./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:51,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:51,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:51,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:51,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:51,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:51,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:51,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:51,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:51,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:51,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:51,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:51,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:51,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:51,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:51,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:51,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:51,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:51,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:51,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:51,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:51,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:51,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:51,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:51,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:51,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:51,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:51,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:51,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:51,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:51,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:51,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:51,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:51,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:51,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:51,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:51,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:51,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:51,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:51,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:51,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:51,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:30:52,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:52,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:52,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:52,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:52,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:52,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:52,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:52,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:52,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:52,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:52,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:52,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:52,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:52,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:52,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:52,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:52,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:52,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:52,042 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:52,042 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:52,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:52,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:52,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:52,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:52,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:52,043 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:52,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:52,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:52,044 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_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 [2021-11-23 01:30:52,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:52,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:52,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:52,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:52,363 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:52,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2021-11-23 01:30:52,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/data/4ac228b57/d97d766eb4484f26a1a7715277eb1e14/FLAGc36a8ef9b [2021-11-23 01:30:52,939 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:52,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2021-11-23 01:30:52,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/data/4ac228b57/d97d766eb4484f26a1a7715277eb1e14/FLAGc36a8ef9b [2021-11-23 01:30:53,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/data/4ac228b57/d97d766eb4484f26a1a7715277eb1e14 [2021-11-23 01:30:53,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:53,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:53,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:53,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:53,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:53,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763262aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53, skipping insertion in model container [2021-11-23 01:30:53,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:53,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:53,545 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_85125ab3-203b-4707-9d3a-5f115146434c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c[520,533] [2021-11-23 01:30:53,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:53,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:53,586 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_85125ab3-203b-4707-9d3a-5f115146434c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c[520,533] [2021-11-23 01:30:53,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:53,608 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:53,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53 WrapperNode [2021-11-23 01:30:53,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:53,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:53,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:53,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:53,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,649 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 01:30:53,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:53,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:53,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:53,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:53,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:53,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:53,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:53,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:53,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:53" (1/1) ... [2021-11-23 01:30:53,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:53,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:53,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85125ab3-203b-4707-9d3a-5f115146434c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:30:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:30:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:30:53,874 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:53,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:53,998 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:54,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:54,012 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:30:54,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:54 BoogieIcfgContainer [2021-11-23 01:30:54,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:54,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:54,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:54,030 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:54,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:54" (1/1) ... [2021-11-23 01:30:54,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 01:30:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 01:30:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:30:54,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:54,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 01:30:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 01:30:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:30:54,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:54,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:54,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:30:54,439 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:30:54,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:30:54,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:54,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-23 01:30:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-23 01:30:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:54,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:54,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:30:55,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 01:30:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 01:30:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:30:55,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:55,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:30:55,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-23 01:30:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-23 01:30:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:30:55,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:55,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:55,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:30:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2021-11-23 01:30:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-23 01:30:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:30:56,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:56,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2021-11-23 01:30:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 01:30:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:30:57,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:57,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:57,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:30:57,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 106 transitions. [2021-11-23 01:30:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2021-11-23 01:30:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:30:58,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:58,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:58,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:58,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 107 transitions. [2021-11-23 01:30:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2021-11-23 01:30:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:30:59,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:59,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:59,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:59,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:30:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 114 transitions. [2021-11-23 01:30:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-23 01:30:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:30:59,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:59,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:59,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:30:59,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:31:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 124 transitions. [2021-11-23 01:31:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-11-23 