./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i --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_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/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_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/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_936aa1a4-9431-47df-ac58-5eb09aa0e815/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 ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:24:42,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:24:42,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:24:42,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:24:42,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:24:42,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:24:42,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:24:42,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:24:42,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:24:42,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:24:42,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:24:42,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:24:42,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:24:42,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:24:42,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:24:42,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:24:42,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:24:42,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:24:42,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:24:42,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:24:42,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:24:42,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:24:42,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:24:42,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:24:42,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:24:42,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:24:42,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:24:42,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:24:42,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:24:42,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:24:42,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:24:42,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:24:42,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:24:42,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:24:42,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:24:42,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:24:42,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:24:42,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:24:42,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:24:42,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:24:42,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:24:42,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:24:42,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:24:42,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:24:42,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:24:42,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:24:42,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:24:42,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:24:42,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:24:42,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:24:42,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:24:42,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:24:42,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:24:42,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:24:42,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:24:42,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:24:42,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:24:42,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:24:42,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:24:42,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:24:42,974 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:24:42,974 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:24:42,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:24:42,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:42,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:24:42,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:24:42,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:24:42,976 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:24:42,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:24:42,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:24:42,977 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_936aa1a4-9431-47df-ac58-5eb09aa0e815/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 [2021-11-23 01:24:43,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:24:43,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:24:43,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:24:43,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:24:43,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:24:43,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-new/gauss_sum.i [2021-11-23 01:24:43,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/data/0b3165d00/bdcce98160a14c3caeef6fccadb48564/FLAG2432685e0 [2021-11-23 01:24:44,034 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:24:44,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/sv-benchmarks/c/loop-new/gauss_sum.i [2021-11-23 01:24:44,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/data/0b3165d00/bdcce98160a14c3caeef6fccadb48564/FLAG2432685e0 [2021-11-23 01:24:44,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/data/0b3165d00/bdcce98160a14c3caeef6fccadb48564 [2021-11-23 01:24:44,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:24:44,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:24:44,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:44,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:24:44,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:24:44,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe563e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44, skipping insertion in model container [2021-11-23 01:24:44,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:24:44,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:24:44,693 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_936aa1a4-9431-47df-ac58-5eb09aa0e815/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2021-11-23 01:24:44,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:44,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:24:44,747 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_936aa1a4-9431-47df-ac58-5eb09aa0e815/sv-benchmarks/c/loop-new/gauss_sum.i[891,904] [2021-11-23 01:24:44,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:44,775 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:24:44,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44 WrapperNode [2021-11-23 01:24:44,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:44,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:44,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:24:44,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:24:44,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,825 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 01:24:44,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:44,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:24:44,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:24:44,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:24:44,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:24:44,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:24:44,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:24:44,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:24:44,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:44" (1/1) ... [2021-11-23 01:24:44,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:24:44,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:24:44,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_936aa1a4-9431-47df-ac58-5eb09aa0e815/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:24:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:24:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:24:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:24:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:24:45,046 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:24:45,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:24:45,220 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:24:45,243 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:24:45,249 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:24:45,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:45 BoogieIcfgContainer [2021-11-23 01:24:45,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:24:45,253 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:24:45,253 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:24:45,265 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:24:45,265 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:45" (1/1) ... [2021-11-23 01:24:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:24:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:24:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:24:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:45,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:45,648 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 01:24:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-23 01:24:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-23 01:24:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:24:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,099 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 01:24:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-23 01:24:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-23 01:24:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:24:46,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:24:46,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,619 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 01:24:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-23 01:24:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-23 01:24:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:24:46,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:24:46,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:47,133 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 01:24:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:24:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:24:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:24:47,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:47,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:24:47,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:47,762 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 01:24:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:24:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:24:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:48,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:48,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:24:48,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:48,459 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 01:24:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 01:24:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 01:24:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:24:48,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:24:49,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:49,209 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 01:24:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 01:24:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 01:24:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:24:49,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:49,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:24:49,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:50,146 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 01:24:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2021-11-23 01:24:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2021-11-23 01:24:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:24:50,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,862 WARN L261 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:24:50,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:51,148 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 01:24:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-11-23 01:24:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-11-23 01:24:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:24:51,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,885 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:24:51,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:52,746 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 01:24:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2021-11-23 01:24:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2021-11-23 01:24:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:24:54,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,403 WARN L261 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:24:54,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:54,862 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 01:24:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2021-11-23 01:24:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2021-11-23 01:24:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:24:56,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:24:56,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:56,586 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 01:24:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-11-23 01:24:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-11-23 01:24:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:24:57,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,738 WARN L261 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:24:57,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:58,312 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 01:24:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-23 01:24:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-23 01:24:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:24:59,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:59,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:24:59,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:00,145 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 01:25:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2021-11-23 01:25:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2021-11-23 01:25:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:25:01,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,468 WARN L261 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 01:25:01,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:02,214 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 01:25:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2021-11-23 01:25:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2021-11-23 01:25:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:25:03,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 01:25:03,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:04,416 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 01:25:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2021-11-23 01:25:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2021-11-23 01:25:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:25:05,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:05,910 WARN L261 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 01:25:05,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:06,718 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 01:25:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2021-11-23 01:25:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2021-11-23 01:25:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:25:08,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:08,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 01:25:08,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:09,332 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 01:25:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2021-11-23 01:25:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2021-11-23 01:25:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:25:11,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,322 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:12,271 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 