./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52.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_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/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_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/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_e2982a77-62f2-4fe8-9ab0-da934614301e/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 154ac9acbf8e778ffeff948005b87fc69e3c98abb9ee270449be2709279a3946 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:14:11,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:14:11,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:14:11,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:14:11,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:14:11,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:14:11,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:14:11,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:14:11,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:14:11,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:14:11,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:14:11,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:14:11,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:14:11,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:14:11,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:14:11,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:14:11,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:14:11,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:14:11,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:14:11,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:14:11,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:14:11,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:14:11,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:14:11,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:14:11,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:14:11,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:14:11,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:14:11,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:14:11,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:14:11,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:14:11,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:14:11,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:14:11,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:14:11,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:14:11,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:14:11,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:14:11,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:14:11,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:14:11,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:14:11,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:14:11,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:14:11,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:14:11,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:14:11,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:14:11,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:14:11,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:14:11,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:14:11,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:14:11,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:14:11,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:14:11,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:14:11,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:14:11,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:14:11,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:14:11,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:14:11,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:14:11,791 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:14:11,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:14:11,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:14:11,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:14:11,793 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:14:11,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:14:11,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:14:11,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:11,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:14:11,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:14:11,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:14:11,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:14:11,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:14:11,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:14:11,796 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_e2982a77-62f2-4fe8-9ab0-da934614301e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154ac9acbf8e778ffeff948005b87fc69e3c98abb9ee270449be2709279a3946 [2021-10-29 04:14:12,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:14:12,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:14:12,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:14:12,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:14:12,251 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:14:12,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2021-10-29 04:14:12,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/data/c4b0ca856/891738f4d8b8419e87a2dcb9c2be3a08/FLAG0d9033f2a [2021-10-29 04:14:12,971 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:14:12,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2021-10-29 04:14:13,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/data/c4b0ca856/891738f4d8b8419e87a2dcb9c2be3a08/FLAG0d9033f2a [2021-10-29 04:14:13,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/data/c4b0ca856/891738f4d8b8419e87a2dcb9c2be3a08 [2021-10-29 04:14:13,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:14:13,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:14:13,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:13,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:14:13,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:14:13,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:13,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5993a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13, skipping insertion in model container [2021-10-29 04:14:13,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:13,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:14:13,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:14:13,722 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_e2982a77-62f2-4fe8-9ab0-da934614301e/sv-benchmarks/c/eca-rers2012/Problem02_label52.c[17244,17257] [2021-10-29 04:14:13,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:13,770 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:14:13,924 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_e2982a77-62f2-4fe8-9ab0-da934614301e/sv-benchmarks/c/eca-rers2012/Problem02_label52.c[17244,17257] [2021-10-29 04:14:13,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:13,977 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:14:13,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13 WrapperNode [2021-10-29 04:14:13,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:13,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:13,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:14:13,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:14:13,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:14,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:14:14,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:14:14,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:14:14,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:14:14,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:14:14,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:14:14,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:14:14,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:13" (1/1) ... [2021-10-29 04:14:14,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:14,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:14:14,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:14:14,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:14:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:14:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:14:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:14:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:14:16,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:14:16,945 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:14:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:16 BoogieIcfgContainer [2021-10-29 04:14:16,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:14:16,951 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:14:16,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:14:16,966 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:14:16,966 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:16" (1/1) ... [2021-10-29 04:14:16,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:14:17,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2021-10-29 04:14:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2021-10-29 04:14:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 04:14:17,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:17,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:17,541 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 04:14:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2021-10-29 04:14:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2021-10-29 04:14:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 04:14:18,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:18,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2021-10-29 04:14:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2021-10-29 04:14:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-29 04:14:19,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:19,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2021-10-29 