01:31:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:31:01,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:01,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:01,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:01,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:31:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2021-11-23 01:31:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2021-11-23 01:31:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:31:01,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:01,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:01,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:01,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:31:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 122 transitions. [2021-11-23 01:31:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2021-11-23 01:31:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:31:02,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:02,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:31:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 54 states and 130 transitions. [2021-11-23 01:31:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 130 transitions. [2021-11-23 01:31:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:31:03,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:03,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:03,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:03,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:31:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 132 transitions. [2021-11-23 01:31:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 132 transitions. [2021-11-23 01:31:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:03,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:03,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:03,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:31:03,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:31:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 154 transitions. [2021-11-23 01:31:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 154 transitions. [2021-11-23 01:31:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:05,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:05,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:05,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 65 states and 168 transitions. [2021-11-23 01:31:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 168 transitions. [2021-11-23 01:31:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:06,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:06,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:06,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:06,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 67 states and 169 transitions. [2021-11-23 01:31:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 169 transitions. [2021-11-23 01:31:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:07,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:07,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:07,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:31:07,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:31:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 71 states and 203 transitions. [2021-11-23 01:31:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 203 transitions. [2021-11-23 01:31:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:08,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:08,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:08,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:08,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 73 states and 204 transitions. [2021-11-23 01:31:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 204 transitions. [2021-11-23 01:31:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:31:08,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:08,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:08,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:31:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 73 states and 203 transitions. [2021-11-23 01:31:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 203 transitions. [2021-11-23 01:31:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:31:09,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:09,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:09,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:31:09,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:31:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 75 states and 218 transitions. [2021-11-23 01:31:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 218 transitions. [2021-11-23 01:31:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:31:10,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:10,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:10,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:31:10,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:31:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 75 states and 217 transitions. [2021-11-23 01:31:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2021-11-23 01:31:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:31:11,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:11,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:11,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:31:11,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:31:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 75 states and 216 transitions. [2021-11-23 01:31:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 216 transitions. [2021-11-23 01:31:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:12,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:12,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:12,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:12,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:31:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 76 states and 228 transitions. [2021-11-23 01:31:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 228 transitions. [2021-11-23 01:31:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:31:13,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:13,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:13,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:13,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-23 01:31:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 77 states and 231 transitions. [2021-11-23 01:31:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 231 transitions. [2021-11-23 01:31:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:13,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:13,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:14,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:14,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:31:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 81 states and 247 transitions. [2021-11-23 01:31:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 247 transitions. [2021-11-23 01:31:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:15,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:15,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:15,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:15,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:31:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 83 states and 248 transitions. [2021-11-23 01:31:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 248 transitions. [2021-11-23 01:31:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:16,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:16,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:16,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:16,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:31:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 85 states and 249 transitions. [2021-11-23 01:31:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 249 transitions. [2021-11-23 01:31:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:17,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:17,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:31:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:17,636 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:31:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 95 states and 322 transitions. [2021-11-23 01:31:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 322 transitions. [2021-11-23 01:31:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:20,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:20,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:20,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:20,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:31:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 98 states and 326 transitions. [2021-11-23 01:31:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-23 01:31:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:21,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:31:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:31:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 98 states and 325 transitions. [2021-11-23 01:31:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 325 transitions. [2021-11-23 01:31:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:31:21,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:31:21,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:31:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 98 states and 324 transitions. [2021-11-23 01:31:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 324 transitions. [2021-11-23 01:31:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:31:22,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:31:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 98 states and 323 transitions. [2021-11-23 01:31:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 323 transitions. [2021-11-23 01:31:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:31:23,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:23,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:23,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:31:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 98 states and 322 transitions. [2021-11-23 01:31:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 322 transitions. [2021-11-23 01:31:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:31:23,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:23,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:31:23,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:31:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 100 states and 342 transitions. [2021-11-23 01:31:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 342 transitions. [2021-11-23 01:31:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:31:25,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:25,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:25,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:31:25,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:31:26,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 100 states and 341 transitions. [2021-11-23 01:31:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 341 transitions. [2021-11-23 01:31:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:31:26,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:26,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:26,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:31:26,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:31:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 100 states and 340 transitions. [2021-11-23 01:31:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 340 transitions. [2021-11-23 01:31:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:31:27,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:31:27,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:31:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 100 states and 339 transitions. [2021-11-23 01:31:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 339 transitions. [2021-11-23 