20,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:06:20,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:06:20,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:06:20,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:06:20,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:06:20,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:06:20,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:06:20,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:06:20,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:06:20,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:06:20,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:06:20,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:06:20,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:06:20,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:06:20,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:06:20,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:06:20,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:06:20,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:06:20,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:06:20,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:06:20,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:06:20,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:06:20,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:06:20,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:06:20,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:06:20,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:06:20,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:06:20,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:06:20,520 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:06:20,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:06:20,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:06:20,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:06:20,521 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:06:20,521 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:06:20,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:06:20,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:20,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:06:20,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:06:20,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:06:20,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:06:20,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:06:20,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:06:20,523 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_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2021-10-29 04:06:20,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:06:20,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:06:20,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:06:20,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:06:20,918 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:06:20,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2021-10-29 04:06:20,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/data/c4a7298c6/506bb588ed0349968ab3b3b486226a89/FLAG9187e51b9 [2021-10-29 04:06:21,485 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:06:21,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2021-10-29 04:06:21,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/data/c4a7298c6/506bb588ed0349968ab3b3b486226a89/FLAG9187e51b9 [2021-10-29 04:06:21,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/data/c4a7298c6/506bb588ed0349968ab3b3b486226a89 [2021-10-29 04:06:21,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:06:21,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:06:21,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:21,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:06:21,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:06:21,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:21" (1/1) ... [2021-10-29 04:06:21,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f95d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:21, skipping insertion in model container [2021-10-29 04:06:21,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:21" (1/1) ... [2021-10-29 04:06:21,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:06:21,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:06:22,047 WARN L228 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_611723e0-4cba-4b62-bf29-4cf3c3706bff/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2021-10-29 04:06:22,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:22,109 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:06:22,124 WARN L228 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_611723e0-4cba-4b62-bf29-4cf3c3706bff/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2021-10-29 04:06:22,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:22,172 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:06:22,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22 WrapperNode [2021-10-29 04:06:22,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:22,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:22,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:06:22,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:06:22,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:22,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:06:22,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:06:22,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:06:22,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:06:22,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:06:22,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:06:22,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:06:22,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:06:22,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:06:22,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:06:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:06:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:06:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:06:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:06:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:06:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:06:22,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:06:22,682 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:06:22,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:22 BoogieIcfgContainer [2021-10-29 04:06:22,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:06:22,685 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:06:22,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:06:22,696 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:06:22,696 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:22" (1/1) ... [2021-10-29 04:06:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:06:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-10-29 04:06:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-10-29 04:06:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:06:22,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:22,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-10-29 04:06:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-10-29 04:06:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:06:22,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:22,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 04:06:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 04:06:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:06:23,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:23,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2021-10-29 04:06:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 04:06:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:06:23,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:23,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:23,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:23,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2021-10-29 04:06:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-10-29 04:06:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:24,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:24,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:24,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:24,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2021-10-29 04:06:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-10-29 04:06:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:06:25,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:25,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:25,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:06:25,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:06:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2021-10-29 04:06:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-10-29 04:06:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:06:25,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:25,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:25,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:25,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:06:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2021-10-29 04:06:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 04:06:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:06:26,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:26,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:26,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:26,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 04:06:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-10-29 04:06:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-10-29 04:06:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:06:26,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:26,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:27,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:06:27,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:06:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2021-10-29 04:06:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2021-10-29 04:06:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:06:28,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:28,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:28,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:28,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:06:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2021-10-29 04:06:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2021-10-29 04:06:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:06:29,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:29,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:29,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:29,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:06:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2021-10-29 04:06:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2021-10-29 04:06:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:06:30,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:30,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:30,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:06:30,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:06:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2021-10-29 04:06:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2021-10-29 04:06:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:06:32,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:32,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:32,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 