04:14:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2021-10-29 04:14:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 04:14:19,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:19,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2021-10-29 04:14:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2021-10-29 04:14:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 04:14:20,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:20,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:14:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2021-10-29 04:14:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2021-10-29 04:14:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 04:14:20,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:20,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2021-10-29 04:14:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2021-10-29 04:14:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 04:14:20,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:20,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2021-10-29 04:14:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2021-10-29 04:14:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-29 04:14:20,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:20,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2021-10-29 04:14:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2021-10-29 04:14:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-29 04:14:21,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:21,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 386 states and 495 transitions. [2021-10-29 04:14:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2021-10-29 04:14:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 04:14:22,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:22,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 410 states and 522 transitions. [2021-10-29 04:14:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 522 transitions. [2021-10-29 04:14:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 04:14:22,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:22,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:14:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 428 states and 542 transitions. [2021-10-29 04:14:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 542 transitions. [2021-10-29 04:14:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 04:14:23,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:23,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 442 states and 557 transitions. [2021-10-29 04:14:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 557 transitions. [2021-10-29 04:14:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-29 04:14:23,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:23,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 449 states and 564 transitions. [2021-10-29 04:14:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 564 transitions. [2021-10-29 04:14:23,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-29 04:14:23,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:23,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:14:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 455 states and 572 transitions. [2021-10-29 04:14:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 572 transitions. [2021-10-29 04:14:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 04:14:23,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:23,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 462 states and 579 transitions. [2021-10-29 04:14:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 579 transitions. [2021-10-29 04:14:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 04:14:24,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 476 states and 597 transitions. [2021-10-29 04:14:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 597 transitions. [2021-10-29 04:14:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-29 04:14:24,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:14:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 491 states and 615 transitions. [2021-10-29 04:14:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 615 transitions. [2021-10-29 04:14:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-29 04:14:24,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 540 states and 674 transitions. [2021-10-29 04:14:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 674 transitions. [2021-10-29 04:14:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-29 04:14:26,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 550 states and 685 transitions. [2021-10-29 04:14:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 685 transitions. [2021-10-29 04:14:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-29 04:14:26,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:14:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2021-10-29 04:14:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2021-10-29 04:14:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-29 04:14:26,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 663 states and 808 transitions. [2021-10-29 04:14:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 808 transitions. [2021-10-29 04:14:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 04:14:28,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:28,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 698 states and 846 transitions. [2021-10-29 04:14:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 846 transitions. [2021-10-29 04:14:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 04:14:28,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:28,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 728 states and 880 transitions. [2021-10-29 04:14:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 880 transitions. [2021-10-29 04:14:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 04:14:30,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:30,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 759 states and 921 transitions. [2021-10-29 04:14:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 921 transitions. [2021-10-29 04:14:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-29 04:14:30,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:30,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 04:14:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 792 states and 957 transitions. [2021-10-29 04:14:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 957 transitions. [2021-10-29 04:14:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 04:14:31,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:31,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 04:14:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 843 states and 1016 transitions. [2021-10-29 04:14:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1016 transitions. [2021-10-29 04:14:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-29 04:14:32,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:32,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:14:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 846 states and 1019 transitions. [2021-10-29 04:14:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1019 transitions. [2021-10-29 04:14:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-29 04:14:32,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:32,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 04:14:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 872 states and 1050 transitions. [2021-10-29 04:14:33,137 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1050 transitions. [2021-10-29 04:14:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-29 04:14:33,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:33,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 903 states and 1086 transitions. [2021-10-29 04:14:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1086 transitions. [2021-10-29 04:14:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-29 04:14:33,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:33,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 920 states and 1105 transitions. [2021-10-29 04:14:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1105 transitions. [2021-10-29 04:14:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-29 04:14:34,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:34,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 927 states and 1114 transitions. [2021-10-29 04:14:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1114 transitions. [2021-10-29 04:14:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-10-29 04:14:34,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:34,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 83 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 991 states and 1184 transitions. [2021-10-29 04:14:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1184 transitions. [2021-10-29 04:14:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 04:14:37,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:37,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1025 states and 1224 transitions. [2021-10-29 04:14:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1224 transitions. [2021-10-29 04:14:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 04:14:38,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:38,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:14:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1042 states and 1242 transitions. [2021-10-29 04:14:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1242 transitions. [2021-10-29 04:14:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 04:14:38,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:38,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 04:14:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1051 states and 1251 