01:31:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:31:29,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:29,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:29,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:29,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:31:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 101 states and 355 transitions. [2021-11-23 01:31:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 355 transitions. [2021-11-23 01:31:30,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:31:30,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:30,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:30,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-23 01:31:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 102 states and 359 transitions. [2021-11-23 01:31:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 359 transitions. [2021-11-23 01:31:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:30,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:30,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:30,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:31:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 106 states and 376 transitions. [2021-11-23 01:31:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 376 transitions. [2021-11-23 01:31:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:32,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:32,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:32,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:32,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:31:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 109 states and 382 transitions. [2021-11-23 01:31:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 382 transitions. [2021-11-23 01:31:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:34,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:34,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:34,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:34,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:31:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 111 states and 383 transitions. [2021-11-23 01:31:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 383 transitions. [2021-11-23 01:31:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:35,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:35,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:35,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:35,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:31:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 113 states and 384 transitions. [2021-11-23 01:31:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 384 transitions. [2021-11-23 01:31:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:36,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:36,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:36,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:36,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:31:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 123 states and 472 transitions. [2021-11-23 01:31:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 472 transitions. [2021-11-23 01:31:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:40,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:40,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:40,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:31:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 126 states and 476 transitions. [2021-11-23 01:31:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 476 transitions. [2021-11-23 01:31:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:42,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:42,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:31:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 126 states and 475 transitions. [2021-11-23 01:31:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 475 transitions. [2021-11-23 01:31:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:42,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:42,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:31:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 126 states and 474 transitions. [2021-11-23 01:31:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 474 transitions. [2021-11-23 01:31:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:31:43,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:43,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:43,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:43,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:31:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 126 states and 473 transitions. [2021-11-23 01:31:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 473 transitions. [2021-11-23 01:31:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:31:44,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:44,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:44,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:31:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 126 states and 472 transitions. [2021-11-23 01:31:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 472 transitions. [2021-11-23 01:31:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:31:44,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:44,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:44,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:31:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 126 states and 471 transitions. [2021-11-23 01:31:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 471 transitions. [2021-11-23 01:31:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:31:45,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:45,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:45,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:45,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:31:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 126 states and 470 transitions. [2021-11-23 01:31:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 470 transitions. [2021-11-23 01:31:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:31:45,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:45,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:45,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:31:45,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:31:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 128 states and 495 transitions. [2021-11-23 01:31:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 495 transitions. [2021-11-23 01:31:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:31:48,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:48,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:48,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:31:48,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:31:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 128 states and 494 transitions. [2021-11-23 01:31:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 494 transitions. [2021-11-23 01:31:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:31:50,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:50,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:50,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:31:50,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:31:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 128 states and 493 transitions. [2021-11-23 01:31:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 493 transitions. [2021-11-23 01:31:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:31:51,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:51,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:51,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:31:51,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:31:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 128 states and 492 transitions. [2021-11-23 01:31:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 492 transitions. [2021-11-23 01:31:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:31:53,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:31:53,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:31:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 128 states and 491 transitions. [2021-11-23 01:31:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 491 transitions. [2021-11-23 01:31:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:31:54,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:54,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:55,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:31:55,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:31:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 129 states and 511 transitions. [2021-11-23 01:31:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 511 transitions. [2021-11-23 01:31:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:31:57,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:57,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:57,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:57,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-23 01:31:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 130 states and 516 transitions. [2021-11-23 01:31:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 516 transitions. [2021-11-23 01:31:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:31:57,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:57,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:57,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:31:57,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 134 states and 538 transitions. [2021-11-23 01:32:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 538 transitions. [2021-11-23 01:32:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:00,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:00,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:00,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:00,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 137 states and 542 transitions. [2021-11-23 01:32:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 542 transitions. [2021-11-23 01:32:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:02,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:02,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:02,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:02,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 139 states and 543 transitions. [2021-11-23 01:32:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 543 transitions. [2021-11-23 01:32:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:04,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:04,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 141 states and 544 transitions. [2021-11-23 01:32:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 544 transitions. [2021-11-23 01:32:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:06,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:06,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:06,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:06,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 144 states and 548 transitions. [2021-11-23 01:32:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 548 transitions. [2021-11-23 01:32:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:08,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:08,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:08,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:08,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 154 states and 651 transitions. [2021-11-23 01:32:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 651 transitions. [2021-11-23 01:32:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:13,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:13,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:13,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:13,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:32:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 157 states and 655 transitions. [2021-11-23 01:32:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 655 