04:06:32,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 04:06:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2021-10-29 04:06:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2021-10-29 04:06:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:06:33,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:33,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:33,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:33,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:06:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 75 states and 189 transitions. [2021-10-29 04:06:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 189 transitions. [2021-10-29 04:06:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:06:37,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:37,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:37,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:06:37,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:06:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 78 states and 203 transitions. [2021-10-29 04:06:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-10-29 04:06:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:06:38,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:38,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:38,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:06:38,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:06:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 202 transitions. [2021-10-29 04:06:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 202 transitions. [2021-10-29 04:06:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:06:39,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:39,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:39,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:06:39,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-10-29 04:06:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 80 states and 212 transitions. [2021-10-29 04:06:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 212 transitions. [2021-10-29 04:06:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 04:06:40,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:40,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:40,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:06:40,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 04:06:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 81 states and 216 transitions. [2021-10-29 04:06:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 216 transitions. [2021-10-29 04:06:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 04:06:41,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:41,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:41,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:41,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:06:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 82 states and 218 transitions. [2021-10-29 04:06:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 218 transitions. [2021-10-29 04:06:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 04:06:42,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:42,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:42,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:42,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 04:06:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 83 states and 224 transitions. [2021-10-29 04:06:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 224 transitions. [2021-10-29 04:06:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:06:43,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:43,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:43,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:43,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-29 04:06:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 85 states and 230 transitions. [2021-10-29 04:06:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 230 transitions. [2021-10-29 04:06:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 04:06:47,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:47,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:47,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:06:47,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-10-29 04:06:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 85 states and 228 transitions. [2021-10-29 04:06:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 228 transitions. [2021-10-29 04:06:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:06:47,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:47,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:47,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:06:47,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 04:06:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 88 states and 233 transitions. [2021-10-29 04:06:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 233 transitions. [2021-10-29 04:06:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:06:49,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:49,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-29 04:06:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 100 states and 324 transitions. [2021-10-29 04:06:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 324 transitions. [2021-10-29 04:06:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:06:52,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:52,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:52,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:06:52,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 04:06:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 103 states and 328 transitions. [2021-10-29 04:06:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 328 transitions. [2021-10-29 04:06:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:06:54,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:54,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:54,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:06:54,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-29 04:06:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 103 states and 327 transitions. [2021-10-29 04:06:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 327 transitions. [2021-10-29 04:06:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 04:06:54,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:54,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:54,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:06:54,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:06:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 111 states and 368 transitions. [2021-10-29 04:06:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 368 transitions. [2021-10-29 04:06:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 04:06:59,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:59,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:59,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:06:59,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:06:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:07:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 112 states and 368 transitions. [2021-10-29 04:07:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 368 transitions. [2021-10-29 04:07:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:07:01,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:01,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:01,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:01,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:07:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 116 states and 386 transitions. [2021-10-29 04:07:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 386 transitions. [2021-10-29 04:07:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:07:04,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:04,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:04,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:04,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:07:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 118 states and 388 transitions. [2021-10-29 04:07:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 388 transitions. [2021-10-29 04:07:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:07:06,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:06,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:06,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:06,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 04:07:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 120 states and 390 transitions. [2021-10-29 04:07:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 390 transitions. [2021-10-29 04:07:07,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 04:07:07,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:07,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:07,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:07:07,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:07:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 123 states and 413 transitions. [2021-10-29 04:07:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 413 transitions. [2021-10-29 04:07:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 04:07:10,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:10,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:10,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:07:10,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:07:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 128 states and 436 transitions. [2021-10-29 04:07:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 436 transitions. [2021-10-29 04:07:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 04:07:15,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:15,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:15,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:07:15,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:07:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 130 states and 437 transitions. [2021-10-29 04:07:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 437 transitions. [2021-10-29 04:07:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 04:07:17,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:17,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:17,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:07:17,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 04:07:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 132 states and 438 transitions. [2021-10-29 04:07:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 438 transitions. [2021-10-29 04:07:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-29 04:07:19,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:19,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:19,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 04:07:19,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:07:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 136 states and 470 transitions. [2021-10-29 04:07:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 470 transitions. [2021-10-29 04:07:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-29 04:07:22,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:22,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:22,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:07:22,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:07:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 137 states and 476 transitions. [2021-10-29 04:07:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 476 transitions. [2021-10-29 04:07:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 04:07:24,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:24,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:24,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:07:24,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-10-29 04:07:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 138 states and 479 transitions. [2021-10-29 04:07:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 479 transitions. [2021-10-29 04:07:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 04:07:26,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:26,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:26,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:07:26,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 28 proven. 