./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.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_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/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_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/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_f9aa00e2-1c53-453e-962e-8dace4754304/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 cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:24:41,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:24:41,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:24:41,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:24:41,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:24:41,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:24:41,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:24:41,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:24:41,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:24:41,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:24:41,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:24:41,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:24:41,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:24:41,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:24:41,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:24:41,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:24:41,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:24:41,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:24:41,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:24:41,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:24:41,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:24:41,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:24:41,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:24:41,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:24:41,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:24:41,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:24:41,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:24:41,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:24:41,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:24:41,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:24:41,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:24:41,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:24:41,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:24:41,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:24:41,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:24:41,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:24:41,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:24:41,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:24:41,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:24:41,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:24:41,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:24:41,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:24:41,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:24:41,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:24:41,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:24:41,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:24:41,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:24:41,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:24:41,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:24:41,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:24:41,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:24:41,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:24:41,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:24:41,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:24:41,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:24:41,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:24:41,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:24:41,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:24:41,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:24:41,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:24:41,981 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:24:41,982 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:24:41,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:24:41,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:41,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:24:41,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:24:41,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:24:41,983 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:24:41,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:24:41,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:24:41,984 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_f9aa00e2-1c53-453e-962e-8dace4754304/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 [2021-11-23 00:24:42,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:24:42,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:24:42,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:24:42,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:24:42,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:24:42,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2021-11-23 00:24:42,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/data/021e91fe0/14bd73c8278f4b17b4479d6d38d82788/FLAG5ec6f8ba3 [2021-11-23 00:24:42,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:24:42,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2021-11-23 00:24:42,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/data/021e91fe0/14bd73c8278f4b17b4479d6d38d82788/FLAG5ec6f8ba3 [2021-11-23 00:24:43,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/data/021e91fe0/14bd73c8278f4b17b4479d6d38d82788 [2021-11-23 00:24:43,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:24:43,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:24:43,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:43,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:24:43,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:24:43,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b32da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43, skipping insertion in model container [2021-11-23 00:24:43,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:24:43,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:43,483 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_f9aa00e2-1c53-453e-962e-8dace4754304/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2021-11-23 00:24:43,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:43,497 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:24:43,517 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_f9aa00e2-1c53-453e-962e-8dace4754304/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2021-11-23 00:24:43,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:43,530 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:24:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43 WrapperNode [2021-11-23 00:24:43,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:43,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:43,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:24:43,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:24:43,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,563 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 00:24:43,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:43,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:24:43,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:24:43,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:24:43,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:24:43,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:24:43,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:24:43,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:24:43,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:24:43,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:24:43,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9aa00e2-1c53-453e-962e-8dace4754304/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:24:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:24:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:24:43,737 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:24:43,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:24:43,864 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:24:43,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:24:43,878 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:24:43,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:43 BoogieIcfgContainer [2021-11-23 00:24:43,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:24:43,882 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:24:43,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:24:43,895 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:24:43,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:43" (1/1) ... [2021-11-23 00:24:43,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:24:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 00:24:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 00:24:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:24:43,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:44,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:44,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:44,201 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 00:24:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 00:24:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 00:24:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:24:44,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:44,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:44,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:24:44,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:24:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:24:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:24:45,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:45,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:45,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:24:45,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:24:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:24:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:24:45,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:45,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:45,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:24:45,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 00:24:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 00:24:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:24:46,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:46,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:46,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:24:46,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 00:24:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 00:24:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:24:47,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:47,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:47,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:24:47,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2021-11-23 00:24:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2021-11-23 00:24:47,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:24:47,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:47,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:47,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:24:47,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-23 00:24:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-23 00:24:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:24:48,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:48,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:48,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:24:48,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2021-11-23 00:24:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2021-11-23 00:24:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:24:50,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:50,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:50,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:24:50,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 00:24:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 00:24:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:24:51,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:51,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:51,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:24:51,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 00:24:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 00:24:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:24:53,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:53,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:53,333 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:24:53,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-23 00:24:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-23 00:24:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:24:54,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:54,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:54,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:24:54,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-23 00:24:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 00:24:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:56,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:56,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:56,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 00:24:56,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2021-11-23 00:24:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2021-11-23 00:24:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:24:57,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:57,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:57,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 00:24:57,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 00:25:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 00:25:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:25:00,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:00,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:00,896 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 00:25:00,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-23 00:25:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-23 00:25:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:25:03,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:03,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 00:25:03,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-23 00:25:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-23 00:25:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:25:06,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:06,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:06,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 00:25:06,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2021-11-23 