transitions. [2021-11-23 01:32:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:15,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:15,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 157 states and 654 transitions. [2021-11-23 01:32:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 654 transitions. [2021-11-23 01:32:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:16,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:16,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:16,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 157 states and 653 transitions. [2021-11-23 01:32:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 653 transitions. [2021-11-23 01:32:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:17,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:17,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:17,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:17,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 157 states and 652 transitions. [2021-11-23 01:32:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 652 transitions. [2021-11-23 01:32:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:32:18,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:18,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:18,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:18,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 157 states and 651 transitions. [2021-11-23 01:32:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 651 transitions. [2021-11-23 01:32:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:32:19,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:19,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:19,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:32:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 157 states and 650 transitions. [2021-11-23 01:32:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 650 transitions. [2021-11-23 01:32:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:32:20,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:20,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:32:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 157 states and 649 transitions. [2021-11-23 01:32:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 649 transitions. [2021-11-23 01:32:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:32:21,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:32:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 157 states and 648 transitions. [2021-11-23 01:32:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 648 transitions. [2021-11-23 01:32:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:32:21,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:32:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 157 states and 647 transitions. [2021-11-23 01:32:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 647 transitions. [2021-11-23 01:32:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:21,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 159 states and 677 transitions. [2021-11-23 01:32:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 677 transitions. [2021-11-23 01:32:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:25,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:25,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:25,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:25,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 159 states and 676 transitions. [2021-11-23 01:32:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 676 transitions. [2021-11-23 01:32:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:27,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:27,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 159 states and 675 transitions. [2021-11-23 01:32:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 675 transitions. [2021-11-23 01:32:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:29,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:29,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:29,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:29,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 159 states and 674 transitions. [2021-11-23 01:32:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 674 transitions. [2021-11-23 01:32:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:31,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:31,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 159 states and 673 transitions. [2021-11-23 01:32:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 673 transitions. [2021-11-23 01:32:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:32:34,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:32:34,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:32:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 159 states and 672 transitions. [2021-11-23 01:32:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 672 transitions. [2021-11-23 01:32:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:32:36,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:36,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 34 proven. 85 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:32:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 160 states and 696 transitions. [2021-11-23 01:32:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 696 transitions. [2021-11-23 01:32:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:32:39,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:39,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-11-23 01:32:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 161 states and 702 transitions. [2021-11-23 01:32:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 702 transitions. [2021-11-23 01:32:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:40,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:40,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:40,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:40,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:32:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 165 states and 725 transitions. [2021-11-23 01:32:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 725 transitions. [2021-11-23 01:32:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:44,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:44,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:32:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 168 states and 731 transitions. [2021-11-23 01:32:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 731 transitions. [2021-11-23 01:32:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:47,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:47,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:32:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 178 states and 849 transitions. [2021-11-23 01:32:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 849 transitions. [2021-11-23 01:32:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:54,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:54,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:54,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:54,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:32:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 180 states and 850 transitions. [2021-11-23 01:32:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 850 transitions. [2021-11-23 01:32:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:56,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:56,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:56,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:56,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:32:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 180 states and 849 transitions. [2021-11-23 01:32:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 849 transitions. [2021-11-23 01:32:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:32:57,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:57,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:57,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:33:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 183 states and 853 transitions. [2021-11-23 01:33:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 853 transitions. [2021-11-23 01:33:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:00,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:00,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:33:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:33:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 185 states and 854 transitions. [2021-11-23 01:33:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 854 transitions. [2021-11-23 01:33:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:03,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:03,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:03,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:03,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:33:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 185 states and 853 transitions. [2021-11-23 01:33:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 853 transitions. [2021-11-23 01:33:04,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:04,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:33:04,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:33:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 188 states and 857 transitions. [2021-11-23 01:33:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 857 transitions. [2021-11-23 01:33:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:07,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:07,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:33:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 188 states and 856 transitions. [2021-11-23 01:33:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 856 transitions. [2021-11-23 01:33:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:08,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:33:08,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:33:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 191 states and 860 transitions. [2021-11-23 01:33:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 860 transitions. [2021-11-23 01:33:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:10,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:10,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:11,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:11,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:33:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 191 states and 859 transitions. [2021-11-23 01:33:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 859 transitions. [2021-11-23 01:33:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:33:12,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:12,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:12,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:33:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 191 states and 858 transitions. [2021-11-23 01:33:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 858 transitions. [2021-11-23 01:33:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:33:13,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:13,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:33:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 191 states and 857 transitions. [2021-11-23 01:33:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 857 transitions. [2021-11-23 01:33:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:33:13,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:13,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:33:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 191 states and 856 transitions. [2021-11-23 01:33:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 856 transitions. [2021-11-23 01:33:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:33:14,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:14,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:33:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 