22 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 04:07:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 139 states and 488 transitions. [2021-10-29 04:07:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 488 transitions. [2021-10-29 04:07:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 04:07:27,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:27,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:27,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:07:27,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-10-29 04:07:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 139 states and 485 transitions. [2021-10-29 04:07:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 485 transitions. [2021-10-29 04:07:28,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:28,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:28,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:28,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:28,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 04:07:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 142 states and 490 transitions. [2021-10-29 04:07:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 490 transitions. [2021-10-29 04:07:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:31,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:31,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:31,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:31,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 04:07:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 145 states and 494 transitions. [2021-10-29 04:07:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 494 transitions. [2021-10-29 04:07:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:33,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:33,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:33,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:07:33,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:07:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 157 states and 629 transitions. [2021-10-29 04:07:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 629 transitions. [2021-10-29 04:07:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:39,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:39,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:39,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 04:07:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 160 states and 633 transitions. [2021-10-29 04:07:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 633 transitions. [2021-10-29 04:07:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:42,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:42,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:42,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:07:42,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:07:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 160 states and 632 transitions. [2021-10-29 04:07:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 632 transitions. [2021-10-29 04:07:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 04:07:43,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:43,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:43,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:07:43,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:07:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 160 states and 631 transitions. [2021-10-29 04:07:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 631 transitions. [2021-10-29 04:07:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-29 04:07:44,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:44,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:44,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 04:07:44,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:07:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 168 states and 687 transitions. [2021-10-29 04:07:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 687 transitions. [2021-10-29 04:07:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-29 04:07:52,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:52,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:52,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 04:07:52,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:07:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 169 states and 688 transitions. [2021-10-29 04:07:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 688 transitions. [2021-10-29 04:07:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-29 04:07:55,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:55,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:55,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 04:07:55,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:07:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 170 states and 689 transitions. [2021-10-29 04:07:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 689 transitions. [2021-10-29 04:07:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-29 04:07:57,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:57,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:57,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 04:07:57,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:08:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 170 states and 688 transitions. [2021-10-29 04:08:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 688 transitions. [2021-10-29 04:08:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:08:00,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:00,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:00,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:08:00,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:08:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 174 states and 711 transitions. [2021-10-29 04:08:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 711 transitions. [2021-10-29 04:08:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:08:06,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:06,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:06,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:08:06,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:08:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 176 states and 713 transitions. [2021-10-29 04:08:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 713 transitions. [2021-10-29 04:08:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:08:08,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:08,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:09,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:08:09,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:08:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 178 states and 715 transitions. [2021-10-29 04:08:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 715 transitions. [2021-10-29 04:08:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 04:08:12,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:12,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:12,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 04:08:12,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 04:08:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 180 states and 717 transitions. [2021-10-29 04:08:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 717 transitions. [2021-10-29 04:08:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 04:08:15,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:15,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:15,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:08:15,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:16,695 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:08:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 183 states and 747 transitions. [2021-10-29 04:08:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 747 transitions. [2021-10-29 04:08:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:08:20,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:20,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:20,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 04:08:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:08:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 188 states and 777 transitions. [2021-10-29 04:08:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 777 transitions. [2021-10-29 04:08:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:08:27,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:27,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:27,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 04:08:27,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:29,168 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:08:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 190 states and 778 transitions. [2021-10-29 04:08:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 778 transitions. [2021-10-29 04:08:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:08:30,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:30,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:30,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 04:08:30,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:08:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 192 states and 779 transitions. [2021-10-29 04:08:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 779 transitions. [2021-10-29 04:08:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 04:08:34,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:34,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:34,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-29 04:08:34,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-29 04:08:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 194 states and 780 transitions. [2021-10-29 04:08:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 780 transitions. [2021-10-29 04:08:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-29 04:08:38,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:38,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:38,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:08:38,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:08:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 198 states and 814 transitions. [2021-10-29 04:08:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 814 transitions. [2021-10-29 04:08:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-29 04:08:43,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:43,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:43,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:08:43,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-10-29 04:08:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 199 states and 822 transitions. [2021-10-29 04:08:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 822 transitions. [2021-10-29 04:08:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-29 04:08:47,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:47,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:47,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:08:47,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 38 proven. 