./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:52,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:52,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:52,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:52,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:52,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:52,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:52,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:52,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:52,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:52,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:52,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:52,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:52,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:52,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:52,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:52,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:52,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:52,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:52,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:52,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:52,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:52,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:52,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:52,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:52,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:52,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:52,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:52,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:52,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:52,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:52,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:52,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:52,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:52,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:52,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:52,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:52,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:52,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:52,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:52,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:52,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:52,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:52,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:52,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:52,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:52,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:52,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:52,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:52,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:52,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:52,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:52,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:52,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:52,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:52,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:52,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:52,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:52,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:52,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:52,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:52,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:52,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:52,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:52,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:52,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:52,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:52,772 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:52,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:52,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:52,773 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_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 [2021-11-23 15:04:53,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:53,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:53,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:53,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:53,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:53,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2021-11-23 15:04:53,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/data/a29e97e23/0508a1b56aa64f3fa3cc207eb4c0833d/FLAGb1ac2cb6c [2021-11-23 15:04:53,667 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:53,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2021-11-23 15:04:53,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/data/a29e97e23/0508a1b56aa64f3fa3cc207eb4c0833d/FLAGb1ac2cb6c [2021-11-23 15:04:54,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/data/a29e97e23/0508a1b56aa64f3fa3cc207eb4c0833d [2021-11-23 15:04:54,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:54,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:54,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:54,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:54,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:54,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417517f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54, skipping insertion in model container [2021-11-23 15:04:54,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:54,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:54,262 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_7836019a-08f4-476a-9b7f-1966a4e10979/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2021-11-23 15:04:54,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,275 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:54,291 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_7836019a-08f4-476a-9b7f-1966a4e10979/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2021-11-23 15:04:54,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,306 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:54,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54 WrapperNode [2021-11-23 15:04:54,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:54,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:54,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:54,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:54,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,340 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 15:04:54,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:54,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:54,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:54,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:54,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:54,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:54,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:54,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:54,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:54,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:54,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:54,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836019a-08f4-476a-9b7f-1966a4e10979/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:54,501 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:54,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:54,600 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:54,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:04:54,612 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:04:54,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:54 BoogieIcfgContainer [2021-11-23 15:04:54,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:04:54,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:04:54,616 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:04:54,626 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:04:54,627 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:04:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 15:04:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 15:04:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:04:54,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:54,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:54,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 15:04:54,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:54,994 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 15:04:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 15:04:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 15:04:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:04:55,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:55,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:55,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 15:04:55,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:55,415 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 15:04:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 15:04:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 15:04:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:04:55,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:55,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:55,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 15:04:55,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:56,014 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 15:04:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 15:04:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 15:04:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:04:56,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:56,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:56,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 15:04:56,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:56,436 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 15:04:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 15:04:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 15:04:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:04:56,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:56,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 15:04:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:57,189 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 15:04:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 15:04:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 15:04:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:04:57,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:57,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:57,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 15:04:57,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:57,854 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 15:04:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2021-11-23 15:04:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2021-11-23 15:04:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:04:58,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:58,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 15:04:58,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:58,554 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 15:04:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:04:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-23 15:04:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-23 15:04:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:04:59,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:04:59,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:04:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:04:59,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 15:04:59,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:04:59,772 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 15:05:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2021-11-23 15:05:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2021-11-23 15:05:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:00,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:00,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 15:05:00,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:01,076 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 15:05:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 15:05:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 15:05:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:05:02,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:02,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:02,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 15:05:02,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:02,448 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 15:05:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 15:05:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 15:05:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:05:03,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:03,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:03,501 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 15:05:03,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:03,841 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 15:05:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-23 15:05:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-23 15:05:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:05:04,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:04,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:04,968 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 15:05:04,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:05,417 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 15:05:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-23 15:05:06,404 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 15:05:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:06,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:06,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:06,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 15:05:06,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:06,950 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 15:05:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2021-11-23 15:05:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2021-11-23 15:05:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:05:07,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:07,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:08,001 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 15:05:08,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:09,052 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 15:05:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 15:05:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 15:05:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:05:10,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:10,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:11,011 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 15:05:11,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:11,574 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 15:05:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-23 15:05:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-23 15:05:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:05:13,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:13,525 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 15:05:13,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:14,394 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 15:05:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-23 15:05:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-23 15:05:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:16,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:16,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:16,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 15:05:16,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:17,300 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 15:05:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2021-11-23 15:05:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2021-11-23 15:05:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:05:19,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:19,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:19,404 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 15:05:19,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:20,374 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 15:05:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2021-11-23 15:05:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2021-11-23 15:05:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:22,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:22,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:22,396 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 15:05:22,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:23,401 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 15:05:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2021-11-23 15:05:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 15:05:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:05:25,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:25,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:25,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 15:05:25,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:27,030 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 15:05:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 15:05:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 15:05:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:05:29,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:29,411 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 15:05:29,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:30,679 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 15:05:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2021-11-23 15:05:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-11-23 15:05:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:05:33,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:33,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 15:05:33,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:34,877 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 15:05:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-23 15:05:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-23 15:05:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:05:37,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:37,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:37,966 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 15:05:37,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:39,867 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 15:05:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 15:05:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 15:05:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:05:43,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:43,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:44,009 