191 states and 855 transitions. [2021-11-23 01:33:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 855 transitions. [2021-11-23 01:33:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:33:14,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:14,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:33:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 191 states and 854 transitions. [2021-11-23 01:33:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 854 transitions. [2021-11-23 01:33:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:33:15,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:15,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:33:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 191 states and 853 transitions. [2021-11-23 01:33:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 853 transitions. [2021-11-23 01:33:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:16,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:16,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:16,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:16,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 193 states and 888 transitions. [2021-11-23 01:33:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 888 transitions. [2021-11-23 01:33:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:22,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:22,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:22,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 193 states and 887 transitions. [2021-11-23 01:33:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 887 transitions. [2021-11-23 01:33:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:25,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:25,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:25,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:25,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 193 states and 886 transitions. [2021-11-23 01:33:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 886 transitions. [2021-11-23 01:33:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:28,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:28,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:28,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 193 states and 885 transitions. [2021-11-23 01:33:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 885 transitions. [2021-11-23 01:33:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:31,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:31,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:31,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:31,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 193 states and 884 transitions. [2021-11-23 01:33:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 884 transitions. [2021-11-23 01:33:33,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:33,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:33,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:33,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:33,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 193 states and 883 transitions. [2021-11-23 01:33:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 883 transitions. [2021-11-23 01:33:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:33:36,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:36,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:36,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:33:36,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:33:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 193 states and 882 transitions. [2021-11-23 01:33:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 882 transitions. [2021-11-23 01:33:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:33:39,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:39,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:39,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:33:39,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 40 proven. 120 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:33:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 194 states and 910 transitions. [2021-11-23 01:33:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 910 transitions. [2021-11-23 01:33:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:33:43,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:43,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:43,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:43,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2021-11-23 01:33:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 195 states and 917 transitions. [2021-11-23 01:33:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 917 transitions. [2021-11-23 01:33:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:33:44,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:44,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:33:44,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:33:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 199 states and 945 transitions. [2021-11-23 01:33:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 945 transitions. [2021-11-23 01:33:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:33:50,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:50,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:33:50,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:33:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 201 states and 946 transitions. [2021-11-23 01:33:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 946 transitions. [2021-11-23 01:33:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:33:53,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:53,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:33:53,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:33:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 203 states and 947 transitions. [2021-11-23 01:33:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 947 transitions. [2021-11-23 01:33:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:33:55,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:55,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:55,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:33:55,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 213 states and 1080 transitions. [2021-11-23 01:34:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1080 transitions. [2021-11-23 01:34:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:04,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:04,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:04,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:04,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:34:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 216 states and 1084 transitions. [2021-11-23 01:34:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1084 transitions. [2021-11-23 01:34:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:08,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 216 states and 1083 transitions. [2021-11-23 01:34:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1083 transitions. [2021-11-23 01:34:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:09,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:09,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:09,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:09,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:34:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 219 states and 1087 transitions. [2021-11-23 01:34:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1087 transitions. [2021-11-23 01:34:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:13,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:13,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:13,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:13,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 219 states and 1086 transitions. [2021-11-23 01:34:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1086 transitions. [2021-11-23 01:34:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:14,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:14,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:34:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 222 states and 1090 transitions. [2021-11-23 01:34:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1090 transitions. [2021-11-23 01:34:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:18,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:18,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:18,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:18,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:34:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 225 states and 1094 transitions. [2021-11-23 01:34:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1094 transitions. [2021-11-23 01:34:22,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:22,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:22,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:22,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:22,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:34:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 228 states and 1098 transitions. [2021-11-23 01:34:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1098 transitions. [2021-11-23 01:34:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:25,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:25,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:25,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:25,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 228 states and 1097 transitions. [2021-11-23 01:34:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1097 transitions. [2021-11-23 01:34:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:27,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:27,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:27,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:27,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 228 states and 1096 transitions. [2021-11-23 01:34:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1096 transitions. [2021-11-23 01:34:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:28,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:28,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 228 states and 1095 transitions. [2021-11-23 01:34:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1095 transitions. [2021-11-23 01:34:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:34:29,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:29,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:30,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:30,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 228 states and 1094 transitions. [2021-11-23 01:34:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1094 transitions. [2021-11-23 01:34:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:31,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:31,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:31,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 228 states and 1093 transitions. [2021-11-23 01:34:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1093 transitions. [2021-11-23 01:34:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:31,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:31,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:31,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 228 states and 1092 transitions. [2021-11-23 01:34:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1092 transitions. [2021-11-23 01:34:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:32,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:32,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:33,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:33,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 228 states and 1091 transitions. [2021-11-23 