transitions. [2021-10-29 04:14:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1251 transitions. [2021-10-29 04:14:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-29 04:14:38,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:38,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:14:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1067 states and 1268 transitions. [2021-10-29 04:14:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1268 transitions. [2021-10-29 04:14:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-29 04:14:39,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:39,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 04:14:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1104 states and 1308 transitions. [2021-10-29 04:14:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1308 transitions. [2021-10-29 04:14:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-29 04:14:40,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:40,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-29 04:14:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:41,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1106 states and 1311 transitions. [2021-10-29 04:14:41,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1311 transitions. [2021-10-29 04:14:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-29 04:14:41,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:41,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 04:14:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1107 states and 1311 transitions. [2021-10-29 04:14:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1311 transitions. [2021-10-29 04:14:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 04:14:41,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:41,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1150 states and 1361 transitions. [2021-10-29 04:14:42,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1361 transitions. [2021-10-29 04:14:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-29 04:14:42,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:42,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 111 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:14:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1163 states and 1377 transitions. [2021-10-29 04:14:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1377 transitions. [2021-10-29 04:14:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-29 04:14:44,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:44,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-29 04:14:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1176 states and 1391 transitions. [2021-10-29 04:14:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1391 transitions. [2021-10-29 04:14:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 04:14:44,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:44,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 04:14:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1177 states and 1391 transitions. [2021-10-29 04:14:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1391 transitions. [2021-10-29 04:14:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-29 04:14:45,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:45,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:14:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1211 states and 1432 transitions. [2021-10-29 04:14:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1432 transitions. [2021-10-29 04:14:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-10-29 04:14:45,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:45,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-29 04:14:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1224 states and 1447 transitions. [2021-10-29 04:14:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1447 transitions. [2021-10-29 04:14:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-10-29 04:14:46,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:46,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-29 04:14:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1278 states and 1511 transitions. [2021-10-29 04:14:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1511 transitions. [2021-10-29 04:14:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 04:14:47,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:47,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-29 04:14:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1311 states and 1551 transitions. [2021-10-29 04:14:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1551 transitions. [2021-10-29 04:14:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-29 04:14:48,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:48,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 04:14:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1341 states and 1581 transitions. [2021-10-29 04:14:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1581 transitions. [2021-10-29 04:14:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-29 04:14:48,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:48,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 04:14:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:49,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1353 states and 1592 transitions. [2021-10-29 04:14:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1592 transitions. [2021-10-29 04:14:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-29 04:14:49,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:49,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 04:14:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1354 states and 1592 transitions. [2021-10-29 04:14:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1592 transitions. [2021-10-29 04:14:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-29 04:14:49,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:49,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-29 04:14:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1371 states and 1609 transitions. [2021-10-29 04:14:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1609 transitions. [2021-10-29 04:14:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 04:14:49,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:49,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1401 states and 1639 transitions. [2021-10-29 04:14:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1639 transitions. [2021-10-29 04:14:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 04:14:50,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:50,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1414 states and 1651 transitions. [2021-10-29 04:14:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1651 transitions. [2021-10-29 04:14:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-10-29 04:14:50,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:50,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 191 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1496 states and 1734 transitions. [2021-10-29 04:14:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1734 transitions. [2021-10-29 04:14:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 04:14:54,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:54,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-29 04:14:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1574 states and 1816 transitions. [2021-10-29 04:14:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1816 transitions. [2021-10-29 04:14:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 04:14:57,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:57,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-29 04:14:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1605 states and 1847 transitions. [2021-10-29 04:14:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1847 transitions. [2021-10-29 04:14:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 04:14:59,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:59,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-29 04:14:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1618 states and 1859 transitions. [2021-10-29 04:14:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1859 transitions. [2021-10-29 04:14:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-29 04:14:59,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:59,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:15:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1661 states and 1909 transitions. [2021-10-29 04:15:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1909 transitions. [2021-10-29 04:15:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-29 04:15:01,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:01,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:15:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1698 states and 1947 transitions. [2021-10-29 04:15:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 1947 transitions. [2021-10-29 04:15:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-29 04:15:02,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:02,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:03,016 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 04:15:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:03,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1715 states and 1964 transitions. [2021-10-29 04:15:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 1964 transitions. [2021-10-29 04:15:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-10-29 04:15:03,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:03,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 04:15:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1827 states and 2085 transitions. [2021-10-29 04:15:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2085 transitions. [2021-10-29 04:15:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-10-29 