./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB --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 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:06:52,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:52,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:52,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:52,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:52,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:52,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:52,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:52,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:52,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:52,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:52,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:52,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:52,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:52,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:52,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:52,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:52,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:52,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:52,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:52,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:52,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:52,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:52,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:52,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:52,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:52,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:52,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:52,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:52,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:52,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:52,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:52,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:52,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:52,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:52,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:52,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:52,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:52,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:52,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:52,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:52,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:52,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:52,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:52,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:52,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:52,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:52,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:52,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:52,269 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:52,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:52,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:52,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:52,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:52,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:52,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:52,271 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:52,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:52,272 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:52,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:52,272 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:52,272 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:52,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:52,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:52,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:52,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:52,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:52,274 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:52,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:52,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:52,274 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_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2022-10-17 17:06:52,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:52,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:52,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:52,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:52,592 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:52,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/init-3-u.c [2022-10-17 17:06:52,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/data/ddec106d5/3d505611a7e34900b3f5e9643fcdcff7/FLAGfc16c14df [2022-10-17 17:06:53,176 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:53,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/sv-benchmarks/c/array-multidimensional/init-3-u.c [2022-10-17 17:06:53,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/data/ddec106d5/3d505611a7e34900b3f5e9643fcdcff7/FLAGfc16c14df [2022-10-17 17:06:53,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/data/ddec106d5/3d505611a7e34900b3f5e9643fcdcff7 [2022-10-17 17:06:53,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:53,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:53,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:53,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:53,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:53,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d84dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53, skipping insertion in model container [2022-10-17 17:06:53,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:53,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:53,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/sv-benchmarks/c/array-multidimensional/init-3-u.c[320,333] [2022-10-17 17:06:53,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:53,798 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:53,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/sv-benchmarks/c/array-multidimensional/init-3-u.c[320,333] [2022-10-17 17:06:53,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:53,833 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:53,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53 WrapperNode [2022-10-17 17:06:53,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:53,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:53,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:53,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:53,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,870 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-10-17 17:06:53,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:53,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:53,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:53,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:53,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:53,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:53,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:53,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:53,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:53" (1/1) ... [2022-10-17 17:06:53,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:53,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:53,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb55720-f2bd-44e6-8502-4ca05e97a09b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:06:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:06:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:06:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:54,053 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:54,055 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:54,280 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:54,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:54,358 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:06:54,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:54 BoogieIcfgContainer [2022-10-17 17:06:54,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:54,361 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:54,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:54,401 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:54,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:54" (1/1) ... [2022-10-17 17:06:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-10-17 17:06:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-10-17 17:06:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:54,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:54,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:54,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 17:06:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 17:06:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:06:54,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:54,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:54,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 17:06:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 17:06:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:06:54,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:54,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:54,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2022-10-17 17:06:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2022-10-17 17:06:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:06:55,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:06:55,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2022-10-17 17:06:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2022-10-17 17:06:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:55,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:06:55,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-10-17 17:06:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-10-17 17:06:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:55,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:06:55,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 17:06:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 17:06:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:55,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:55,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-10-17 17:06:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-10-17 17:06:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:55,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:06:55,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 17:06:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 17:06:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:56,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:06:56,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2022-10-17 17:06:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-10-17 17:06:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:56,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:06:56,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 17:06:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 17:06:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:06:56,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:56,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 17:06:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:06:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:06:56,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:56,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:06:56,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 17:06:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:06:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:06:56,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:57,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-10-17 17:06:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-10-17 17:06:57,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:06:57,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:06:57,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2022-10-17 17:06:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-10-17 17:06:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:57,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:06:57,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 17:06:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 17:06:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:06:57,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:06:57,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-10-17 17:06:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-10-17 17:06:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:06:58,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:58,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:06:58,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-10-17 17:06:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-10-17 17:06:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:06:58,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:58,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:06:58,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-10-17 17:06:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-10-17 17:06:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:06:58,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:58,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:06:58,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-10-17 17:06:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-10-17 17:06:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:06:59,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:59,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:59,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:06:59,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-10-17 17:06:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-10-17 17:06:59,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:06:59,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:59,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:59,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:06:59,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2022-10-17 17:06:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-10-17 17:06:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:59,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:59,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:06:59,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-10-17 