01:34:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1091 transitions. [2021-11-23 01:34:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:34,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:34,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:34,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:34,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 228 states and 1090 transitions. [2021-11-23 01:34:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1090 transitions. [2021-11-23 01:34:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:34,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:34,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:34,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:34,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 228 states and 1089 transitions. [2021-11-23 01:34:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1089 transitions. [2021-11-23 01:34:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:34:35,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:35,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:34:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 228 states and 1088 transitions. [2021-11-23 01:34:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1088 transitions. [2021-11-23 01:34:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:34:35,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:34:35,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:34:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 230 states and 1128 transitions. [2021-11-23 01:34:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1128 transitions. [2021-11-23 01:34:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:34:43,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:43,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:43,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:34:43,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:34:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 230 states and 1127 transitions. [2021-11-23 01:34:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1127 transitions. [2021-11-23 01:34:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:34:47,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:34:47,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:34:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 230 states and 1126 transitions. [2021-11-23 01:34:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1126 transitions. [2021-11-23 01:34:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:34:51,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:51,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:51,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:34:51,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:34:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 230 states and 1125 transitions. [2021-11-23 01:34:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1125 transitions. [2021-11-23 01:34:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:34:55,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:55,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:34:55,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:35:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 230 states and 1124 transitions. [2021-11-23 01:35:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1124 transitions. [2021-11-23 01:35:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:35:00,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:35:00,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:35:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 230 states and 1123 transitions. [2021-11-23 01:35:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1123 transitions. [2021-11-23 01:35:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:35:04,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:35:04,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:35:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 230 states and 1122 transitions. [2021-11-23 01:35:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1122 transitions. [2021-11-23 01:35:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:35:08,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:35:08,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:35:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 230 states and 1121 transitions. [2021-11-23 01:35:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1121 transitions. [2021-11-23 01:35:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:35:12,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:35:12,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 46 proven. 161 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:35:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 231 states and 1153 transitions. [2021-11-23 01:35:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1153 transitions. [2021-11-23 01:35:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:35:23,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-23 01:35:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 232 states and 1161 transitions. [2021-11-23 01:35:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1161 transitions. [2021-11-23 01:35:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:26,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:26,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:26,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:26,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:35:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 236 states and 1190 transitions. [2021-11-23 01:35:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1190 transitions. [2021-11-23 01:35:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:35,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:35,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:35,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:35:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 239 states and 1196 transitions. [2021-11-23 01:35:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1196 transitions. [2021-11-23 01:35:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:43,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:43,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:43,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:35:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 242 states and 1200 transitions. [2021-11-23 01:35:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1200 transitions. [2021-11-23 01:35:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:49,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:49,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:35:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 244 states and 1201 transitions. [2021-11-23 01:35:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1201 transitions. [2021-11-23 01:35:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:52,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:52,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:52,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:52,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:35:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 246 states and 1202 transitions. [2021-11-23 01:35:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1202 transitions. [2021-11-23 01:35:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:35:56,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:35:56,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 256 states and 1350 transitions. [2021-11-23 01:36:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1350 transitions. [2021-11-23 01:36:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:11,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:36:12,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:36:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 259 states and 1354 transitions. [2021-11-23 01:36:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1354 transitions. [2021-11-23 01:36:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:17,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:17,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:17,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:36:17,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:36:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 262 states and 1358 transitions. [2021-11-23 01:36:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1358 transitions. [2021-11-23 01:36:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:24,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:24,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:25,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:25,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 262 states and 1357 transitions. [2021-11-23 01:36:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1357 transitions. [2021-11-23 01:36:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:26,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:36:26,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:36:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 265 states and 1361 transitions. [2021-11-23 01:36:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 1361 transitions. [2021-11-23 01:36:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:32,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:32,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:32,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:32,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 265 states and 1360 transitions. [2021-11-23 01:36:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 1360 transitions. [2021-11-23 01:36:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:34,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:34,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:34,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:36:34,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:36:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 268 states and 1364 transitions. [2021-11-23 01:36:40,650 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1364 transitions. [2021-11-23 01:36:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:40,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:40,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:40,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:40,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 268 states and 1363 transitions. [2021-11-23 01:36:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1363 transitions. [2021-11-23 01:36:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:42,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:42,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 268 states and 1362 transitions. [2021-11-23 01:36:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1362 transitions. [2021-11-23 01:36:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:44,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:44,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:44,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 268 states and 1361 transitions. [2021-11-23 01:36:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1361 transitions. [2021-11-23 01:36:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:45,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:45,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:45,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:45,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 268 states and 1360 transitions. [2021-11-23 01:36:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1360 transitions. [2021-11-23 01:36:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:36:47,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:47,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:47,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:36:47,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:36:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 268 states and 1359 transitions. [2021-11-23 