45 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-29 04:08:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 200 states and 834 transitions. [2021-10-29 04:08:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 834 transitions. [2021-10-29 04:08:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-29 04:08:49,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:49,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:49,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:08:49,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-10-29 04:08:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 200 states and 830 transitions. [2021-10-29 04:08:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 830 transitions. [2021-10-29 04:08:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:08:51,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:51,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:51,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:08:51,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:08:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 203 states and 834 transitions. [2021-10-29 04:08:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 834 transitions. [2021-10-29 04:08:54,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:08:54,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:54,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:54,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:08:54,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:08:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 206 states and 839 transitions. [2021-10-29 04:08:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 839 transitions. [2021-10-29 04:08:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:08:57,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:57,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:58,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:08:58,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-29 04:09:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 218 states and 998 transitions. [2021-10-29 04:09:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 998 transitions. [2021-10-29 04:09:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:09:08,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:08,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:09:08,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:09:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 221 states and 1002 transitions. [2021-10-29 04:09:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1002 transitions. [2021-10-29 04:09:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:09:12,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:12,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:12,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:09:12,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-29 04:09:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 224 states and 1006 transitions. [2021-10-29 04:09:15,775 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1006 transitions. [2021-10-29 04:09:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:09:15,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:15,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:15,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:09:15,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-29 04:09:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 224 states and 1005 transitions. [2021-10-29 04:09:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1005 transitions. [2021-10-29 04:09:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:09:17,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:17,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:17,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:09:17,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-29 04:09:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 224 states and 1004 transitions. [2021-10-29 04:09:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1004 transitions. [2021-10-29 04:09:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 04:09:18,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:18,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:09:19,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-29 04:09:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 224 states and 1003 transitions. [2021-10-29 04:09:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1003 transitions. [2021-10-29 04:09:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 04:09:20,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:20,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:20,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:09:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 232 states and 1074 transitions. [2021-10-29 04:09:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1074 transitions. [2021-10-29 04:09:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 04:09:32,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:32,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:32,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:09:32,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 233 states and 1075 transitions. [2021-10-29 04:09:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1075 transitions. [2021-10-29 04:09:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 04:09:37,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:37,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:38,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:09:38,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 233 states and 1074 transitions. [2021-10-29 04:09:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1074 transitions. [2021-10-29 04:09:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 04:09:41,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:41,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:41,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:09:41,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 234 states and 1074 transitions. [2021-10-29 04:09:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1074 transitions. [2021-10-29 04:09:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 04:09:45,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:09:45,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 235 states and 1075 transitions. [2021-10-29 04:09:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1075 transitions. [2021-10-29 04:09:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:09:48,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:48,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:48,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:09:48,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:09:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 239 states and 1102 transitions. [2021-10-29 04:09:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1102 transitions. [2021-10-29 04:09:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:09:57,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:57,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:57,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:09:57,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:10:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 241 states and 1104 transitions. [2021-10-29 04:10:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1104 transitions. [2021-10-29 04:10:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:10:02,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:02,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:02,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:10:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:10:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 243 states and 1106 transitions. [2021-10-29 04:10:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 1106 transitions. [2021-10-29 04:10:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:10:07,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:07,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:08,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:10:08,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:10:15,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 245 states and 1108 transitions. [2021-10-29 04:10:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1108 transitions. [2021-10-29 04:10:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-29 04:10:15,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:15,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:15,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:10:15,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-10-29 04:10:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 247 states and 1110 transitions. [2021-10-29 04:10:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1110 transitions. [2021-10-29 04:10:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-29 04:10:19,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:19,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:19,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:10:19,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 44 proven. 48 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:10:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 250 states and 1147 transitions. [2021-10-29 04:10:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1147 transitions. [2021-10-29 04:10:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:10:29,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:29,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:29,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:10:29,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:10:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 255 states and 1183 transitions. [2021-10-29 04:10:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1183 transitions. [2021-10-29 04:10:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:10:42,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:42,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:10:42,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:10:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 257 states and 1184 transitions. [2021-10-29 04:10:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1184 transitions. [2021-10-29 04:10:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:10:46,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:46,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:46,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:10:46,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:10:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 259 states and 1185 transitions. [2021-10-29 04:10:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1185 transitions. [2021-10-29 04:10:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:10:51,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:51,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:51,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:10:51,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:10:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 261 states and 1186 transitions. [2021-10-29 04:10:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1186 transitions. [2021-10-29 04:10:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:10:56,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:56,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:56,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-29 04:10:56,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:10:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-10-29 04:11:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 263 states and 1187 transitions. [2021-10-29 04:11:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 1187 transitions. [2021-10-29 04:11:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-29 04:11:02,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:02,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:02,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:11:02,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:11:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 267 states and 1229 transitions. [2021-10-29 04:11:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1229 transitions. [2021-10-29 04:11:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 04:11:11,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:11,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:11,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 04:11:11,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 46 proven. 