./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+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_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/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_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/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_6b28cba0-3853-4077-81a9-f91913c029e4/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 de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:49,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:49,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:49,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:49,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:49,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:49,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:49,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:49,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:49,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:49,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:49,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:49,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:49,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:49,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:49,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:49,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:49,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:49,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:49,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:49,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:49,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:49,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:49,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:49,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:49,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:49,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:49,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:49,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:49,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:49,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:49,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:49,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:49,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:49,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:49,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:49,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:49,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:49,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:49,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:49,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:23:49,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:49,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:49,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:49,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:49,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:49,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:49,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:49,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:49,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:49,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:49,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:49,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:49,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:49,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:49,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:49,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:49,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:49,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:49,828 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:49,828 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:49,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:49,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:49,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:49,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:49,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:49,830 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:49,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:49,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:49,830 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_6b28cba0-3853-4077-81a9-f91913c029e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 [2021-11-23 00:23:50,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:50,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:50,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:50,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:50,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:50,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2021-11-23 00:23:50,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/data/6c4191a43/cad60f0f192343f8af377588f98615d4/FLAGdefefe4d6 [2021-11-23 00:23:50,651 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:50,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2021-11-23 00:23:50,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/data/6c4191a43/cad60f0f192343f8af377588f98615d4/FLAGdefefe4d6 [2021-11-23 00:23:51,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/data/6c4191a43/cad60f0f192343f8af377588f98615d4 [2021-11-23 00:23:51,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:51,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:51,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:51,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:51,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:51,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e175409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51, skipping insertion in model container [2021-11-23 00:23:51,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:51,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:51,268 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_6b28cba0-3853-4077-81a9-f91913c029e4/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2021-11-23 00:23:51,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:51,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:51,313 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_6b28cba0-3853-4077-81a9-f91913c029e4/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2021-11-23 00:23:51,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:51,331 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:51,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51 WrapperNode [2021-11-23 00:23:51,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:51,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:51,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:51,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:51,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,370 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 00:23:51,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:51,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:51,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:51,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:51,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:51,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:51,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:51,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:51,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:51,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:51,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:51,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b28cba0-3853-4077-81a9-f91913c029e4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:51,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:51,561 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:51,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:51,649 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:51,660 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:51,661 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:51,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:51 BoogieIcfgContainer [2021-11-23 00:23:51,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:51,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:51,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:51,672 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:51,673 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:51,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 00:23:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 00:23:51,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:51,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:51,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:51,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:23:51,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:51,927 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 00:23:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 00:23:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 00:23:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:51,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:51,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:23:52,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:52,327 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 00:23:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:23:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:23:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:23:52,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:23:52,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:52,864 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 00:23:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:23:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:23:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:53,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:53,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:23:53,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:53,259 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 00:23:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 00:23:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 00:23:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:53,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:53,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:23:53,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:53,882 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 00:23:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 00:23:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 00:23:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:54,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:54,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:54,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:23:54,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:54,798 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 00:23:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2021-11-23 00:23:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2021-11-23 00:23:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:55,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:55,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:23:55,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:55,741 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 00:23:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-23 00:23:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-23 00:23:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:56,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:56,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:56,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:23:56,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:56,769 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 00:23:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2021-11-23 00:23:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2021-11-23 00:23:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:57,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:57,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:57,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:23:57,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:57,673 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 00:23:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 00:23:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 00:23:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:23:58,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:58,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:58,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:23:58,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:58,862 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 00:23:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 00:23:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 00:23:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:23:59,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:59,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:59,824 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:23:59,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:00,193 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 00:24:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-23 00:24:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-23 00:24:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:24:01,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:24:01,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:01,694 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 00:24:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-23 00:24:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 00:24:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:02,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 00:24:02,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:03,198 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 00:24:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2021-11-23 00:24:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2021-11-23 00:24:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:24:04,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:04,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 00:24:04,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:04,706 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 00:24:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 00:24:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 00:24:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:05,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:05,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:05,820 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 00:24:05,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:06,319 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 00:24:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-23 00:24:07,533 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-23 00:24:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:24:07,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:07,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:07,572 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 00:24:07,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:08,139 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 00:24:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-23 00:24:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-23 00:24:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:09,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,420 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 00:24:09,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:10,012 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 00:24:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2021-11-23 00:24:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2021-11-23 00:24:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:11,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:11,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:11,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 00:24:11,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:11,978 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 00:24:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2021-11-23 00:24:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2021-11-23 00:24:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:24:13,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:13,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:13,409 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 00:24:13,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:14,143 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 00:24:15,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2021-11-23 00:24:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 00:24:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:24:15,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:15,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:15,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 00:24:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:16,579 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 00:24:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 00:24:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 00:24:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:24:18,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:18,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:18,315 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 00:24:18,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:19,041 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 00:24:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2021-11-23 00:24:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-11-23 00:24:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:24:20,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:20,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:20,848 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 00:24:20,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:21,733 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 00:24:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-23 00:24:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-23 00:24:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:24:23,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:23,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:23,713 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 00:24:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:24,799 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 00:24:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 00:24:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 00:24:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:24:27,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,410 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 00:24:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:28,451 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 00:24:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-23 00:24:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 