01:36:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1359 transitions. [2021-11-23 01:36:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:49,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:49,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:49,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:49,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 268 states and 1358 transitions. [2021-11-23 01:36:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1358 transitions. [2021-11-23 01:36:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:49,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:49,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:50,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 268 states and 1357 transitions. [2021-11-23 01:36:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1357 transitions. [2021-11-23 01:36:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:50,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:50,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 268 states and 1356 transitions. [2021-11-23 01:36:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1356 transitions. [2021-11-23 01:36:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:53,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 268 states and 1355 transitions. [2021-11-23 01:36:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1355 transitions. [2021-11-23 01:36:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:53,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 268 states and 1354 transitions. [2021-11-23 01:36:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1354 transitions. [2021-11-23 01:36:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:56,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:56,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 268 states and 1353 transitions. [2021-11-23 01:36:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1353 transitions. [2021-11-23 01:36:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:36:57,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:57,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:36:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 268 states and 1352 transitions. [2021-11-23 01:36:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1352 transitions. [2021-11-23 01:36:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:36:57,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:36:57,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 270 states and 1397 transitions. [2021-11-23 01:37:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1397 transitions. [2021-11-23 01:37:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:08,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:08,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:08,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 270 states and 1396 transitions. [2021-11-23 01:37:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1396 transitions. [2021-11-23 01:37:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:14,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:14,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:14,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:14,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 270 states and 1395 transitions. [2021-11-23 01:37:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1395 transitions. [2021-11-23 01:37:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:20,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:20,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 270 states and 1394 transitions. [2021-11-23 01:37:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1394 transitions. [2021-11-23 01:37:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:25,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:25,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:25,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:25,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 270 states and 1393 transitions. [2021-11-23 01:37:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1393 transitions. [2021-11-23 01:37:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:32,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:32,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:32,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 270 states and 1392 transitions. [2021-11-23 01:37:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1392 transitions. [2021-11-23 01:37:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:38,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:38,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:38,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:38,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 270 states and 1391 transitions. [2021-11-23 01:37:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1391 transitions. [2021-11-23 01:37:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:44,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:44,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:44,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:44,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 270 states and 1390 transitions. [2021-11-23 01:37:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1390 transitions. [2021-11-23 01:37:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:37:50,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:50,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:37:50,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:37:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 270 states and 1389 transitions. [2021-11-23 01:37:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1389 transitions. [2021-11-23 01:37:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:37:56,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:56,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:56,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:56,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 52 proven. 208 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:38:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 271 states and 1425 transitions. [2021-11-23 01:38:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1425 transitions. [2021-11-23 01:38:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:38:10,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:10,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:38:10,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 149 proven. 7 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2021-11-23 01:38:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 272 states and 1434 transitions. [2021-11-23 01:38:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1434 transitions. [2021-11-23 01:38:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:16,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:16,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:16,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:16,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:38:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 276 states and 1466 transitions. [2021-11-23 01:38:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1466 transitions. [2021-11-23 01:38:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:27,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:27,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:27,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:27,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:38:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 279 states and 1470 transitions. [2021-11-23 01:38:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1470 transitions. [2021-11-23 01:38:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:35,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:35,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:35,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:35,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:38:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 282 states and 1476 transitions. [2021-11-23 01:38:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1476 transitions. [2021-11-23 01:38:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:46,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:46,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:46,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:46,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:38:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 284 states and 1477 transitions. [2021-11-23 01:38:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1477 transitions. [2021-11-23 01:38:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:50,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:50,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:38:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 287 states and 1481 transitions. [2021-11-23 01:38:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1481 transitions. [2021-11-23 01:38:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:38:58,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:58,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:58,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:58,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 289 states and 1482 transitions. [2021-11-23 01:39:03,046 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1482 transitions. [2021-11-23 01:39:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:03,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:03,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:03,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:03,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 292 states and 1486 transitions. [2021-11-23 01:39:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1486 transitions. [2021-11-23 01:39:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:11,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:11,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:11,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 295 states and 1490 transitions. [2021-11-23 01:39:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1490 transitions. [2021-11-23 01:39:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:18,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:18,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:18,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:39:18,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:39:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 305 states and 1653 transitions. [2021-11-23 01:39:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1653 transitions. [2021-11-23 01:39:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:42,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:42,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:42,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:42,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 308 states and 1657 transitions. [2021-11-23 01:39:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1657 transitions. [2021-11-23 01:39:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:50,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:50,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:50,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:39:50,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:39:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 308 states and 1656 transitions. [2021-11-23 01:39:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1656 transitions. [2021-11-23 01:39:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:52,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:52,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:52,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:52,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:53,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:40:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 311 states and 1660 transitions. [2021-11-23 