72 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-10-29 04:11:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 268 states and 1244 transitions. [2021-10-29 04:11:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1244 transitions. [2021-10-29 04:11:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 04:11:18,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:18,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:18,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:11:18,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 48 proven. 76 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-10-29 04:11:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 270 states and 1269 transitions. [2021-10-29 04:11:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1269 transitions. [2021-10-29 04:11:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 04:11:23,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:23,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:23,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:11:23,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2021-10-29 04:11:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 270 states and 1264 transitions. [2021-10-29 04:11:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1264 transitions. [2021-10-29 04:11:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 04:11:26,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:26,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:26,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:11:26,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1140 proven. 5 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-10-29 04:11:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 302 states and 1508 transitions. [2021-10-29 04:11:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1508 transitions. [2021-10-29 04:11:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 04:11:50,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:50,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:50,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:11:50,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-10-29 04:11:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 305 states and 1512 transitions. [2021-10-29 04:11:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1512 transitions. [2021-10-29 04:11:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 04:11:56,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:56,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:56,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 04:11:56,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 1140 proven. 5 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-10-29 04:11:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 103 states and 484 transitions. [2021-10-29 04:11:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 484 transitions. [2021-10-29 04:11:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 04:11:59,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:59,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:59,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 04:11:59,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:12:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-10-29 04:12:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 105 states and 508 transitions. [2021-10-29 04:12:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 508 transitions. [2021-10-29 04:12:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-29 04:12:17,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:17,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:12:18,194 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:12:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:12:18,566 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 96 iterations. [2021-10-29 04:12:18,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:12:18 ImpRootNode [2021-10-29 04:12:18,728 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:12:18,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:12:18,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:12:18,729 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:12:18,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:22" (3/4) ... [2021-10-29 04:12:18,731 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:12:18,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:12:18,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:12:18,960 INFO L168 Benchmark]: Toolchain (without parser) took 357127.34 ms. Allocated memory was 109.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 71.6 MB in the beginning and 933.6 MB in the end (delta: -861.9 MB). Peak memory consumption was 431.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,961 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 109.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:18,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.30 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 83.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 81.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:18,963 INFO L168 Benchmark]: Boogie Preprocessor took 41.31 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,963 INFO L168 Benchmark]: RCFGBuilder took 423.50 ms. Allocated memory is still 109.1 MB. Free memory was 80.6 MB in the beginning and 69.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,964 INFO L168 Benchmark]: CodeCheck took 356042.46 ms. Allocated memory was 109.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 69.2 MB in the beginning and 943.0 MB in the end (delta: -873.8 MB). Peak memory consumption was 422.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,965 INFO L168 Benchmark]: Witness Printer took 230.35 ms. Allocated memory is still 1.4 GB. Free memory was 941.9 MB in the beginning and 933.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:18,967 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 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 355.8s, OverallIterations: 96, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -609089328 SDslu, 64 SDs, 0 SdLazy, -229693060 SolverSat, 383793300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 554.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119943 GetRequests, 115813 SyntacticMatches, 2914 SemanticMatches, 1216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931803 ImplicationChecksByTransitivity, 288.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 80.6s InterpolantComputationTime, 8556 NumberOfCodeBlocks, 8556 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 8309 ConstructedInterpolants, 0 QuantifiedInterpolants, 33246 SizeOfPredicates, 150 NumberOfNonLiveVariables, 21105 ConjunctsInSsa, 1818 ConjunctsInUnsatCore, 95 InterpolantComputations, 9 PerfectInterpolantSequences, 46645/53044 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=1] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=1] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=1] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=1] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=1] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=1] [L33] EXPR counter++ VAL [counter=2] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=2] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=2] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=2] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=2] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=2] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=2] [L33] EXPR counter++ VAL [counter=3] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=3] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=3] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=3] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=3] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=3] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=3] [L33] EXPR counter++ VAL [counter=4] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=4] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=4] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=4] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=4] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=4] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=4] [L33] EXPR counter++ VAL [counter=5] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=5] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=5] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=5] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=5] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=5] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=5] [L33] EXPR counter++ VAL [counter=6] [L33] COND FALSE !(counter++<5) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=6] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [counter=6] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=6] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=6] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 109.1 MB. Free memory is still 87.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.30 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 83.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 81.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.31 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 423.50 ms. Allocated memory is still 109.1 MB. Free memory was 80.6 MB in the beginning and 69.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 356042.46 ms. Allocated memory was 109.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 69.2 MB in the beginning and 943.0 MB in the end (delta: -873.8 MB). Peak memory consumption was 422.0 MB. Max. memory is 16.1 GB. * Witness Printer took 230.35 ms. Allocated memory is still 1.4 GB. Free memory was 941.9 MB in the beginning and 933.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:12:19,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611723e0-4cba-4b62-bf29-4cf3c3706bff/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...