00:25:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2021-11-23 00:25:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:25:08,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,971 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 00:25:08,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2021-11-23 00:25:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2021-11-23 00:25:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:25:11,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,892 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 00:25:11,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2021-11-23 00:25:15,203 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 00:25:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:25:15,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 00:25:15,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 00:25:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 00:25:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:25:19,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,063 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 00:25:19,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2021-11-23 00:25:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-11-23 00:25:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:25:23,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,359 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-23 00:25:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-23 00:25:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:25:27,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,040 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 00:25:34,290 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 00:25:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:25:34,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:34,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:34,344 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 00:25:34,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-23 00:25:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 00:25:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:25:40,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:40,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:40,394 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 00:25:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2021-11-23 00:25:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2021-11-23 00:25:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:25:46,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:46,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:46,092 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 00:25:46,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2021-11-23 00:25:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2021-11-23 00:25:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:25:52,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:52,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:52,677 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 00:25:52,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2021-11-23 00:25:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2021-11-23 00:25:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:25:58,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:58,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:58,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 00:25:58,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2021-11-23 00:26:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2021-11-23 00:26:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:26:05,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:05,587 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 00:26:05,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2021-11-23 00:26:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2021-11-23 00:26:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:26:12,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:12,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:12,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 00:26:12,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 00:26:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 00:26:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:26:20,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:20,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:20,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 00:26:20,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2021-11-23 00:26:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 00:26:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:26:28,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:28,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:29,033 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 00:26:29,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2021-11-23 00:26:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2021-11-23 00:26:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:26:37,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:37,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 00:26:37,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2021-11-23 00:26:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2021-11-23 00:26:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:26:46,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:46,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:46,476 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 00:26:46,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2021-11-23 00:26:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2021-11-23 00:26:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:26:56,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:56,578 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 00:26:56,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 00:27:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 00:27:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:27:07,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:07,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:07,506 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 00:27:07,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2021-11-23 00:27:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2021-11-23 00:27:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:27:19,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:19,942 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 00:27:19,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 00:27:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 00:27:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:27:32,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:32,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:32,334 WARN L261 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 00:27:32,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2021-11-23 00:27:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2021-11-23 00:27:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:27:43,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:43,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:43,252 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 00:27:43,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:55,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2021-11-23 00:27:55,721 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2021-11-23 00:27:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:27:55,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:55,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:55,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 00:27:55,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2021-11-23 00:28:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-11-23 00:28:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:28:10,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:10,793 WARN L261 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 00:28:10,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 169 transitions. [2021-11-23 00:28:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-23 00:28:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:28:26,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:26,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:26,266 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 00:28:26,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2021-11-23 00:28:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2021-11-23 00:28:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:28:42,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,873 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 00:28:42,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2021-11-23 00:29:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2021-11-23 00:29:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:29:00,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,945 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 00:29:00,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2021-11-23 00:29:23,294 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2021-11-23 00:29:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:29:23,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:23,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:23,418 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 00:29:23,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 96 states and 185 transitions. [2021-11-23 00:29:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-23 00:29:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:29:42,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:42,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:42,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 00:29:42,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 189 transitions. [2021-11-23 00:30:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2021-11-23 00:30:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:30:05,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:05,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:05,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 00:30:05,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2021-11-23 00:30:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2021-11-23 00:30:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:30:27,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:27,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:27,617 WARN L261 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 00:30:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2021-11-23 00:30:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2021-11-23 00:30:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:30:50,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:50,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:50,789 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 00:30:50,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-23 00:31:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 00:31:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:31:15,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:16,046 WARN L261 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 00:31:16,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 00:31:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 00:31:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:31:42,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:42,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:43,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 00:31:43,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-23 00:32:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-23 00:32:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:32:09,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:09,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:09,478 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 00:32:09,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 110 states and 213 transitions. [2021-11-23 00:32:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 213 transitions. [2021-11-23 00:32:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:32:47,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:47,562 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 00:32:47,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 112 states and 217 transitions. [2021-11-23 00:33:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 217 transitions. [2021-11-23 00:33:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:33:15,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:15,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 00:33:15,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 221 transitions. [2021-11-23 00:33:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2021-11-23 00:33:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:33:52,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:52,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:52,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 00:33:52,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 116 states and 225 transitions. [2021-11-23 00:34:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2021-11-23 00:34:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:34:25,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:25,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:25,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 00:34:25,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2021-11-23 00:35:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2021-11-23 00:35:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:35:08,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:08,868 WARN L261 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 00:35:08,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2021-11-23 00:35:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2021-11-23 00:35:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:35:44,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:44,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,824 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 122 states and 237 transitions. [2021-11-23 00:36:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2021-11-23 00:36:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:36:23,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,055 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 00:36:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 241 transitions. [2021-11-23 00:37:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2021-11-23 00:37:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:37:11,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:11,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,140 WARN L261 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 00:37:11,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.