01:40:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1660 transitions. [2021-11-23 01:40:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:02,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:02,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:02,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:02,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 311 states and 1659 transitions. [2021-11-23 01:40:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1659 transitions. [2021-11-23 01:40:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:04,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:04,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:04,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 311 states and 1658 transitions. [2021-11-23 01:40:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1658 transitions. [2021-11-23 01:40:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:06,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:06,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:06,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:06,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 311 states and 1657 transitions. [2021-11-23 01:40:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1657 transitions. [2021-11-23 01:40:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:08,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:08,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:08,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:08,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 311 states and 1656 transitions. [2021-11-23 01:40:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1656 transitions. [2021-11-23 01:40:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:10,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:10,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:10,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:10,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 311 states and 1655 transitions. [2021-11-23 01:40:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1655 transitions. [2021-11-23 01:40:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:12,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:12,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:12,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:12,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 311 states and 1654 transitions. [2021-11-23 01:40:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1654 transitions. [2021-11-23 01:40:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:15,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:15,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:15,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:15,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 311 states and 1653 transitions. [2021-11-23 01:40:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1653 transitions. [2021-11-23 01:40:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:17,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:17,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:17,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 311 states and 1652 transitions. [2021-11-23 01:40:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1652 transitions. [2021-11-23 01:40:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:17,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:17,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:17,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 311 states and 1651 transitions. [2021-11-23 01:40:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1651 transitions. [2021-11-23 01:40:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:18,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:18,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:18,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:18,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 311 states and 1650 transitions. [2021-11-23 01:40:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1650 transitions. [2021-11-23 01:40:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:20,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:20,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:20,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 311 states and 1649 transitions. [2021-11-23 01:40:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1649 transitions. [2021-11-23 01:40:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:20,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:20,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:20,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:20,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 311 states and 1648 transitions. [2021-11-23 01:40:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1648 transitions. [2021-11-23 01:40:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:21,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:21,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:21,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:21,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 311 states and 1647 transitions. [2021-11-23 01:40:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1647 transitions. [2021-11-23 01:40:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:23,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:23,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:23,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:23,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 311 states and 1646 transitions. [2021-11-23 01:40:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1646 transitions. [2021-11-23 01:40:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:23,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:23,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:23,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:23,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 311 states and 1645 transitions. [2021-11-23 01:40:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1645 transitions. [2021-11-23 01:40:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:24,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:24,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:24,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 313 states and 1695 transitions. [2021-11-23 01:40:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1695 transitions. [2021-11-23 01:40:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:37,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:37,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:37,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:37,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 313 states and 1694 transitions. [2021-11-23 01:40:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1694 transitions. [2021-11-23 01:40:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:45,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:45,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:45,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:45,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 313 states and 1693 transitions. [2021-11-23 01:40:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1693 transitions. [2021-11-23 01:40:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:52,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 313 states and 1692 transitions. [2021-11-23 01:41:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1692 transitions. [2021-11-23 01:41:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:00,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:00,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:00,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:00,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 313 states and 1691 transitions. [2021-11-23 01:41:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1691 transitions. [2021-11-23 01:41:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:08,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:08,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:08,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:08,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 313 states and 1690 transitions. [2021-11-23 01:41:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1690 transitions. [2021-11-23 01:41:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:16,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:16,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:16,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:16,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 313 states and 1689 transitions. [2021-11-23 01:41:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1689 transitions. [2021-11-23 01:41:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:25,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:25,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 313 states and 1688 transitions. [2021-11-23 01:41:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1688 transitions. [2021-11-23 01:41:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:34,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:34,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:34,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:34,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 313 states and 1687 transitions. [2021-11-23 01:41:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1687 transitions. [2021-11-23 01:41:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:43,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:43,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:43,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:43,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 313 states and 1686 transitions. [2021-11-23 01:41:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1686 transitions. [2021-11-23 01:41:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:41:51,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:51,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:52,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:41:52,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 58 proven. 261 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:42:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 314 states and 1726 transitions. [2021-11-23 01:42:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1726 transitions. [2021-11-23 01:42:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:42:15,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:15,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:15,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:42:15,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 167 proven. 7 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2021-11-23 01:42:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 315 states and 1736 transitions. [2021-11-23 01:42:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1736 transitions. [2021-11-23 01:42:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:23,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:23,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:23,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:23,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 319 states and 1773 transitions. [2021-11-23 01:42:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1773 transitions. [2021-11-23 01:42:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:41,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:41,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:41,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:41,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 321 states and 1774 transitions. [2021-11-23 01:42:46,539 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1774 transitions. [2021-11-23 01:42:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:46,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:46,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.