00:24:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:24:31,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:31,134 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 00:24:31,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:32,124 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 00:24:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2021-11-23 00:24:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2021-11-23 00:24:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:24:34,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:34,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:34,567 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 00:24:34,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:36,269 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 00:24:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2021-11-23 00:24:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2021-11-23 00:24:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:24:38,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:38,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:38,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 00:24:39,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:40,514 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 00:24:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2021-11-23 00:24:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2021-11-23 00:24:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:24:43,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,132 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 00:24:43,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:44,648 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 00:24:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:47,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2021-11-23 00:24:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2021-11-23 00:24:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:24:47,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:47,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:47,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 00:24:47,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:48,921 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 00:24:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2021-11-23 00:24:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2021-11-23 00:24:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:24:52,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:52,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:52,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 00:24:52,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:53,781 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 00:24:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 00:24:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 00:24:56,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:24:56,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:56,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:56,919 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 00:24:56,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:58,779 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 00:25:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2021-11-23 00:25:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 00:25:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:25:02,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 00:25:02,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:03,852 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 00:25:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2021-11-23 00:25:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2021-11-23 00:25:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:25:07,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:07,111 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 00:25:07,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:08,761 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 00:25:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2021-11-23 00:25:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2021-11-23 00:25:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:25:12,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,188 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 00:25:12,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:14,216 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 00:25:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2021-11-23 00:25:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2021-11-23 00:25:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:25:17,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,880 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 00:25:17,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:19,864 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 00:25:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 00:25:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 00:25:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:25:23,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,126 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 00:25:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2021-11-23 00:25:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2021-11-23 00:25:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:25:30,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:32,230 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 00:25:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 00:25:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 00:25:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:25:36,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:36,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:36,694 WARN L261 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 00:25:36,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:38,535 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 00:25:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2021-11-23 00:25:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2021-11-23 00:25:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:25:42,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:42,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:42,988 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 00:25:42,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:45,184 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 00:25:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2021-11-23 00:25:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2021-11-23 00:25:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:25:49,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:49,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:49,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 00:25:49,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:53,229 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 00:25:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2021-11-23 00:25:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-11-23 00:25:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:25:58,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:58,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:58,065 WARN L261 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 00:25:58,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:01,664 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 00:26:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 169 transitions. [2021-11-23 00:26:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-23 00:26:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:26:06,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,561 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 00:26:06,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:10,173 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 00:26:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2021-11-23 00:26:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2021-11-23 00:26:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:26:15,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 00:26:15,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:19,274 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 00:26:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2021-11-23 00:26:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2021-11-23 00:26:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:26:25,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:25,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:25,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 00:26:25,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:30,093 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 00:26:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2021-11-23 00:26:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2021-11-23 00:26:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:26:36,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 00:26:36,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:39,999 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 00:26:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 96 states and 185 transitions. [2021-11-23 00:26:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-23 00:26:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:26:45,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:45,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:45,752 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 00:26:45,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:50,591 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 00:26:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 189 transitions. [2021-11-23 00:26:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2021-11-23 00:26:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:26:56,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:56,667 WARN L261 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 00:26:56,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:00,494 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 00:27:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2021-11-23 00:27:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2021-11-23 00:27:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:27:06,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:06,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:07,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 00:27:07,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:11,916 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 00:27:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2021-11-23 00:27:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2021-11-23 00:27:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:27:18,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:18,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:18,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 00:27:18,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:23,103 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 00:27:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-23 00:27:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 00:27:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:27:30,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:30,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:30,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 00:27:30,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:35,774 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 00:27:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 00:27:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 00:27:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:27:43,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:43,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:43,528 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 00:27:43,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:48,935 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 00:27:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-23 00:27:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-23 00:27:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:27:56,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:56,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:57,071 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 00:27:57,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:04,033 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 00:28:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 110 states and 213 transitions. [2021-11-23 00:28:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 213 transitions. [2021-11-23 00:28:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:28:13,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:13,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:13,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 00:28:13,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:19,013 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 00:28:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 112 states and 217 transitions. [2021-11-23 00:28:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 217 transitions. [2021-11-23 00:28:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:28:27,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:27,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:27,608 WARN L261 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 00:28:27,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:35,168 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 00:28:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 221 transitions. [2021-11-23 00:28:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2021-11-23 00:28:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:28:43,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 00:28:43,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:50,820 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 00:29:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 116 states and 225 transitions. [2021-11-23 00:29:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2021-11-23 00:29:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:29:01,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,731 WARN L261 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 00:29:01,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:15,368 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 00:29:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2021-11-23 00:29:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2021-11-23 00:29:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:29:26,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,745 WARN L261 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 00:29:26,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:37,810 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 00:29:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2021-11-23 00:29:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2021-11-23 00:29:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:29:48,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:48,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:48,936 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 00:29:48,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:00,801 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 00:30:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 122 states and 237 transitions. [2021-11-23 00:30:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2021-11-23 00:30:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:30:13,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:13,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:13,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 00:30:13,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:26,958 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 00:30:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 241 transitions. [2021-11-23 00:30:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2021-11-23 00:30:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:30:41,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:41,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:41,819 WARN L261 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 00:30:41,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 126 states and 245 transitions. [2021-11-23 00:31:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2021-11-23 00:31:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:31:05,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:05,129 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-23 00:31:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2021-11-23 00:31:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2021-11-23 00:31:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:31:30,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,406 WARN L261 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-23 00:31:30,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2021-11-23 00:31:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2021-11-23 00:31:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:31:57,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:57,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,710 WARN L261 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-23 00:31:57,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2021-11-23 00:32:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2021-11-23 00:32:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:32:24,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:24,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:24,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-23 00:32:24,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 134 states and 261 transitions. [2021-11-23 00:32:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 261 transitions. [2021-11-23 00:32:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:32:51,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:51,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:52,147 WARN L261 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-23 00:32:52,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 136 states and 265 transitions. [2021-11-23 00:33:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2021-11-23 00:33:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:33:20,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:20,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:20,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-23 00:33:20,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 138 states and 269 transitions. [2021-11-23 00:33:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2021-11-23 00:33:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:33:51,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:51,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:51,667 WARN L261 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-23 00:33:51,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.