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 15:05:44,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:45,723 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 15:05:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-23 15:05:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 15:05:49,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:05:49,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:49,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:49,842 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 15:05:49,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:51,585 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 15:05:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2021-11-23 15:05:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2021-11-23 15:05:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:05:55,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:55,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:55,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 15:05:55,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:05:58,088 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 15:06:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2021-11-23 15:06:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2021-11-23 15:06:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:06:02,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:02,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:02,260 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 15:06:02,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:04,301 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 15:06:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2021-11-23 15:06:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2021-11-23 15:06:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:06:08,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:08,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:08,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 15:06:08,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:10,570 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 15:06:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2021-11-23 15:06:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2021-11-23 15:06:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:06:15,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:15,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:15,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 15:06:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:17,934 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 15:06:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:23,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2021-11-23 15:06:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2021-11-23 15:06:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:06:23,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:23,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:23,212 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 15:06:23,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:25,765 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 15:06:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 15:06:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 15:06:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:06:30,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:30,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:30,875 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 15:06:30,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:34,661 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 15:06:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2021-11-23 15:06:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 15:06:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:06:39,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:39,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:39,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 15:06:39,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:43,859 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 15:06:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2021-11-23 15:06:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2021-11-23 15:06:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:06:49,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:49,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:49,352 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 15:06:49,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:06:52,567 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 15:06:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2021-11-23 15:06:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2021-11-23 15:06:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:06:58,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:58,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:58,664 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 15:06:58,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:07:02,678 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 15:07:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2021-11-23 15:07:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2021-11-23 15:07:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:07:09,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:09,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:09,333 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 15:07:09,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:07:13,506 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 15:07:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 15:07:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 15:07:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:07:20,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:20,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:20,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 15:07:20,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:07:26,316 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 15:07:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2021-11-23 15:07:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2021-11-23 15:07:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:07:34,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:34,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:34,945 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 15:07:34,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:07:39,914 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 15:07:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:07:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 15:07:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 15:07:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:07:48,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:07:48,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:07:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:07:49,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 15:07:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:07:53,212 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 15:08:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2021-11-23 15:08:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2021-11-23 15:08:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:08:01,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:01,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:01,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 15:08:01,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:08:06,620 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 15:08:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2021-11-23 15:08:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2021-11-23 15:08:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:08:15,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:15,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:15,185 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 15:08:15,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:08:22,680 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 15:08:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2021-11-23 15:08:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-11-23 15:08:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:08:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:31,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:31,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 15:08:31,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:08:40,531 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 15:08:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:08:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 169 transitions. [2021-11-23 15:08:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-23 15:08:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:08:49,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:08:49,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:08:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:08:49,873 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 15:08:49,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:08:58,695 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 15:09:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2021-11-23 15:09:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2021-11-23 15:09:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:09:09,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:09,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:09,413 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 15:09:09,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:09:19,519 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 15:09:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2021-11-23 15:09:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2021-11-23 15:09:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:09:29,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:29,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:29,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 15:09:29,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:09:41,806 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 15:09:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:09:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2021-11-23 15:09:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2021-11-23 15:09:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:09:54,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:09:54,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:09:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:09:54,661 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 15:09:54,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:10:03,791 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 15:10:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 96 states and 185 transitions. [2021-11-23 15:10:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-23 15:10:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:10:15,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:15,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:15,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 15:10:15,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:10:28,341 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 15:10:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:10:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 189 transitions. [2021-11-23 15:10:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2021-11-23 15:10:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:10:39,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:10:39,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:10:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:10:39,988 WARN L261 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 15:10:39,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:10:48,503 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 15:11:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2021-11-23 15:11:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2021-11-23 15:11:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:11:02,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:02,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:02,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 15:11:02,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:11:15,068 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 15:11:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2021-11-23 15:11:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2021-11-23 15:11:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:11:28,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:28,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:28,175 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 15:11:28,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:11:41,230 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 15:11:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:11:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-23 15:11:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 15:11:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:11:56,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:11:56,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:11:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:11:57,038 WARN L261 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 15:11:57,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:12:11,363 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 15:12:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 15:12:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 15:12:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:12:27,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:27,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:27,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 15:12:27,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:12:41,595 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 15:12:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:12:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-23 15:12:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-23 15:12:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 15:12:57,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:12:57,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:12:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:12:57,850 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 15:12:57,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:13:17,312 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 15:13:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:13:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 110 states and 213 transitions. [2021-11-23 15:13:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 213 transitions. [2021-11-23 15:13:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:13:41,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:13:41,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:13:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:13:41,147 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 15:13:41,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:13:55,733 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 15:14:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 112 states and 217 transitions. [2021-11-23 15:14:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 217 transitions. [2021-11-23 15:14:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 15:14:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:12,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:13,098 WARN L261 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 15:14:13,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:14:34,932 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 15:14:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:14:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 221 transitions. [2021-11-23 15:14:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2021-11-23 15:14:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 15:14:52,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:14:52,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:14:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:14:52,479 WARN L261 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 15:14:52,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:15:10,288 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 15:15:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:15:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 116 states and 225 transitions. [2021-11-23 15:15:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2021-11-23 15:15:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 15:15:28,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:15:28,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:15:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:15:29,080 WARN L261 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 15:15:29,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:15:56,021 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 15:16:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:16:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2021-11-23 15:16:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2021-11-23 15:16:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 15:16:15,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:16:15,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:16:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:16:15,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 15:16:15,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:16:39,642 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 15:16:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:16:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2021-11-23 15:16:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2021-11-23 15:16:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 15:16:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:16:56,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:16:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:16:56,982 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 15:16:56,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:17:22,915 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 15:17:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:17:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 122 states and 237 transitions. [2021-11-23 15:17:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2021-11-23 15:17:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 15:17:44,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:17:44,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:17:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:17:44,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 15:17:44,989 INFO L286 TraceCheckSpWp]: Computing forward predicates...