01:25:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2021-11-23 01:25:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2021-11-23 01:25:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:25:14,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:14,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:15,450 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 01:25:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2021-11-23 01:25:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2021-11-23 01:25:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:25:17,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:17,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:17,626 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 01:25:17,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:18,953 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 01:25:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2021-11-23 01:25:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-23 01:25:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:25:21,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:21,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:21,512 WARN L261 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 01:25:21,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:23,094 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 01:25:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 92 transitions. [2021-11-23 01:25:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2021-11-23 01:25:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:25:25,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:27,194 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 01:25:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2021-11-23 01:25:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-11-23 01:25:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:25:30,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:30,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,186 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 01:25:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2021-11-23 01:25:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-11-23 01:25:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:25:35,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,301 WARN L261 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 01:25:35,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:37,050 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 01:25:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2021-11-23 01:25:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2021-11-23 01:25:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:25:40,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,511 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 01:25:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2021-11-23 01:25:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2021-11-23 01:25:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:25:47,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,383 WARN L261 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,268 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 01:25:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 112 transitions. [2021-11-23 01:25:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-23 01:25:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:25:53,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:53,619 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 01:25:53,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:56,111 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 01:26:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2021-11-23 01:26:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2021-11-23 01:26:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:26:00,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,443 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,121 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 01:26:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 64 states and 120 transitions. [2021-11-23 01:26:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-23 01:26:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:26:07,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,920 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,836 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 01:26:17,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2021-11-23 01:26:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2021-11-23 01:26:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:26:17,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,631 WARN L261 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,263 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 01:26:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 68 states and 128 transitions. [2021-11-23 01:26:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 128 transitions. [2021-11-23 01:26:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:26:27,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,597 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 01:26:27,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,927 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 01:26:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 70 states and 132 transitions. [2021-11-23 01:26:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-23 01:26:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:26:38,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 01:26:38,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,107 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 01:26:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 136 transitions. [2021-11-23 01:26:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2021-11-23 01:26:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:26:49,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,417 WARN L261 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,848 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 01:26:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 74 states and 140 transitions. [2021-11-23 01:26:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 140 transitions. [2021-11-23 01:26:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:26:58,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:58,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:58,624 WARN L261 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 01:26:58,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:05,062 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 01:27:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-11-23 01:27:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-11-23 01:27:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:27:11,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:11,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,100 WARN L261 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 01:27:11,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,023 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 01:27:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 78 states and 148 transitions. [2021-11-23 01:27:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 148 transitions. [2021-11-23 01:27:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:23,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:31,383 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 01:27:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 80 states and 152 transitions. [2021-11-23 01:27:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2021-11-23 01:27:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:27:38,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:46,275 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 01:27:53,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 82 states and 156 transitions. [2021-11-23 01:27:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2021-11-23 01:27:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:27:53,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 01:27:53,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:02,706 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 01:28:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 160 transitions. [2021-11-23 01:28:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2021-11-23 01:28:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:28:12,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,657 WARN L261 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 01:28:12,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:21,342 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 01:28:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2021-11-23 01:28:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2021-11-23 01:28:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:28:29,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,895 WARN L261 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 01:28:29,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:38,890 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 01:28:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 88 states and 168 transitions. [2021-11-23 01:28:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2021-11-23 01:28:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:28:48,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:48,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:48,212 WARN L261 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 01:28:48,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:00,266 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 01:29:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 172 transitions. [2021-11-23 01:29:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2021-11-23 01:29:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:11,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:11,515 WARN L261 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 01:29:11,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:24,485 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 01:29:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 92 states and 176 transitions. [2021-11-23 01:29:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 176 transitions. [2021-11-23 01:29:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:29:34,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:34,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 01:29:34,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:46,389 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 01:29:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 180 transitions. [2021-11-23 01:29:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 180 transitions. [2021-11-23 01:29:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:29:56,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:56,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 01:29:56,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,145 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 01:30:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 96 states and 184 transitions. [2021-11-23 01:30:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 184 transitions. [2021-11-23 01:30:21,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:30:21,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,841 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 01:30:21,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:36,214 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 01:30:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 98 states and 188 transitions. [2021-11-23 01:30:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2021-11-23 01:30:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:30:48,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:48,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 01:30:48,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:06,007 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 01:31:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 100 states and 192 transitions. [2021-11-23 01:31:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2021-11-23 01:31:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:31:18,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:18,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 01:31:18,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:40,411 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 01:31:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 196 transitions. [2021-11-23 01:31:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2021-11-23 01:31:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:52,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:52,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:52,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 01:31:52,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,204 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 01:32:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 104 states and 200 transitions. [2021-11-23 01:32:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2021-11-23 01:32:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:32:29,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:29,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:29,329 WARN L261 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 01:32:29,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,692 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 01:33:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 106 states and 204 transitions. [2021-11-23 01:33:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 204 transitions. [2021-11-23 01:33:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:33:00,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:00,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:00,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 01:33:00,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:17,422 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 01:33:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 208 transitions. [2021-11-23 01:33:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 208 transitions. [2021-11-23 01:33:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:33:32,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:32,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 01:33:32,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:04,122 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 01:34:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 110 states and 212 transitions. [2021-11-23 01:34:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 212 transitions. [2021-11-23 01:34:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:34:27,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:27,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,011 WARN L261 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 01:34:28,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:58,446 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 01:35:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2021-11-23 01:35:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2021-11-23 01:35:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:35:21,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:21,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 01:35:22,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:57,881 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 01:36:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 114 states and 220 transitions. [2021-11-23 01:36:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 220 transitions. [2021-11-23 01:36:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:36:22,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:22,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 01:36:22,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:03,390 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 01:37:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 116 states and 224 transitions. [2021-11-23 01:37:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 224 transitions. [2021-11-23 01:37:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:37:23,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:23,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:23,541 WARN L261 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 01:37:23,543 INFO L286 TraceCheckSpWp]: Computing forward predicates...