04:15:07,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:07,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 04:15:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1844 states and 2101 transitions. [2021-10-29 04:15:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2101 transitions. [2021-10-29 04:15:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-29 04:15:07,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:07,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 04:15:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1922 states and 2184 transitions. [2021-10-29 04:15:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2184 transitions. [2021-10-29 04:15:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-29 04:15:11,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:11,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 04:15:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1934 states and 2195 transitions. [2021-10-29 04:15:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2195 transitions. [2021-10-29 04:15:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-29 04:15:12,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:12,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 04:15:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1964 states and 2224 transitions. [2021-10-29 04:15:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2224 transitions. [2021-10-29 04:15:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-10-29 04:15:13,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:13,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 324 proven. 20 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-10-29 04:15:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2008 states and 2273 transitions. [2021-10-29 04:15:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2273 transitions. [2021-10-29 04:15:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-10-29 04:15:15,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:15,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 04:15:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2035 states and 2301 transitions. [2021-10-29 04:15:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2301 transitions. [2021-10-29 04:15:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:16,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:16,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2081 states and 2354 transitions. [2021-10-29 04:15:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2354 transitions. [2021-10-29 04:15:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:18,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:18,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2093 states and 2365 transitions. [2021-10-29 04:15:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2365 transitions. [2021-10-29 04:15:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:18,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:18,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2106 states and 2377 transitions. [2021-10-29 04:15:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2377 transitions. [2021-10-29 04:15:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:19,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:19,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2136 states and 2406 transitions. [2021-10-29 04:15:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2406 transitions. [2021-10-29 04:15:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:20,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:20,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2162 states and 2434 transitions. [2021-10-29 04:15:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2434 transitions. [2021-10-29 04:15:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:21,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:21,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2175 states and 2449 transitions. [2021-10-29 04:15:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2449 transitions. [2021-10-29 04:15:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:22,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:22,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2188 states and 2461 transitions. [2021-10-29 04:15:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2461 transitions. [2021-10-29 04:15:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:23,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:23,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2201 states and 2473 transitions. [2021-10-29 04:15:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2473 transitions. [2021-10-29 04:15:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-29 04:15:23,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:23,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-29 04:15:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1749 states and 1975 transitions. [2021-10-29 04:15:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 1975 transitions. [2021-10-29 04:15:24,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:15:24,419 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2021-10-29 04:15:24,428 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:15:35,651 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 04:15:35,676 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 04:15:35,678 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:15:35,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:15:35 ImpRootNode [2021-10-29 04:15:35,679 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:15:35,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:15:35,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:15:35,680 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:15:35,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:16" (3/4) ... [2021-10-29 04:15:35,685 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:15:35,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2021-10-29 04:15:35,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:15:35,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 04:15:35,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:15:35,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:15:35,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:15:35,973 INFO L168 Benchmark]: Toolchain (without parser) took 82706.21 ms. Allocated memory was 88.1 MB in the beginning and 708.8 MB in the end (delta: 620.8 MB). Free memory was 51.8 MB in the beginning and 525.1 MB in the end (delta: -473.3 MB). Peak memory consumption was 146.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,973 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:35,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.56 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.5 MB in the beginning and 73.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.81 ms. Allocated memory is still 113.2 MB. Free memory was 73.8 MB in the beginning and 68.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,976 INFO L168 Benchmark]: Boogie Preprocessor took 104.07 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,976 INFO L168 Benchmark]: RCFGBuilder took 2726.22 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 63.8 MB in the beginning and 120.0 MB in the end (delta: -56.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,977 INFO L168 Benchmark]: CodeCheck took 78728.65 ms. Allocated memory was 161.5 MB in the beginning and 708.8 MB in the end (delta: 547.4 MB). Free memory was 120.0 MB in the beginning and 539.8 MB in the end (delta: -419.7 MB). Peak memory consumption was 443.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,977 INFO L168 Benchmark]: Witness Printer took 291.07 ms. Allocated memory is still 708.8 MB. Free memory was 539.8 MB in the beginning and 525.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:35,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.4s, OverallIterations: 77, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9602112 SDtfs, -906736624 SDslu, 57624960 SDs, 0 SdLazy, -741924384 SolverSat, -1966488304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 433.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97065 GetRequests, 94724 SyntacticMatches, 1753 SemanticMatches, 588 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197526 ImplicationChecksByTransitivity, 42.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 14578 NumberOfCodeBlocks, 14578 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 14502 ConstructedInterpolants, 0 QuantifiedInterpolants, 49194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 61 PerfectInterpolantSequences, 14839/15309 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 494]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 710.56 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.5 MB in the beginning and 73.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.81 ms. Allocated memory is still 113.2 MB. Free memory was 73.8 MB in the beginning and 68.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.07 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 63.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2726.22 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 63.8 MB in the beginning and 120.0 MB in the end (delta: -56.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 78728.65 ms. Allocated memory was 161.5 MB in the beginning and 708.8 MB in the end (delta: 547.4 MB). Free memory was 120.0 MB in the beginning and 539.8 MB in the end (delta: -419.7 MB). Peak memory consumption was 443.1 MB. Max. memory is 16.1 GB. * Witness Printer took 291.07 ms. Allocated memory is still 708.8 MB. Free memory was 539.8 MB in the beginning and 525.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:15:36,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2982a77-62f2-4fe8-9ab0-da934614301e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...