17:07:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-10-17 17:07:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:07:00,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:00,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:07:00,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-10-17 17:07:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-10-17 17:07:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:00,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:00,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:00,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:07:00,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-10-17 17:07:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-10-17 17:07:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:07:00,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:00,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:00,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:07:00,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2022-10-17 17:07:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2022-10-17 17:07:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:07:01,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:01,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:01,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:07:01,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2022-10-17 17:07:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-10-17 17:07:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:07:01,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:01,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:01,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:07:01,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-10-17 17:07:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-10-17 17:07:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:07:01,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:01,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:07:01,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2022-10-17 17:07:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-10-17 17:07:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:07:02,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:07:02,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-10-17 17:07:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-10-17 17:07:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:07:02,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:07:02,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2022-10-17 17:07:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-10-17 17:07:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:07:03,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:07:03,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2022-10-17 17:07:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-10-17 17:07:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:07:03,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:07:03,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 54 transitions. [2022-10-17 17:07:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-10-17 17:07:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:07:03,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:07:04,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:04,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2022-10-17 17:07:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-10-17 17:07:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:07:04,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:07:04,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-10-17 17:07:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-10-17 17:07:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:07:04,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:07:04,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2022-10-17 17:07:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-10-17 17:07:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:07:05,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:05,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:07:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-10-17 17:07:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-10-17 17:07:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:07:05,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:05,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:05,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:07:05,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-10-17 17:07:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-10-17 17:07:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:07:06,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:06,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:07:06,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-10-17 17:07:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-10-17 17:07:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:07:06,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:06,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:07:06,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2022-10-17 17:07:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-10-17 17:07:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:07:07,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:07:07,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2022-10-17 17:07:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-10-17 17:07:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:07:07,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:07,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:07,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:07:07,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-10-17 17:07:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-10-17 17:07:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:07:08,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:07:08,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2022-10-17 17:07:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-10-17 17:07:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:07:08,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:07:08,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2022-10-17 17:07:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-10-17 17:07:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:07:09,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:09,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:07:09,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2022-10-17 17:07:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-10-17 17:07:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:07:09,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:09,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:07:09,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 57 states and 67 transitions. [2022-10-17 17:07:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-10-17 17:07:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:07:10,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:07:10,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2022-10-17 17:07:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-10-17 17:07:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:07:10,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:10,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:07:10,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2022-10-17 17:07:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-10-17 17:07:11,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:07:11,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:11,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:07:11,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2022-10-17 17:07:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-10-17 17:07:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:07:11,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:11,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:07:11,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 61 states and 71 transitions. [2022-10-17 17:07:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2022-10-17 17:07:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:07:12,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:12,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:12,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:07:12,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2022-10-17 17:07:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2022-10-17 17:07:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:07:12,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:13,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:07:13,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2022-10-17 17:07:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2022-10-17 17:07:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:07:13,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:13,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:07:13,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2022-10-17 17:07:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-10-17 17:07:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:07:14,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:14,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:07:14,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2022-10-17 17:07:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-10-17 17:07:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:07:14,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:14,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:07:14,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2022-10-17 17:07:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-10-17 17:07:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:07:15,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:15,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:15,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:07:15,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2022-10-17 17:07:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-10-17 17:07:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:07:15,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:15,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:07:15,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2022-10-17 17:07:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-10-17 17:07:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:07:16,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:16,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:07:16,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2022-10-17 17:07:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2022-10-17 17:07:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:07:16,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:17,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:07:17,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2022-10-17 17:07:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2022-10-17 17:07:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:07:17,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:17,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 17:07:17,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2022-10-17 17:07:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2022-10-17 17:07:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:07:18,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:18,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 17:07:18,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2022-10-17 17:07:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2022-10-17 17:07:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:07:18,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:19,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:07:19,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2022-10-17 17:07:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-10-17 17:07:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:07:19,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:19,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:19,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 17:07:19,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 74 states and 84 transitions. [2022-10-17 17:07:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-10-17 17:07:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:07:20,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:20,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 17:07:20,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2022-10-17 17:07:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-10-17 17:07:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:07:20,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 17:07:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-10-17 17:07:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-10-17 17:07:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:07:21,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 65 conjunts are in the unsatisfiable core [2022-10-17 17:07:21,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-10-17 17:07:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-10-17 17:07:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:07:22,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:22,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-17 17:07:22,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2022-10-17 17:07:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-10-17 17:07:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:07:23,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:23,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:23,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 67 conjunts are in the unsatisfiable core [2022-10-17 17:07:23,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:07:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2022-10-17 17:07:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-10-17 17:07:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 17:07:24,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms